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Claude Mythos 5

Fable 5's capabilities via Project Glasswing.

previewAnthropic ↗Verified 2026-08-13

$10

per M input

Specifications

Context1Msource · as of 2026-08-13
Input ($/Mtok)$10source · as of 2026-08-13
Output ($/Mtok)$50source · as of 2026-08-13
LicenceProprietarysource · as of 2026-08-13
Max output128Ksource · as of 2026-08-13
Model IDclaude-mythos-5source · as of 2026-08-13

Official links

Claude Mythos 5 model pageAnthropic official site

What matters

  • Same capabilities, pricing and API surface as Fable 5
  • Access only through Project Glasswing

Best for Glasswing participants.

Compare with

All 5 side by side →

Claude Mythos 5 vs Claude Fable 5 →Claude Mythos 5 vs Claude Opus 5 →Claude Mythos 5 vs GPT-5.6 Sol →Claude Mythos 5 vs Gemini 3.1 Pro →Claude Mythos 5 vs Claude Sonnet 5 →

Also in Language Models

Claude Fable 5 · AnthropicClaude Opus 5 · AnthropicGPT-5.6 Sol · OpenAIGemini 3.1 Pro · GoogleClaude Sonnet 5 · Anthropic