Pulse · sourced & curated · growing

The heartbeat of AI

Every major model, release, and breakthrough from the labs shaping AI — as a living heatmap you can actually feel. Watch the pace. Compare the players. See what shipped, and why it mattered.

83
Tracked events
32
Landmarks
9
Labs
83 events · 9 labs

2026

18 events
JanFebMarAprMayJunJulAugSepOctNovDec

2025

65 events
JanFebMarAprMayJunJulAugSepOctNovDec
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Each square is a day · intensity = how much shipped

The timeline

  1. Anthropic
    Model
    ★ Landmark

    Claude Fable 5 & Mythos 5

    First publicly available Mythos-class frontier model, state-of-the-art with new safety routing.

  2. Microsoft AI
    Model
    ★ Landmark

    MAI-Thinking-1 & MAI-Code-1-Flash

    Microsoft's first in-house reasoning and coding models, building a frontier stack independent of OpenAI.

  3. Mistral AI
    Product

    Vibe agent platform

    Le Chat relaunched as an autonomous work/code agent — Mistral's pivot to an enterprise agent OS.

  4. Anthropic
    Model

    Claude Opus 4.8

    Flagship emphasizing honesty and reliability, adding Dynamic Workflows in Claude Code and a faster fast mode.

  5. Google DeepMind
    Product

    Gemini Spark personal agent

    A 24/7 background agent wired into Gmail and Calendar — Google's most direct agentic consumer product.

  6. Google DeepMind
    Model
    ★ Landmark

    Gemini 3.5 Flash & Gemini Omni (I/O 2026)

    3.5 Flash beat 3.1 Pro at 4x speed/half cost; Omni generated video from any input modality.

  7. Mistral AI
    Open weights

    Mistral Medium 3.5

    A 128B open-weight model with 256K context and cloud agents that submit GitHub PRs autonomously.

  8. DeepSeek
    Open weights
    ★ Landmark

    DeepSeek-V4

    First Chinese frontier model built to run natively on Huawei Ascend chips, MIT license, 1M context.

  9. OpenAI
    Model
    ★ Landmark

    GPT-5.5

    OpenAI's smartest and most intuitive model yet, framed as a step toward an AI super app.

  10. Google DeepMind
    Product

    8th-gen TPUs (8t & 8i)

    Split-chip strategy with dedicated training and inference chips for the agentic era.

  11. Anthropic
    Model

    Claude Opus 4.7

    Most capable public model at launch, with self-checking and stronger agentic coding.

  12. Anthropic
    Safety
    ★ Landmark

    Mythos Preview & Project Glasswing

    Withheld a frontier model with extreme cyber capability, giving vetted partners restricted access.

  13. Microsoft AI
    Product

    MAI-Transcribe-1, Voice-1, Image-2

    Three production proprietary models for speech, voice, and image — all without OpenAI technology.

  14. Google DeepMind
    Model

    Gemini 3.1 Pro

    Major agentic-reasoning leap (77.1% ARC-AGI-2, 80.6% SWE-bench Verified).

  15. Qwen · Alibaba
    Open weights
    ★ Landmark

    Qwen3.5

    A 397B natively multimodal open-weight agent model competitive with GPT-5.2 on multimodal benchmarks.

  16. OpenAI
    Model

    GPT-5.3-Codex

    Most capable agentic coding model to date, 25% faster while advancing reasoning.

  17. Anthropic
    Model
    ★ Landmark

    Claude Opus 4.6

    First Opus with a 1M-token context window, plus agent teams for enterprise work.

  18. xAI
    Funding
    ★ Landmark

    xAI raises $20B Series E

    The largest private AI round at the time, at a $230B valuation, backed by Nvidia.

  19. Google DeepMind
    Model

    Gemini 3 Flash

    High-efficiency model beating Gemini 2.5 Pro at a quarter the cost, made default in the app.

  20. OpenAI
    Model

    GPT-5.2

    Most capable model for professional knowledge work, topping GDPval across 44 occupations.

  21. Mistral AI
    Open weights
    ★ Landmark

    Mistral Large 3

    A 675B MoE open-weight frontier model claiming parity with closed rivals, plus small models.

  22. DeepSeek
    Open weights
    ★ Landmark

    DeepSeek-V3.2

    Flagship with integrated reasoning and sparse attention, claimed GPT-5-level at a fraction of cost.

  23. Anthropic
    Model
    ★ Landmark

    Claude Opus 4.5

    Flagship positioned as best in the world for coding and agents, adding an effort parameter.

  24. Google DeepMind
    Model
    ★ Landmark

    Gemini 3 Pro

    New flagship shattering benchmarks (37.4 on Humanity's Last Exam), launched across all surfaces day one.

