May 2, 2026 AI Engineering
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Qwen 3.6 vs GPT-5.5: Open Weights Challenger vs Closed Frontier for Agentic Code in May 2026
Alibaba's Qwen3.6-Max-Preview claims the top spot on six major coding and agent benchmarks. OpenAI's GPT-5.5 holds the highest independently published Terminal-Bench 2.0 score at 82.7%. Qwen3.6-Plus output is 15x cheaper. Here is how to route between them.
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