Claude Mythos 5.1

Anthropic · anthropic/claude-mythos-5-1

ProviderAnthropic
Familyclaude-mythos
Typellm-reasoning
Statusactive
Released2026-09-01
Updated2026-09-01

Lineage

RelationshipModel
Is a continuation ofClaude Mythos 5

Capabilities

Chain Of Thought · tier-2 Function Calling · tier-2 Mcp Compatible · tier-2 Multi Step · tier-2 Parallel Tool Calls · tier-2 Think Budget Control · tier-2

Reported benchmark scores

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BenchmarkCatalogue standingScore

Data

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