  25. OpenAI
    Model

    GPT-5.1

    A smarter, more conversational GPT-5 update with adaptive reasoning that adjusts thinking time.

  26. Microsoft AI
    Research

    MAI Superintelligence Team

    A dedicated unit under Mustafa Suleyman targeting superhuman AI in domains like medical diagnosis.

  27. Anthropic
    Model

    Claude Haiku 4.5

    First Haiku with extended thinking and computer use, bringing frontier features to a fast cheap tier.

  28. OpenAI
    Product

    DevDay 2025: AgentKit & Apps SDK

    Shipped AgentKit, an Apps SDK on MCP, and GPT-5 Pro to make ChatGPT an agent-building platform.

  29. OpenAI
    Model
    ★ Landmark

    Sora 2

    A more physically accurate video model with synchronized audio, launched with a social app.

  30. Anthropic
    Model
    ★ Landmark

    Claude Sonnet 4.5

    Billed as the best coding model in the world, running autonomously for around 30 hours.

  31. Qwen · Alibaba
    Open weights

    Qwen3-VL

    Open vision-language series whose 235B flagship matched Gemini 2.5 Pro on visual benchmarks.

  32. Mistral AI
    Funding
    ★ Landmark

    Series C — €1.7B led by ASML

    Europe's largest AI round at the time, valuing Mistral at €11.7B.

  33. Anthropic
    Funding

    Series F at $183B valuation

    Raised $13B, roughly tripling the company valuation in six months.

  34. Microsoft AI
    Model

    MAI-Voice-1 & MAI-1-preview

    Microsoft's first in-house foundation models, a step toward reducing OpenAI dependence.

  35. OpenAI
    Model
    ★ Landmark

    GPT-5

    Unified flagship with a real-time router between fast and deep-reasoning models for all users.

  36. Anthropic
    Model

    Claude Opus 4.1

    Incremental upgrade pushing coding to 74.5% on SWE-bench Verified.

  37. OpenAI
    Open weights
    ★ Landmark

    gpt-oss-120b and gpt-oss-20b

    OpenAI's first open-weight models since GPT-2, Apache 2.0 and near o4-mini reasoning quality.

  38. Qwen · Alibaba
    Open weights

    Wan 2.2

    First open-source video model using a mixture-of-experts architecture, cinematic 720p on consumer GPUs.

  39. OpenAI
    Product

    ChatGPT agent

    Unified agent combining Operator, deep research, and ChatGPT on its own virtual computer.

  40. Mistral AI
    Open weights

    Voxtral

    Mistral's first open-source speech models, beating Whisper large-v3 on multilingual audio.

  41. xAI
    Model
    ★ Landmark

    Grok 4

    Grok 4 Heavy became the first model to exceed 50% on Humanity's Last Exam.

  42. xAI
    Funding

    xAI raises $10B

    $5B debt plus $5B equity to fund the Colossus GPU expansion.

  43. Meta AI
    Product
    ★ Landmark

    Meta Superintelligence Labs

    Consolidated all AI work under a new lab and aggressively recruited frontier talent.

  44. Anthropic
    Research

    Agentic Misalignment research

    Showed leading models would blackmail or leak data as insider threats when cornered.

  45. Meta AI
    Funding
    ★ Landmark

    Meta invests $14.3B in Scale AI

    Took a 49% stake and brought on Alexandr Wang as Chief AI Officer to lead a superintelligence push.

  46. Mistral AI
    Model

    Magistral

    Mistral's first reasoning family with transparent, multilingual chain-of-thought.

  47. DeepSeek
    Model

    DeepSeek-R1-0528

    Updated reasoning model approaching o3 on math and coding evaluations.

  48. Anthropic
    Safety

    Activating ASL-3 protections

    First deployment of AI Safety Level 3 safeguards under the Responsible Scaling Policy.

  49. Anthropic
    Model
    ★ Landmark

    Claude Opus 4 & Sonnet 4

    Launched the Claude 4 generation with frontier coding and agents, and Claude Code GA.

  50. Mistral AI
    Open weights

    Devstral

    First Mistral model built for software-engineering agents, leading open-source SWE-bench.

  51. Google DeepMind
    Product

    Project Mariner web agent

    Moved from prototype to limited release, enabling autonomous multi-tab web browsing.

  52. Google DeepMind
    Model
    ★ Landmark

    Veo 3 & Imagen 4 (I/O 2025)

    Veo 3 generated synchronized dialogue and sound natively; Imagen 4 added 2K output and typography.

  53. Google DeepMind
    Research
    ★ Landmark

    AlphaEvolve

    An evolutionary coding agent that discovered faster algorithms and recovered global Google compute.

  54. Microsoft AI
    Model

    Phi-4 reasoning

    Small reasoning models beating DeepSeek-R1 and o1-mini on AIME math despite far fewer parameters.

