Qwen3.5 35B-A3B vs GPT-5.1-Codex-Mini
Both have similar output pricing, while GPT-5.1-Codex-Mini offers a larger context window. Choose Qwen3.5 35B-A3B or GPT-5.1-Codex-Mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Qwen3.5 35B-A3B | GPT-5.1-Codex-Mini |
|---|---|---|
| Provider | Alibaba | OpenAI |
| Input / 1M tokens | $0.25 | $0.25 |
| Output / 1M tokens | $2.00 | $2.00 |
| Context window | 262K | 400K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Feb 2026 | Nov 2025 |
| GPQA Diamond score | 83.5 | — |
| Epoch Capabilities Index score | 142 | — |
| LMArena (Chatbot Arena) Elo score | 1395 | — |
| LMArena WebDev Elo score | 1254 | 1243 |
| LiveBench score | — | 60.8 |
FAQ
Is Qwen3.5 35B-A3B or GPT-5.1-Codex-Mini cheaper?
Qwen3.5 35B-A3B and GPT-5.1-Codex-Mini have comparable output pricing.
Which has the larger context window, Qwen3.5 35B-A3B or GPT-5.1-Codex-Mini?
GPT-5.1-Codex-Mini has the larger context window (400K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.