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Claude Mythos Preview

Explore Claude Mythos Preview’s published benchmark results and provider offerings below. More comparable task results are needed to describe its strongest areas.

Updated: Data as of:

Strongest results

More comparable benchmark results are needed.

Model details

Proprietary1 benchmarks
Specifications for Claude Mythos Preview
ModelClaude Mythos Preview
Agent Index v1.2Insufficient coverage (0/7) · Preview
CreatorAnthropic (opens in a new tab)
AvailabilityProprietary
Context sizeNot reported
Max outputNot reported (opens in a new tab)
Knowledge cutoffNot reported
LicenseNot reported

Pricing and performance

Per provider and reported configuration. Prices are USD per 1M tokens.

Provider offerings for Claude Mythos Preview
Provider / configurationContexttokensInputUSD / 1M tokensOutputUSD / 1M tokensLatencyTTFT · secondsSpeedtokens / sec
Official standard API pricingNot reported$25.00 (opens in a new tab)$125.00 (opens in a new tab)Not reportedNot reported

Reported benchmarks

All published results in our dataset, with versions, evaluation settings, and sources.

All published benchmark reports for Claude Mythos Preview
BenchmarkScoreEvaluation setupSource
Humanity's Last ExamStable HLE — full setAccuracy · Higher is better56.8%subset: full · No toolsAnthropic ↗ (opens in a new tab)provider reported
Humanity's Last ExamStable HLE — full setAccuracy · Higher is better64.7%subset: full · Tools enabledAnthropic ↗ (opens in a new tab)provider reported