~ / stacks / claude-code-opus-mythos

Claude Code + Opus Mythos

A CLI agent plus hosted coding model stack for deep terminal workflows and complex multi-step refactors.

AgentClaude Code
ModelOpus Mythos
Agent score86
Model SWE-bench93.9%
Combined score80.8
Best fitdeep terminal workflows and complex multi-step refactors

Related Claude Code stacks

Same agent, different model choices.

Claude Code + Opus 4.8

ARscore 76.2, 1M context, $5/$25

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Claude Code + Opus 4.7

ARscore 75.3, 1M context, $5/$30

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Claude Code + Sonnet 4.6

ARscore 68.5, 1M context, $2/$8

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Related Opus Mythos stacks

Same model, different agent wrappers.