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Claude Mythos PreviewClosedDeprecated
Tool use · Reasoning
Evaluation overview
Data coverage
16 items
2 sources · updated through 2026-07-09
Evaluation highlights
All evaluationsBasic information
- Context (input / output)
- 1M / 64K
- Release date
- 2026-04
- Input modalities
- Text · Image
- Output modalities
- Text
Related links
Version relationships
Claude-Mythos family
Claude Mythos PreviewCurrent
2026-04 · Current model · Deprecated
Claude Fable 5
2026-06 · Successor