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Claude Mythos 5

Anthropic · claude-mythos-5

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Restricted Claude model for advanced cybersecurity and biology research workflows

Specification

anthropic listing

Context
1M
Max output
128K
Released
2026-06-09
Knowledge cutoff
2026-01-31
Retires
—
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · anthropic list price

Input
$10.00
Output
$50.00
Cache read
$1.00
Cache write
$12.50

Batch and priority prices

US dollars per million tokens · per listing

PriceListing$/M
Batch inputanthropic$5.00
Batch outputanthropic$25.00
Cache write, 1 houranthropic$20.00
Cache write, 1 hourbedrock_converse · us$22.00

Batch input is 50% below the interactive input price at the same listing.

Available from 4 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
anthropicvendor$10.00$50.00$1.00$12.501M128K—
azure$10.00$50.00$1.00$12.501M128K—
azure-cognitive-services$10.00$50.00$1.00$12.501M128K—
bedrock_converse · us$11.00$55.00$1.10$13.751M128K—

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