AI Timeline

What OpenAI and Anthropic shipped and decided, 2024 to today.

Sources: official announcements only Updated

2024

  1. OpenAIProduct

    ChatGPT Team

    A ChatGPT plan for teams of all sizes with a secure, collaborative workspace.

  2. OpenAIProduct

    GPT Store

    A store for finding and using custom GPTs in ChatGPT.

  3. OpenAICapability

    Memory in ChatGPT

    ChatGPT begins testing remembering things across chats, with user controls over what it keeps.

  4. OpenAIModel

    Sora announced

    A text-conditional diffusion model trained jointly on videos and images to generate video.

  5. AnthropicModel

    Claude 3 family

    Haiku, Sonnet and Opus models, in ascending order of capability, set new benchmarks at launch.

  6. AnthropicModel

    Claude 3 Haiku released

    The fastest, cheapest Claude 3 model joins Sonnet and Opus in the API and for Claude Pro users.

  7. OpenAIPolicy

    Model Spec

    OpenAI publishes the Model Spec describing how its models should behave.

  8. OpenAIModel

    GPT-4o

    New flagship model that reasons across audio, vision and text in real time.

  9. AnthropicCapability

    Tool use generally available

    Claude 3 models can call external tools and APIs, now generally available on the Messages API.

  10. OpenAIProduct

    ChatGPT Edu

    An affordable ChatGPT offering for universities to bring AI to campus.

  11. AnthropicModel

    Claude 3.5 Sonnet

    Outperforms Claude 3 Opus on key evaluations at twice the speed.

  12. AnthropicCapability

    Artifacts in Claude

    Claude can show generated code, documents and designs in a dedicated window beside the chat.

  13. AnthropicCapability

    Projects in Claude

    Pro and Team users can group chats with shared internal knowledge into Projects.

  14. AnthropicProduct

    Claude Android app

    Claude, including Claude 3.5 Sonnet, is available as an Android app.

  15. OpenAIModel

    GPT-4o mini

    A smaller, cost-efficient model in the GPT-4o family.

  16. OpenAIProduct

    SearchGPT prototype

    A temporary prototype of AI search giving timely answers with clear sources.

  17. AnthropicProduct

    Claude for Enterprise

    An Enterprise plan for organizations to work securely with Claude using internal knowledge.

  18. OpenAIModel

    OpenAI o1

    The first o1 reasoning model, released in preview.

  19. OpenAIModel

    o1-mini

    A cost-efficient reasoning model alongside o1.

  20. OpenAICapability

    Realtime API

    Developers can build fast speech-to-speech experiences into their applications.

  21. OpenAIPolicy

    New funding round

    OpenAI raises new funding to scale the benefits of AI.

  22. OpenAICapability

    Canvas in ChatGPT

    A new interface for writing and coding with ChatGPT.

  23. AnthropicCapability

    Computer use

    An experimental capability lets Claude 3.5 Sonnet operate a computer through the API.

  24. AnthropicPolicy

    Amazon invests $4B more

    Amazon invests a further $4 billion and AWS becomes the primary cloud and training partner.

  25. AnthropicCapability

    Model Context Protocol (MCP)

    An open standard for connecting AI assistants to the systems where data and tools live.

  26. OpenAIProduct

    ChatGPT Pro

    A higher-tier ChatGPT plan broadening access to frontier AI.

  27. OpenAIProduct

    Sora available

    Sora opens at sora.com, generating videos up to 1080p and 20 seconds long.

  28. OpenAIModel

    o1 for developers

    o1 comes to developers alongside Realtime API improvements and a new fine-tuning method.

2025

  1. OpenAIPolicy

    Stargate Project

    OpenAI and partners announce the Stargate Project to build AI infrastructure.

  2. OpenAIProduct

    Operator

    An agent that uses its own browser to carry out tasks for users.

  3. OpenAIModel

    OpenAI o3-mini

    A new small model in the reasoning line.

  4. OpenAICapability

    Deep research

    An agent that synthesizes online information to complete multi-step research tasks.

  5. AnthropicModel

    Claude 3.7 Sonnet

    First hybrid reasoning model: near-instant answers or visible extended thinking.

  6. AnthropicProduct

    Claude Code

    A command-line agentic coding tool, in limited research preview, delegating work from the terminal.

