Claude mythos 5 vs opus 4.8
Anthropic, LLM, Model Comparison

Claude Mythos 5 vs Claude Opus 4.8: Is the Upgrade Worth Waiting For?

Claude Mythos scores 93.9% on SWE-bench Verified and ships with a 1M token context window — but it costs 5x more than Opus 4.8 and is not publicly available yet. Here is what the upgrade actually means for developers, and when it is worth waiting for.