The e2e roles move to qwen3.8-27b-nothink, a LiteLLM alias for the same model with chat_template_kwargs enable_thinking false. With thinking, a growing share of answers ran to 2-8k tokens (two hit the 8192 cap), which took one test from 3.5 to 20 minutes. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PPQ14L3LikyefCMFBqEbKE