Noometry

Anthropic, unknown

Claude Mythos Preview

Claude Mythos Preview by Anthropic has 2 published benchmark results on Noometry, not yet enough to be ranked.

Last verified

Noometry rank
Unranked
Index score
Not ranked
Evidence
Sparse 2 results
Provider
Anthropic
Released
April 7, 2026
Weights
Unknown
Reasoning
Unknown
Context window
—
Max output
—
Input price
Not listed
Output price
Not listed
Blended price
Not listed
Output speed
Not measured
Value
Not ranked
Knowledge cutoff
Unknown

Category scores

Each category score combines every public result we have in that category.

  1. Agentic & Tool Use 41.4
CategoryScoreRankResults
Agentic & Tool Use41.4—1

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Benchmark results

Every published result we track, with its source. Bold rows are the ones used for ranking; where several exist we prefer independent runs over self-reported numbers.

Agentic & Tool Use

BenchmarkScorePositionSettingSourceDate
ExploitBench73.8%Best of 9Epoch AI
METR Time Horizons85.2%Best of 32Epoch AI

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Frequently asked questions

How good is Claude Mythos Preview?

Claude Mythos Preview by Anthropic has 2 published benchmark results on Noometry, not yet enough to be ranked.

Is Claude Mythos Preview open source?

Anthropic has not published downloadable weights for Claude Mythos Preview that we can confirm.