Claude Mythos 5
Restricted Claude model for advanced cybersecurity and biology research workflows
Context
1,000,000
Max output
128,000
Input / 1M
$10.00
Output / 1M
$50.00
Providers
2
01Profile
Profile
Released
2026-06-09
Last updated
2026-06-09
Knowledge cutoff
2026-01-31
Weights
Closed
02Capabilities
Capabilities
Input
text · image · pdf
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 2 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
2+ recent events since 2026-06-09
2026-08-11Addedazureoffering→ new
2026-08-11Addedazure-cognitive-servicesoffering→ new