Quick Take

Qwen3.7 Max (released May 19, 2026) and GPT-5.5 (xhigh) (released April 23, 2026) represent the latest advancements from Alibaba and OpenAI, respectively. While GPT-5.5 (xhigh) holds a higher intelligence and coding index, Qwen3.7 Max distinguishes itself through a zero-cost pricing structure and strong performance in specific benchmark categories.

Benchmark Read

Comparing the two models reveals distinct strengths. GPT-5.5 (xhigh) outperforms Qwen3.7 Max in the Intelligence Index (60.2 vs 56.6) and Coding Index (59.1 vs 50.1). This lead is reflected in benchmark scores: GPT-5.5 (xhigh) leads in GPQA (0.935 vs 0.923), HLE (0.443 vs 0.381), SciCode (0.561 vs 0.488), LCR (0.743 vs 0.69), and TerminalBench Hard (0.606 vs 0.508).

Conversely, Qwen3.7 Max demonstrates superior performance in IFBench (0.805 vs 0.759) and TAU2 (0.947 vs 0.939), suggesting it may be more effective for complex instruction following and specific agentic tasks.

Cost and Speed

Pricing is the most significant differentiator. Qwen3.7 Max is available at $0.00/1M tokens for both input and output, making it a highly accessible option. In contrast, GPT-5.5 (xhigh) carries a blended cost of $11.25/1M tokens, with input at $5.00 and output at $30.00.

Regarding performance metrics, GPT-5.5 (xhigh) provides an output speed of 60.513 tok/s with a time to first token of 45.731s. Corresponding speed metrics for Qwen3.7 Max are currently unknown.

Best Fit

GPT-5.5 (xhigh) is best suited for enterprise-grade applications where maximum intelligence and coding proficiency are required, and the cost of API usage is justified by performance gains. Qwen3.7 Max is the ideal choice for developers, researchers, and organizations looking to integrate high-performance AI without incurring usage fees, particularly for tasks involving complex instruction following.