Quick Take

Qwen3.7 Plus (released June 1, 2026) and Claude Opus 4.8 (released May 28, 2026) represent the latest advancements from Alibaba and Anthropic. While Claude Opus 4.8 leads in raw intelligence and coding benchmarks, Qwen3.7 Plus distinguishes itself through aggressive pricing and rapid response times.

Benchmark Read

Claude Opus 4.8 maintains a lead across most performance metrics. Its Intelligence index sits at 61.4 compared to Qwen3.7 Plus's 53.3. In coding, Claude Opus 4.8 scores 56.7 against Qwen's 46.5.

Specific benchmark performance is as follows:

• GPQA: Claude Opus 4.8 (0.92) vs. Qwen3.7 Plus (0.9)
• HLE: Claude Opus 4.8 (0.457) vs. Qwen3.7 Plus (0.334)
• SciCode: Claude Opus 4.8 (0.535) vs. Qwen3.7 Plus (0.455)
• TerminalBench Hard: Claude Opus 4.8 (0.583) vs. Qwen3.7 Plus (0.470)
• TAU2: Claude Opus 4.8 (0.944) vs. Qwen3.7 Plus (0.930)

Interestingly, Qwen3.7 Plus outperforms Claude Opus 4.8 on the IFBench metric, scoring 0.779 compared to Claude's 0.622, suggesting better adherence to complex instructions.

Cost and Speed

The most significant differentiator is the cost structure. Claude Opus 4.8 carries a blended cost of $10.94 per 1M tokens, whereas Qwen3.7 Plus is significantly more affordable at $0.59 per 1M tokens.

Regarding latency, Qwen3.7 Plus is vastly more responsive for real-time applications, boasting a time-to-first-token of 1.312s compared to the 15.146s required by Claude Opus 4.8. Both models offer similar output speeds, with Claude Opus 4.8 at 55.276 tok/s and Qwen3.7 Plus at 53.702 tok/s.

Best Fit

Claude Opus 4.8 is best suited for high-stakes reasoning, complex coding projects, and tasks where accuracy is paramount and latency is secondary. Qwen3.7 Plus is the ideal candidate for high-volume API integrations, real-time agentic workflows, and budget-conscious development environments.