benchfolio

Models / GPT-6.1 Sol / Alternatives

GPT-6.1 Sol alternatives

GPT-6.1 Sol has no public price, so we cannot compare cost.

The best open-weights alternative is Kimi K3, 17 points lower Overall.

4 models score higher Overall, led by Claude Fable 5.1.

Updated Oct 13, 2026 · Method v1.2 · Higher score, lower price or open weights, best first

Post toXLinkedInBlueskyRedditHacker News

Top 10 of 10 alternatives

  1. Claude Fable 5.1

    Anthropic

    Overall90
    Rank
    #1 Overall
    Best job
    #1 Math
    Price, 1M tokens
    $10 in · $50 out
    Released
    Sep 1, 2026
    Higher score10 points higher Overall
    Compare Claude Fable 5.1 with GPT-6.1 Sol

  2. Claude Opus 5.5

    Anthropic

    New
    Overall90
    Rank
    #1 Overall
    Best job
    #1 Writing
    Price, 1M tokens
    $4 in · $20 out
    Released
    Sep 22, 2026
    Higher score10 points higher Overall
    Compare Claude Opus 5.5 with GPT-6.1 Sol

  3. Claude Opus 5

    Anthropic

    Overall88
    Rank
    #3 Overall
    Best job
    #1 Coding
    Price, 1M tokens
    $5 in · $25 out
    Released
    Jul 24, 2026
    Higher score8 points higher Overall
    Compare Claude Opus 5 with GPT-6.1 Sol

  4. GPT-6 Astra

    OpenAI

    Overall84
    Rank
    #4 Overall
    Best job
    #1 Agents
    Price, 1M tokens
    $10 in · $50 out
    Released
    Sep 3, 2026
    Higher score4 points higher Overall
    Compare GPT-6 Astra with GPT-6.1 Sol

  5. Kimi K3

    Moonshot

    Open weights
    Overall63
    Rank
    #10 Overall
    Best job
    #8 Coding
    Price, 1M tokens
    $3 in · $15 out
    Released
    Jul 16, 2026
    Open weights17 points lower Overall
    Compare Kimi K3 with GPT-6.1 Sol

  6. GLM-5.3-Flash

    Z.ai (Zhipu AI)

    Open weights
    Overall48
    Rank
    #21 Overall
    Best job
    #16 Coding
    Price, 1M tokens
    $0.15 in · $0.50 out
    Released
    Aug 20, 2026
    Open weights32 points lower Overall

  7. DeepSeek V4 Pro 0813

    DeepSeek

    Open weights
    Overall45
    Rank
    #23 Overall
    Best job
    #22 Design
    Price, 1M tokens
    not listed
    Released
    Aug 13, 2026
    Open weights35 points lower Overall

  8. GLM-5.2

    Z.ai (Zhipu AI)

    Open weights
    Overall40
    Rank
    #29 Overall
    Best job
    #19 Design
    Price, 1M tokens
    $1.40 in · $4.40 out
    Released
    Jun 16, 2026
    Open weights40 points lower Overall

  9. GLM-5.1

    Z.ai (Zhipu AI)

    Open weights
    Overall30
    Rank
    #32 Overall
    Best job
    #29 Writing
    Price, 1M tokens
    $1.40 in · $4.40 out
    Released
    Apr 7, 2026
    Open weights50 points lower Overall

  10. Inkling-Small

    Thinking Machines

    Open weights
    Overall7
    Rank
    #39 Overall
    Best job
    #43 Reasoning
    Price, 1M tokens
    not listed
    Released
    Jul 15, 2026
    Open weights73 points lower Overall