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OpenAI GPT-5.6 vs Claude Fable & Mythos: Who wins?

Codevolution · Video · 26 Jun 2026 · 1:11

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  1. —

    ChatGPTmentionsOrganic

    “GPT-5.6 vs Claude Mythos and Fable: which model is better?”
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    Corrections are reviewed and versioned. Thank you.

  2. —

    ClaudementionsOrganic

    “GPT-5.6 vs Claude Mythos and Fable: which model is better?”
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    report

    Corrections are reviewed and versioned. Thank you.

  3. —

    ClaudementionsOrganic

    “Claude’s top models, Fable 5 and Mythos 5, so I dug through the published benchmarks”
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    Corrections are reviewed and versioned. Thank you.

  4. —

    ChatGPTmentionsOrganic

    “For coding, GPT-5.6 Sol takes the lead and sets a new state of the art.”
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    Corrections are reviewed and versioned. Thank you.

  5. —

    ClaudementionsOrganic

    “Terra, OpenAI’s everyday model, is roughly on par with Claude Fable 5.”
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    Corrections are reviewed and versioned. Thank you.

  6. —

    ClaudementionsOrganic

    “Even Luna, the cheapest GPT-5.6 model, beats Claude Opus 4.8 in the coding results.”
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    Corrections are reviewed and versioned. Thank you.

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