Model intelligence / Live profile

Claude Mythos 5.1

Track Claude Mythos 5.1 from Anthropic across launches, availability, pricing, benchmarks, capabilities, and consequential updates. This page updates automatically as substantive Superpower Daily coverage is published.

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Developer / company

Anthropic

Published3

Launches2

Pricing0

Benchmarks1

Latest coverageAnthropic Releases One Claude 5.1 Model in Two Access Tiers, Cuts Cache Reads 75%

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Claude Mythos 5.1

What changed around Claude Mythos 5.1.

Anthropic Adds Three Security Access Tiers With Fewer Claude Restrictions

Launches, pricing, and proof.

Launches and releases

Pricing and access

Benchmarks and evaluations

The maintained record.

Follow every consequential Claude Mythos 5.1 update.

Anthropic’s Fable 5.1 Takes Benchmark Lead, but Its Top Setting Costs More Per Task