GPT-5.1 vs Qwen3.5 4B
25 SHARED BENCHMARKSAcross 25 shared benchmarks, GPT-5.1 scores higher on 23 and Qwen3.5 4B on 2. The widest gap is OmniScience Non-Hallucination, where GPT-5.1 scores 48.1 against 13.4. Qwen3.5 4B is the cheaper of the two on tracked API pricing ($0.03 against $1.25 per million input tokens).
OPENAIVSALIBABA25 SHARED23–2 HEAD-TO-HEAD
Best tracked score per model per benchmark (default configuration; source-attributed). ↓ marks lower-is-better metrics. Open either model for its full surface, provenance and pricing. Quoted rates are the price-setter row we currently track for each model — its direct or vendor-official listing where one exists (direct, direct), otherwise the lowest tracked offer.