Top score on 225 Exercism exercises across 6 languages. Uses high reasoning setting.

Second highest on Aider polyglot. High reasoning mode.

Third on Aider polyglot with 32k think budget.

Fourth on Aider polyglot leaderboard. Strong multi-language code editing.

Best open-weight Aider Polyglot score. 22x cheaper than GPT-5 per run. Evaluated by aider.chat leaderboard on 225 Exercism exercises.

32k thinking budget. Gap to GPT-5 highlights agentic coding is Anthropic weakness vs OpenAI.

Chat mode variant, 4 points below Reasoner mode. Cost-efficient at $0.88/run.