# Claude Opus 4 — most capable, highest cost # Via OpenRouter (set OPENROUTER_API_KEY in .env) # To use Anthropic directly, change to: anthropic/claude-opus-4-20250514 model: model_name: "openrouter/anthropic/claude-opus-4" cost_tracking: "ignore_errors" model_kwargs: max_tokens: 16384 temperature: 0