Qwen3.5 Flash vs GPT-4.1 Nano
Both have similar output pricing, while GPT-4.1 Nano offers a larger context window. Choose Qwen3.5 Flash or GPT-4.1 Nano based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Qwen3.5 Flash | GPT-4.1 Nano |
|---|---|---|
| Provider | Alibaba | OpenAI |
| Input / 1M tokens | $0.10 | $0.10 |
| Output / 1M tokens | $0.40 | $0.40 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Feb 2026 | Apr 2025 |
| LMArena (Chatbot Arena) Elo score | 1397 | 1285 |
| LMArena WebDev Elo score | 1243 | — |
| GPQA Diamond score | 82.3 | 48.9 |
| FrontierMath score | 6.2 | 1.0 |
| Epoch Capabilities Index score | 144 | 130 |
| Aider Polyglot score | — | 8.9 |
| LMArena Vision Elo score | — | 1063 |
FAQ
Is Qwen3.5 Flash or GPT-4.1 Nano cheaper?
Qwen3.5 Flash and GPT-4.1 Nano have comparable output pricing.
Which has the larger context window, Qwen3.5 Flash or GPT-4.1 Nano?
GPT-4.1 Nano has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.