  7. OpenAIModel

    GPT-4.5

    Research preview of GPT-4.5, OpenAI's largest and most knowledgeable model at release.

  8. OpenAICapability

    4o image generation

    GPT-4o generates images natively, with stronger text rendering and instruction following.

  9. AnthropicProduct

    Claude for Education

    A version of Claude for universities, with a Learning mode that guides students' reasoning.

  10. OpenAIModel

    GPT-4.1

    New API model family with gains in coding, instruction following and long context, plus a first nano model.

  11. AnthropicCapability

    Research in Claude

    Claude runs in-depth research across the web and Google Workspace and answers in minutes.

  12. OpenAIModel

    o3 and o4-mini

    Reasoning models with full tool access in ChatGPT, OpenAI's most capable at release.

  13. OpenAICapability

    gpt-image-1 in the API

    The image generation model behind ChatGPT images becomes available to developers as gpt-image-1.

  14. AnthropicCapability

    Integrations

    Claude connects to apps and tools via Integrations; Research also searches connected services.

  15. OpenAIPolicy

    For-profit becomes a PBC

    OpenAI's for-profit entity transitions to a PBC under continued nonprofit oversight.

  16. AnthropicCapability

    Web search on the API

    Developers can give Claude web search with citations through the API.

  17. OpenAIPolicy

    OpenAI for Countries

    An initiative to support countries that want to build AI infrastructure on democratic AI rails.

  18. OpenAIProduct

    Codex

    A cloud-based coding agent powered by codex-1, a version of o3 optimized for software engineering.

  19. AnthropicPolicy

    ASL-3 protections activated

    ASL-3 security and deployment standards apply with Claude Opus 4, targeting CBRN weapons misuse.

  20. AnthropicModel

    Claude Gov models

    Custom models built for U.S. national security customers in classified environments.

  21. OpenAIProduct

    OpenAI for Government

    An initiative bringing OpenAI's most advanced tools to public servants across the United States.

  22. AnthropicCapability

    AI-powered artifacts

    Artifacts can embed Claude, turning them into shareable interactive apps, with a dedicated space.

  23. AnthropicProduct

    Connectors directory

    A directory of tools that connect to Claude, each tried with one click.

  24. OpenAICapability

    ChatGPT agent

    ChatGPT can think and act with tools to complete tasks like research, bookings and slideshows.

  25. OpenAICapability

    Study mode in ChatGPT

    ChatGPT guides students through problems step by step with questions, scaffolding and feedback.

  26. AnthropicModel

    Claude Opus 4.1

    An upgrade to Opus 4 on agentic tasks, real-world coding and reasoning, at the same price.

  27. OpenAIModel

    GPT-5

    OpenAI's new flagship model, with leading performance across coding, math, writing and health.

  28. AnthropicProduct

    Claude in Chrome pilot

    A pilot of a browser extension in which Claude acts in Chrome, testing prompt injection defenses.

  29. OpenAIModel

    gpt-realtime

    A more advanced speech-to-speech model; the Realtime API adds MCP servers, image input and SIP calls.

  30. AnthropicCapability

    Memory in Claude

    Claude remembers users' and teams' projects and preferences across conversations.

  31. OpenAIProduct

    Codex upgrades

    Codex gets faster and more reliable across terminal, IDE, web and phone.

  32. OpenAIPolicy

    10 GW NVIDIA partnership

    OpenAI and NVIDIA plan 10 gigawatts of NVIDIA-powered datacenters, first phase in 2026.

  33. OpenAIProduct

    ChatGPT Pulse

    Preview for Pro users on mobile: ChatGPT proactively researches and delivers personalized updates.

  34. AnthropicModel

    Claude Sonnet 4.5

    Leads on coding, agent building and computer use, and is the most aligned Claude model to date.

  35. AnthropicProduct

    Claude Agent SDK

    The building blocks behind Claude Code, released for developers to build their own agents.

  36. OpenAICapability

    Instant Checkout in ChatGPT

    People can buy directly inside ChatGPT; OpenAI introduces the Agentic Commerce Protocol.

  37. OpenAICapability

    ChatGPT parental controls

    Parents can guide how ChatGPT works for their teens, with a new parent resource page.

  38. OpenAIModel

    Sora 2

    Video generation model with synchronized dialogue and sound effects.

