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AI models

Longest-context models in 2026: Prices, Context Windows and Features

466 entriesOrdered 16 Oct 2026 Page 2 of 19How the Club ranks

Listed by context window, largest first.

  1. 26

    GPT-6 Astra Pro (batch)

    OpenAI

    • Input $5/M
    • Output $25/M
    • Context 1.05M
    • Released 4 Sept 2026
    Details
  2. 27

    GPT-5.6 Luna

    OpenAI

    • Input $0.2/M
    • Output $1.2/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  3. 28

    GPT-5.6 Luna (batch)

    OpenAI

    • Input $0.1/M
    • Output $0.6/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  4. 29

    GPT-5.6 Luna Pro

    OpenAI

    • Input $0.2/M
    • Output $1.2/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  5. 30

    GPT-5.6 Luna Pro (batch)

    OpenAI

    • Input $0.1/M
    • Output $0.6/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  6. 31

    GPT-5.6 Sol

    OpenAI

    • Input $2/M
    • Output $10/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  7. 32

    GPT-5.6 Sol (batch)

    OpenAI

    • Input $1/M
    • Output $5/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  8. 33

    GPT-5.6 Sol Pro

    OpenAI

    • Input $4/M
    • Output $20/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  9. 34

    GPT-5.6 Sol Pro (batch)

    OpenAI

    • Input $1/M
    • Output $5/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  10. 35

    GPT-5.6 Terra

    OpenAI

    • Input $2/M
    • Output $12/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  11. 36

    GPT-5.6 Terra (batch)

    OpenAI

    • Input $1/M
    • Output $6/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  12. 37

    GPT-5.6 Terra Pro

    OpenAI

    • Input $2/M
    • Output $12/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  13. 38

    GPT-5.6 Terra Pro (batch)

    OpenAI

    • Input $1/M
    • Output $6/M
    • Context 1.05M
    • Released 9 Jul 2026
    Details
  14. 39

    GPT-5.5

    OpenAI

    • Input $5/M
    • Output $30/M
    • Context 1.05M
    • Released 24 Apr 2026
    Details
  15. 40

    GPT-5.5 (batch)

    OpenAI

    • Input $2.5/M
    • Output $15/M
    • Context 1.05M
    • Released 24 Apr 2026
    Details
  16. 41

    GPT-5.5 Pro

    OpenAI

    • Input $30/M
    • Output $180/M
    • Context 1.05M
    • Released 24 Apr 2026
    Details
  17. 42

    GPT-5.5 Pro (batch)

    OpenAI

    • Input $15/M
    • Output $90/M
    • Context 1.05M
    • Released 24 Apr 2026
    Details
  18. 43

    MiMo-V2.5

    Xiaomi

    • Input $0.14/M
    • Output $0.28/M
    • Context 1.05M
    • Released 22 Apr 2026
    Details
  19. 44

    MiMo-V2.5-Pro

    Xiaomi

    • Input $0.435/M
    • Output $0.87/M
    • Context 1.05M
    • Released 22 Apr 2026
    Details
  20. 45

    GPT-5.4

    OpenAI

    • Input $2.5/M
    • Output $15/M
    • Context 1.05M
    • Released 5 Mar 2026
    Details
  21. 46

    GPT-5.4 (batch)

    OpenAI

    • Input $1.25/M
    • Output $7.5/M
    • Context 1.05M
    • Released 5 Mar 2026
    Details
  22. 47

    GPT-5.4 Pro

    OpenAI

    • Input $30/M
    • Output $180/M
    • Context 1.05M
    • Released 5 Mar 2026
    Details
  23. 48

    GPT-5.4 Pro (batch)

    OpenAI

    • Input $15/M
    • Output $90/M
    • Context 1.05M
    • Released 5 Mar 2026
    Details
  24. 49

    LongCat 2.0

    Meituan

    • Input $0.3/M
    • Output $1.2/M
    • Context 1.05M
    • Released 20 Jul 2026
    Details
  25. 50

    Pareto 26.10 Preview

    unbiased

    • Input $0.8/M
    • Output $3.2/M
    • Context 1.05M
    • Released 1 Oct 2026
    Details