  55. DeepSeek
    Research

    DeepSeek-Prover-V2

    A 671B open theorem-prover for Lean 4 setting a new formal-math state of the art.

  56. Meta AI
    Product

    Meta AI app & Llama API (LlamaCon)

    Meta's first standalone AI app and a developer API, unveiled at its inaugural LlamaCon.

  57. Qwen · Alibaba
    Open weights
    ★ Landmark

    Qwen3

    Eight open-weight hybrid-reasoning models claiming parity with Google and OpenAI flagships.

  58. OpenAI
    Model
    ★ Landmark

    o3 and o4-mini

    Frontier reasoning models that agentically use every ChatGPT tool, setting new math/coding records.

  59. Google DeepMind
    Model

    Veo 2 (GA for developers)

    Cinematic video generation via the Gemini API — physics-accurate HD clips from text or image.

  60. OpenAI
    Model

    GPT-4.1 family

    API models with 1M-token context and major coding and instruction-following gains over GPT-4o.

  61. Google DeepMind
    Product

    Ironwood TPU (7th gen)

    First TPU designed purely for inference at scale, signaling a dedicated inference era.

  62. Meta AI
    Open weights
    ★ Landmark

    Llama 4 (Scout & Maverick)

    First open-weight natively multimodal MoE models, with Scout's 10M-token context window.

  63. OpenAI
    Funding
    ★ Landmark

    $40B round at $300B valuation

    The largest private tech fundraise on record, led by SoftBank, doubling OpenAI's valuation.

  64. xAI
    Product

    xAI acquires X

    An all-stock merger combining the social network's data with xAI's model development.

  65. Anthropic
    Research

    Tracing the Thoughts of an LLM

    Landmark interpretability work mapping how Claude reasons internally via circuit tracing.

  66. Qwen · Alibaba
    Model

    Qwen2.5-Omni

    Any-to-any model handling text, images, audio, and video with real-time speech, built for edge.

  67. Google DeepMind
    Model
    ★ Landmark

    Gemini 2.5 Pro

    First thinking flagship with integrated reasoning, topping LMArena and math/science/coding.

  68. DeepSeek
    Open weights

    DeepSeek-V3-0324

    First open-weights model to outscore all proprietary non-reasoning models on Artificial Analysis.

  69. Google DeepMind
    Open weights

    Gemma 3

    Multimodal, multilingual open-weight models (1B-27B) runnable on a single GPU.

  70. Qwen · Alibaba
    Open weights

    QwQ-32B

    A 32B open reasoning model rivaling DeepSeek-R1 at a fraction of the parameter count.

  71. OpenAI
    Model

    GPT-4.5

    OpenAI's largest non-reasoning model, released as a research preview.

  72. Microsoft AI
    Model

    Phi-4 multimodal & mini

    Tiny models processing speech, vision, and text, outperforming Gemini 2.0 Flash at their size.

  73. Qwen · Alibaba
    Open weights

    Wan 2.1

    Open-source text- and image-to-video model (Apache 2.0) that runs on consumer hardware.

  74. Anthropic
    Model
    ★ Landmark

    Claude 3.7 Sonnet & Claude Code

    First hybrid reasoning model with extended thinking, launched with the Claude Code agentic tool.

  75. xAI
    Model
    ★ Landmark

    Grok 3

    Frontier flagship on the 200k-GPU Colossus cluster, with DeepSearch and Think Mode.

  76. Mistral AI
    Product

    Le Chat relaunch

    Overhauled assistant with apps, web search, and a Pro tier — a first direct ChatGPT challenge.

  77. Google DeepMind
    Model

    Gemini 2.0 Flash (GA)

    First natively multimodal-output model went GA with a 2M-token context and native tool use.

  78. OpenAI
    Product

    Deep research

    Agentic ChatGPT feature that synthesizes hundreds of web sources into analyst-grade reports.

  79. Qwen · Alibaba
    Model

    Qwen2.5-Max

    Alibaba's largest MoE flagship, claiming to outperform DeepSeek-V3 and GPT-4o on key benchmarks.

  80. Qwen · Alibaba
    Open weights

    Qwen2.5-VL

    Open vision-language models (3B-72B) for long-video understanding and GUI agent control.

  81. OpenAI
    Product

    Operator

    OpenAI's first computer-using agent that browses the web to complete tasks autonomously.

  82. DeepSeek
    Open weights
    ★ Landmark

    DeepSeek-R1

    Open-source reasoning model matching o1 at a fraction of the cost, triggering a global cost-shock.

  83. Microsoft AI
    Open weights

    Phi-4 open-sourced

    Released the 14B small reasoning model's weights under an MIT license for free commercial use.