  39. OpenAICapability

    Apps in ChatGPT and Apps SDK

    Users can chat with apps inside ChatGPT; developers build them with the new Apps SDK in preview.

  40. OpenAIProduct

    AgentKit

    Developer tools for building agents, plus expanded evals and reinforcement fine-tuning for agents.

  41. OpenAIProduct

    Codex generally available

    Codex reaches general availability with a Slack integration, Codex SDK and admin tools.

  42. AnthropicCapability

    Claude Code plugins

    Bundles of slash commands, agents, MCP servers and hooks install with one command.

  43. AnthropicModel

    Claude Haiku 4.5

    A small model matching Sonnet 4 coding performance at one-third the cost and twice the speed.

  44. AnthropicCapability

    Agent Skills

    Claude loads folders of instructions, scripts and resources when relevant to a task.

  45. AnthropicProduct

    Claude Code on the web

    Delegate coding tasks from the browser to Claude running on Anthropic-managed cloud infrastructure.

  46. AnthropicProduct

    Claude for Life Sciences

    Scientific connectors and skills for research, drug discovery and clinical work.

  47. OpenAIProduct

    ChatGPT Atlas

    A web browser with ChatGPT built in.

  48. AnthropicPolicy

    Up to one million Google TPUs

    A compute expansion worth tens of billions of dollars, bringing over a gigawatt online in 2026.

  49. OpenAICapability

    Company knowledge in ChatGPT

    ChatGPT answers from context in connected work apps, with citations, for Business and Enterprise.

  50. OpenAIPolicy

    OpenAI recapitalization

    OpenAI completes a recapitalization meant to strengthen mission-focused governance.

  51. OpenAIModel

    gpt-oss-safeguard

    Open-weight reasoning models that classify content against a developer-provided safety policy.

  52. AnthropicPolicy

    Model preservation commitments

    Anthropic will preserve weights of all publicly released Claude models and interview models before retirement.

  53. OpenAIModel

    GPT-5.1

    Upgraded GPT-5 models in ChatGPT with new tone and style controls, rolling out to paid users.

  54. OpenAIModel

    GPT-5.1 in the API

    GPT-5.1 reaches the API with adaptive reasoning, extended prompt caching, and apply_patch and shell tools.

  55. OpenAICapability

    Group chats in ChatGPT

    Several people can collaborate with ChatGPT in the same conversation.

  56. AnthropicCapability

    Structured outputs

    API responses are guaranteed to match JSON schemas and tool definitions; beta for Sonnet 4.5 and Opus 4.1.

  57. OpenAIProduct

    ChatGPT for Teachers

    A secure workspace free for verified U.S. K–12 educators through June 2027.

  58. OpenAIModel

    GPT-5.1-Codex-Max

    An agentic coding model for Codex built for long-running, project-scale work.

  59. AnthropicModel

    Claude Opus 4.5

    New flagship model with state-of-the-art coding and agentic performance at lower pricing.

  60. AnthropicCapability

    Advanced tool use

    Claude can discover, learn and execute tools dynamically on the Claude Developer Platform.

  61. AnthropicPolicy

    Anthropic acquires Bun

    Anthropic buys the Bun JavaScript runtime for Claude Code, which reached $1B run-rate revenue in six months.

  62. AnthropicCapability

    Claude Code in Slack

    Tagging @Claude in Slack starts Claude Code sessions that fix bugs and open pull requests.

  63. OpenAIPolicy

    Agentic AI Foundation

    OpenAI co-founds the foundation under the Linux Foundation and donates AGENTS.md.

  64. OpenAIModel

    GPT-5.2

    Frontier model for professional work, improving reasoning, long context, coding and vision, in ChatGPT and API.

  65. AnthropicCapability

    Org-wide skills and open standard

    Admins can provision skills org-wide, a partner skills directory launches, and skills become an open standard.

  66. OpenAIModel

    GPT-5.2-Codex

    Coding model with long-horizon reasoning, large-scale code changes and stronger cybersecurity skills.

2026

  1. OpenAIProduct

    ChatGPT Health

    A dedicated ChatGPT experience that connects users’ health data and apps, with privacy protections.

