Qwen3.5 122B-A10B vs GPT-5.1-Codex-Mini
GPT-5.1-Codex-Mini is cheaper on output tokens, while GPT-5.1-Codex-Mini offers a larger context window. Choose Qwen3.5 122B-A10B 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 122B-A10B | GPT-5.1-Codex-Mini |
|---|---|---|
| Provider | Alibaba | OpenAI |
| Input / 1M tokens | $0.40 | $0.25 |
| Output / 1M tokens | $3.20 | $2.00 |
| Context window | 262K | 400K |
| Parameters | 122B | — |
| Open weights | Yes | No |
| Released | Feb 2026 | Nov 2025 |
| LMArena (Chatbot Arena) Elo score | 1417 | — |
| LMArena WebDev Elo score | 1361 | 1244 |
| LMArena Vision Elo score | 1245 | — |
| LiveBench score | — | 60.8 |
FAQ
Is Qwen3.5 122B-A10B or GPT-5.1-Codex-Mini cheaper?
GPT-5.1-Codex-Mini is cheaper on output tokens ($2.00 vs $3.20 per 1M).
Which has the larger context window, Qwen3.5 122B-A10B 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.