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A head-to-head benchmark comparison of Claude Mythos 5 across 4 evaluations.
Restricted-access Mythos-class model with Fable 5's capabilities and safeguards lifted, offered via Project Glasswing..
Full Claude Mythos 5 specs →| Benchmark | Claude Mythos 5 |
|---|---|
| agentic | |
| OSWorld-Verified | 85% |
| Terminal-Bench 2.1 | 84.3% |
| code | |
| SWE-bench Pro | 80% |
| SWE-bench Verified | 95% |
Best result per row highlighted in cyan. Each benchmark links to its definition and sources; each model links to its full scorecard.
Claude Mythos 5 has the strongest result on SWE-bench Pro among the models compared here. See the code-category rows in the table for the full picture.
This comparison covers 4 benchmarks on which at least one of the selected models has a published score.
Scores are aggregated from official model cards, technical reports and standard public evaluations, and link back to each benchmark's source. They are updated as new results are published.
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