  2. AnthropicProduct

    Claude for Healthcare

    HIPAA-ready Claude for healthcare, life sciences tools and connectors to CMS, Medidata and ClinicalTrials.gov.

  3. AnthropicPolicy

    Anthropic Labs

    A new group to incubate experimental AI products, with Mike Krieger joining Ben Mann.

  4. OpenAIProduct

    ChatGPT Go worldwide

    The lower-cost Go plan, with GPT-5.2 Instant and higher limits, becomes available worldwide.

  5. AnthropicPolicy

    Claude's new constitution

    Anthropic publishes a new constitution, the foundational document that expresses and shapes who Claude is.

  6. AnthropicCapability

    MCP Apps

    Connectors can show an interactive live UI right inside a Claude conversation.

  7. OpenAIProduct

    Prism

    A free LaTeX-native workspace with GPT-5.2 built in for writing and collaborating on research.

  8. AnthropicCapability

    Cowork plugins

    Plugins tell Cowork how work should be done, which tools and data to use, and which slash commands to expose.

  9. OpenAIProduct

    Codex app for macOS

    A desktop app for running multiple coding agents in parallel on long-running tasks.

  10. AnthropicCapability

    Claude Agent SDK in Xcode

    Xcode 26.3 integrates the Claude Agent SDK for autonomous, long-running coding tasks on Apple platforms.

  11. AnthropicPolicy

    Claude stays ad-free

    Anthropic commits that Claude will remain free of advertising.

  12. AnthropicModel

    Claude Opus 4.6

    Upgrade to the smartest Claude model, leading on agentic coding, computer use, tool use, search and finance.

  13. OpenAIProduct

    OpenAI Frontier

    An enterprise platform for building, deploying and managing AI agents with permissions and governance.

  14. OpenAIModel

    GPT-5.3-Codex

    A Codex-native agent model pairing frontier coding performance with general reasoning.

  15. OpenAIPolicy

    Trusted Access for Cyber

    A trust-based framework that expands access to frontier cyber capabilities with safeguards.

  16. OpenAIModel

    GPT-5.3-Codex-Spark

    A real-time coding model with 15x faster generation, in research preview for ChatGPT Pro.

  17. OpenAICapability

    Lockdown Mode in ChatGPT

    Lockdown Mode and Elevated Risk labels help organizations defend against prompt injection and data exfiltration.

  18. AnthropicModel

    Claude Sonnet 4.6

    Full Sonnet upgrade across coding, computer use, long reasoning, agent planning, knowledge work and design.

  19. AnthropicProduct

    Claude Code Security

    A Claude Code tool that brings frontier cybersecurity capabilities to defenders securing codebases.

  20. OpenAIPolicy

    $110B funding round

    OpenAI raises $110B at a $730B pre-money valuation from SoftBank, NVIDIA and Amazon.

  21. OpenAIPolicy

    Department of War agreement

    Contract for deploying OpenAI systems in classified environments, with stated safety red lines.

  22. OpenAIModel

    GPT-5.3 Instant

    An update to ChatGPT’s everyday model aimed at smoother, more useful conversations.

  23. OpenAIModel

    GPT-5.4

    Frontier model for professional work with stronger coding, computer use and tool search.

  24. AnthropicPolicy

    Designated a supply chain risk

    The Department of War designates Anthropic a supply chain risk; Anthropic will challenge it in court.

  25. OpenAIProduct

    ChatGPT for Excel

    ChatGPT works inside Excel, powered by GPT-5.4, alongside new financial data app integrations.

  26. AnthropicCapability

    Code Review for Claude Code

    A team of agents reviews every pull request for bugs; research preview for Team and Enterprise.

  27. AnthropicPolicy

    The Anthropic Institute

    A new effort to study the biggest challenges powerful AI will pose to societies.

  28. AnthropicCapability

    Interactive visuals in chat

    Claude can answer with interactive charts, diagrams and visualizations rendered inline.

  29. AnthropicCapability

    1M context generally available

    Opus 4.6 and Sonnet 4.6 get a 1M-token window at standard pricing, with up to 600 images or PDF pages.

  30. OpenAIModel

    GPT-5.4 mini and nano

    Smaller, faster GPT-5.4 versions for coding, tool use and high-volume API and sub-agent workloads.

