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claude-mythos

Anthropic · claude-mythos

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Specification

anthropic listing

Context
1M
Max output
128K
Released
—
Knowledge cutoff
—
Retires
2026-06-09
Open weights
—
Input
—
Output
—

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
Cache write, 1 hourbedrock$55.00
Cache write, 1 houranthropic$20.00

Available from 5 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
anthropicvendor$10.00$50.00$1.00$12.501M128K2026-06-09
bedrock$27.50$137.50$2.75$34.3751M128K—
bedrock_converse · apac$27.50$137.50$2.75$34.3751M128K—
bedrock_converse · au$27.50$137.50$2.75$34.3751M128K—
bedrock_converse · us$27.50$137.50$2.75$34.3751M128K—

Price history

append-only observations · a listing writes a row only when its price moves

DateHostField$/M
2026-09-02bedrockInputfree
2026-09-26bedrockInput$27.50
2026-09-02bedrockOutputfree
2026-09-26bedrockOutput$137.50

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