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AI models

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

466 entriesOrdered 16 Oct 2026 How the Club ranks

Listed by context window, largest first.

  1. 1

    Auto Router (Beta)

    openrouter

    • Input $-1,000,000/M
    • Output $-1,000,000/M
    • Context 2M
    • Released 17 Jul 2026
    Details
  2. 2

    Pareto Code Router

    openrouter

    • Input $-1,000,000/M
    • Output $-1,000,000/M
    • Context 2M
    • Released 21 Apr 2026
    Details
  3. 3

    Grok 4.20

    SpaceXAI

    • Input $1.25/M
    • Output $2.5/M
    • Context 2M
    • Released 31 Mar 2026
    Details
  4. 4

    Grok 4.20 Multi-Agent

    SpaceXAI

    • Input $1.25/M
    • Output $2.5/M
    • Context 2M
    • Released 31 Mar 2026
    Details
  5. 5

    Auto Router

    openrouter

    • Input $-1,000,000/M
    • Output $-1,000,000/M
    • Context 2M
    • Released 8 Nov 2023
    Details
  6. 6

    Llama 4 Scout

    Meta

    • Input $0.1/M
    • Output $0.3/M
    • Context 1.31M
    • Released 5 Apr 2025
    Details
  7. 7

    GPT-6.1 Sol

    OpenAI

    • Input $2/M
    • Output $10/M
    • Context 1.05M
    • Released 29 Sept 2026
    Details
  8. 8

    GPT-6.1 Sol Pro

    OpenAI

    • Input $2/M
    • Output $10/M
    • Context 1.05M
    • Released 29 Sept 2026
    Details
  9. 9

    GPT-6 Luna

    OpenAI

    • Input $0.1/M
    • Output $0.5/M
    • Context 1.05M
    • Released 22 Sept 2026
    Details
  10. 10

    GPT-6 Luna (batch)

    OpenAI

    • Input $0.05/M
    • Output $0.25/M
    • Context 1.05M
    • Released 22 Sept 2026
    Details
  11. 11

    GPT-6 Luna Pro

    OpenAI

    • Input $0.1/M
    • Output $0.5/M
    • Context 1.05M
    • Released 22 Sept 2026
    Details
  12. 12

    GPT-6 Luna Pro (batch)

    OpenAI

    • Input $0.05/M
    • Output $0.25/M
    • Context 1.05M
    • Released 22 Sept 2026
    Details
  13. 13

    GPT-6 Sol

    OpenAI

    • Input $2/M
    • Output $10/M
    • Context 1.05M
    • Released 22 Sept 2026
    Details
  14. 14

    GPT-6 Sol (batch)

    OpenAI

    • Input $1/M
    • Output $5/M
    • Context 1.05M
    • Released 22 Sept 2026
    Details
  15. 15

    GPT-6 Sol Pro

    OpenAI

    • Input $2/M
    • Output $10/M
    • Context 1.05M
    • Released 22 Sept 2026
    Details
  16. 16

    GPT-6 Sol Pro (batch)

    OpenAI

    • Input $1/M
    • Output $5/M
    • Context 1.05M
    • Released 22 Sept 2026
    Details
  17. 17

    MiMo-V2.6-Flash

    Xiaomi

    • Input $0.14/M
    • Output $0.28/M
    • Context 1.05M
    • Released 21 Sept 2026
    Details
  18. 18

    MiMo-V2.6-Pro

    Xiaomi

    • Input $0.435/M
    • Output $0.87/M
    • Context 1.05M
    • Released 21 Sept 2026
    Details
  19. 19

    GPT Astra Latest

    OpenAI

    • Input $10/M
    • Output $50/M
    • Context 1.05M
    • Released 11 Sept 2026
    Details
  20. 20

    GPT Luna Latest

    OpenAI

    • Input $0.1/M
    • Output $0.5/M
    • Context 1.05M
    • Released 11 Sept 2026
    Details
  21. 21

    GPT Sol Latest

    OpenAI

    • Input $2/M
    • Output $10/M
    • Context 1.05M
    • Released 11 Sept 2026
    Details
  22. 22

    GPT Terra Latest

    OpenAI

    • Input $2/M
    • Output $12/M
    • Context 1.05M
    • Released 11 Sept 2026
    Details
  23. 23

    GPT-6 Astra

    OpenAI

    • Input $10/M
    • Output $50/M
    • Context 1.05M
    • Released 4 Sept 2026
    Details
  24. 24

    GPT-6 Astra (batch)

    OpenAI

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

    GPT-6 Astra Pro

    OpenAI

    • Input $10/M
    • Output $50/M
    • Context 1.05M
    • Released 4 Sept 2026
    Details