  31. AnthropicCapability

    Claude works on your computer

    Claude opens apps, browses and runs dev tools on macOS, with tasks assigned from a phone via Dispatch.

  32. OpenAIPolicy

    $122 billion funding round

    OpenAI raised $122 billion to expand compute and meet demand for ChatGPT, Codex and enterprise.

  33. AnthropicModel

    Claude Mythos Preview

    A general-purpose model strikingly capable at security work, used in Project Glasswing to secure key software.

  34. AnthropicProduct

    Claude Managed Agents

    Composable APIs for building and deploying cloud-hosted agents at scale.

  35. AnthropicCapability

    Routines in Claude Code

    Repeatable routines run in the cloud to work a backlog, review PRs and respond to events.

  36. OpenAICapability

    Agents SDK sandbox execution

    The Agents SDK adds native sandbox execution and a model-native harness for long-running agents.

  37. AnthropicModel

    Claude Opus 4.7

    Generally available successor to Opus 4.6, with notable gains on the hardest software engineering tasks.

  38. OpenAICapability

    Codex app adds computer use

    The Codex desktop app adds computer use, in-app browsing, image generation, memory and plugins.

  39. OpenAIModel

    GPT-Rosalind

    A reasoning model for life sciences: drug discovery, genomics analysis and protein reasoning.

  40. AnthropicProduct

    Claude Design

    An Anthropic Labs product for creating designs, prototypes, slides and one-pagers with Claude.

  41. AnthropicPolicy

    $100B Amazon compute deal

    Anthropic commits over $100B to AWS over a decade and secures up to 5 gigawatts of compute.

  42. OpenAICapability

    ChatGPT Images 2.0

    Image generation in ChatGPT gets better text rendering, multilingual support and visual reasoning.

  43. OpenAIModel

    OpenAI Privacy Filter

    An open-weight model that detects and redacts personally identifiable information in text.

  44. OpenAIProduct

    Workspace agents in ChatGPT

    Codex-powered agents in ChatGPT that run in the cloud and automate team workflows across tools.

  45. OpenAIModel

    GPT-5.5

    A model built for complex tasks like coding, research and data analysis across tools.

  46. AnthropicProduct

    Claude Security public beta

    Scans code for vulnerabilities and proposes fixes with Opus 4.7, on the Claude Platform or via partners.

  47. AnthropicPolicy

    Enterprise AI services company

    With Blackstone, H&F and Goldman Sachs, a new company pairs Claude with engineers to serve mid-sized firms.

  48. OpenAIModel

    GPT-5.5 Instant

    ChatGPT's default model updates, with fewer hallucinations and more personalization controls.

  49. AnthropicProduct

    Claude for Office apps GA

    Claude for Excel, PowerPoint and Word reach general availability; Claude for Outlook enters public beta.

  50. OpenAIModel

    GPT-5.5-Cyber

    Trusted Access for Cyber expands to GPT-5.5 and GPT-5.5-Cyber for verified defenders.

  51. AnthropicProduct

    Claude Platform on AWS

    AWS customers get the full Claude platform with AWS authentication, billing and commitment retirement.

  52. OpenAIPolicy

    DeployCo

    OpenAI launches a separate enterprise deployment company to bring frontier AI into production.

  53. OpenAIProduct

    Personal finance in ChatGPT

    ChatGPT connects to financial accounts to track spending, manage subscriptions and build budgets.

  54. AnthropicPolicy

    Anthropic acquires Stainless

    Anthropic buys the SDK and MCP server tooling builder to strengthen Claude's connections to tools and data.

  55. AnthropicModel

    Claude Opus 4.8

    Stronger coding, agentic and professional work, with more consistency on long-running tasks.

  56. OpenAICapability

    ChatGPT memory with Dreaming

    A new ChatGPT memory system keeps remembered preferences and context fresh across conversations.

  57. AnthropicModel

    Claude Fable 5 and Mythos 5

    Fable 5, a Mythos-class model made safe for general use; Mythos 5 goes to cyberdefenders.

  58. AnthropicCapability

    Artifacts in Claude Code

    Claude Code can preview work in progress as a live, shareable interactive artifact.

  59. OpenAIProduct

    Daybreak security tools

    A security initiative bundling Codex Security and GPT-5.5-Cyber to find and patch vulnerabilities.

