Verdict
Built from the measurements below
- Accuracy is too close to call: Qwen3.7 Plus scored 60.0% and Qwen3 Coder Next 62.5% on the same 80 questions, a gap within what chance alone could produce.
- Qwen3 Coder Next is 1.9× cheaper per question as billed ($0.0017 vs $0.0033), reasoning tokens included.
- Qwen3 Coder Next generates text 1.7× faster: 106 tokens per second against 62.
- Qwen3 Coder Next starts answering sooner: 0.4 s to the first token, against 1.1 s for Qwen3.7 Plus.
- Qwen3.7 Plus accepts more context: 1M tokens against 262k.
Which should you choose?
Choose Qwen3.7 Plus for a 1M-token context window. Choose Qwen3 Coder Next for the lower cost per correct answer ($0.0027 against $0.0054), faster streaming, a quicker first token and open weights you can run yourself.
Accuracy gap -2.5 points (z = -0.32). We call a winner only when z is at least 1.96, the usual 95% threshold. Speed, latency and price need a 10% margin.