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Anthropic · AI API · Model API

Anthropic Claude API — Claude Mythos 5.1

Anthropic offers Claude Mythos 5.1 at US$10 per 1M input tokens and US$50 per 1M output tokens. Access remains limited to vetted users, but Anthropic opened applications for its Life Sciences Verification Program on September 17, 2026, allowing approved organizations to use Mythos through the first-party API console.

INPUT / 1M$10Native listed metric
OUTPUT / 1M$50Native listed metric
Pricing

Pricing details

Secondary price terms only; primary pricing stays in the deal summary.

CACHED / 1M$0.25When available
BATCH INPUT / 1M$5
BATCH OUTPUT / 1M$25
Fit & constraints

Fit & constraints

Use-case fit and limitations from the existing resource record.

AVAILABILITY

Limited

ELIGIBILITY

Vetted life-science organizations may apply to Anthropic's Life Sciences Verification Program (LSVP). Standard Use grants are team-wide and renewed annually; High-risk Use is project-specific and renewed every six months. Access remains approval-based, not generally available.

Resource facts

Technical profile

Non-price resource facts only; pricing, history, and evidence stay in their own sections.

CONTEXT1M
AI MODELclaude-mythos-5-1
Trust layer

Verified evidence

Decision visuals remain traceable to the existing source and verification record.

Verified
EvidenceOfficial

Independent ranking · native prices · evidence-linked · commercial relationships isolated from scoring and publication.