  60. AnthropicProduct

    Claude Tag

    Teams tag @Claude in Slack channels to delegate tasks; beta for Enterprise and Team.

  61. OpenAIModel

    GPT-5.6 Sol preview

    Preview of a next-generation model stronger in coding, science and cybersecurity.

  62. AnthropicProduct

    Claude Science

    An AI workbench app for scientists with research tools, auditable artifacts and compute access, in beta.

  63. AnthropicModel

    Claude Sonnet 5

    The most agentic Sonnet yet, aimed at coding and everyday professional work.

  64. AnthropicPolicy

    Fable 5 redeployed

    Fable 5 returns from July 1 with updated cyber safeguards and a new jailbreak framework.

  65. OpenAICapability

    GPT-Live

    A new generation of voice models for natural conversation, now powering ChatGPT Voice.

  66. OpenAIProduct

    ChatGPT Work

    An agent in ChatGPT that acts across apps and files and can stay with a project for hours.

  67. OpenAIModel

    GPT-5.6

    New frontier model with more intelligence per token and stronger performance per dollar.

  68. AnthropicProduct

    Claude for Teachers

    Verified US K-12 educators get free premium Claude, a teaching skills library and curricula.

  69. OpenAIProduct

    OpenAI Presence

    Enterprise platform for deploying voice and chat agents in customer and internal workflows.

  70. OpenAIProduct

    Health in ChatGPT

    Eligible U.S. users can connect medical records and Apple Health for personalized insights.

  71. AnthropicModel

    Claude Opus 5

    A step up for the Opus tier on long-running agents, coding and professional work.

  72. AnthropicCapability

    MCP spec with stateless core

    The 2026-07-28 MCP spec moves to a stateless core with standard extensions and hardened auth.

  73. OpenAIModel

    GPT-5.6-Cyber

    Cybersecurity-specific model via Daybreak Red for authorized vulnerability research and testing.

  74. OpenAIPolicy

    Ads in ChatGPT

    OpenAI begins testing labeled ads in ChatGPT to support free access.

  75. OpenAIProduct

    ChatGPT for Teens

    Teen version of ChatGPT with stronger built-in protections and added parental controls.

  76. OpenAIPolicy

    Jalapeño inference chip

    First results from OpenAI's custom inference chip, claiming faster, more power-efficient inference.

  77. OpenAIModel

    GPT-6 Astra

    OpenAI's most capable model, state of the art in computer use, coding, cybersecurity and science.

  78. OpenAIModel

    ChatGPT Images 2.5

    Image model that turns ideas, sketches and reference photos into more polished images.

  79. OpenAIProduct

    Agents API

    Managed service on the Codex harness for building cloud agents with long-running sessions and tools.

  80. OpenAICapability

    GPT-Live-1 in the API

    Full-duplex voice conversations in the API, with custom voices and telephony support.

  81. OpenAIProduct

    OpenAI for Law

    Legal product with custom firm workflows, connected legal data sources and legal-grade controls.

  82. AnthropicModel

    Claude Opus 5.5

    Leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.

  83. OpenAIModel

    GPT-6 Sol and Luna

    Two GPT-6 models with different balances of capability and cost for everyday work.

  84. AnthropicProduct

    Claude Marketplace

    Plugins, connectors, agents and service partners in one place to find or list.

  85. AnthropicModel

    Claude Sonnet 5.5

    Clear upgrade over Sonnet 5: 30%+ faster and up to 30% cheaper for most work.

  86. OpenAIProduct

    Dots

    Proactive assistants in ChatGPT that keep working across complex projects and everyday tasks.

  87. OpenAIModel

    GPT-6.1 Sol

    Near-Astra coding and computer use at one-fifth of Astra's standard API token prices.

  88. AnthropicCapability

    Claude Code mods

    Small TypeScript functions that change how Claude Code works, from prompts to custom UI.

  89. AnthropicModel

    Claude Haiku 5.5

    Fastest small Claude model, built for high-volume work like summarization, subagents and browser use.

  90. AnthropicPolicy

    Anthropic Cyber Mission

    Support for defenders, starting with a critical infrastructure program and free OSS Scanner.

  91. AnthropicCapability

    Claude Dashboards and Motion

    Live dashboards and animated explainers in beta; Docs, Slides and Design reach every plan.