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Timeline

AI model release timeline

Every model in our database, newest first, grouped by release year.

2025

  1. Sep 29, 2025 · 200K ctx
    Claude Sonnet 4.5
  2. Aug 7, 2025 · 400K ctx
    GPT-5
  3. Jul 9, 2025 · 256K ctx
    Grok 4
  4. May 22, 2025 · 200K ctx
    Claude Opus 4
  5. Apr 16, 2025 · 200K ctx
    OpenAI o3
  6. Apr 5, 2025 · 10M ctx · open weights
    Llama 4
  7. Mar 25, 2025 · 1M ctx
    Gemini 2.5 Pro
  8. Jan 20, 2025 · 128K ctx · open weights
    DeepSeek R1

2024

  1. Dec 26, 2024 · 128K ctx · open weights
    DeepSeek V3
  2. Dec 5, 2024 · 200K ctx
    OpenAI o1
  3. Jun 20, 2024 · 200K ctx
    Claude 3.5 Sonnet
  4. May 13, 2024 · 128K ctx
    GPT-4o
  5. Apr 18, 2024 · 8.2K ctx · open weights
    Llama 3
  6. Mar 4, 2024 · 200K ctx
    Claude 3 Opus
  7. Feb 15, 2024 · 2M ctx
    Gemini 1.5 Pro

2023

  1. Dec 11, 2023 · 32K ctx · open weights
    Mixtral 8x7B
  2. Dec 6, 2023 · 32K ctx
    Gemini 1.0
  3. Nov 4, 2023 · 8.2K ctx · open weights
    Grok-1
  4. Sep 27, 2023 · 8.2K ctx · open weights
    Mistral 7B
  5. Jul 18, 2023 · 4.1K ctx · open weights
    Llama 2
  6. Jul 11, 2023 · 100K ctx
    Claude 2
  7. Mar 14, 2023 · 9K ctx
    Claude 1
  8. Mar 14, 2023 · 8.2K ctx
    GPT-4

2022

  1. Nov 30, 2022 · 4.1K ctx
    GPT-3.5

2020

  1. Jun 11, 2020 · 2.0K ctx
    GPT-3

2019

  1. Feb 14, 2019 · 1.0K ctx · open weights
    GPT-2