GPT-5.1-Codex-Mini vs Qwen3.6 Plus
Qwen3.6 Plus is cheaper on output tokens, while Qwen3.6 Plus offers a larger context window. Choose GPT-5.1-Codex-Mini or Qwen3.6 Plus based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.1-Codex-Mini | Qwen3.6 Plus |
|---|---|---|
| Provider | OpenAI | Qwen |
| Input / 1M tokens | $0.25 | $0.33 |
| Output / 1M tokens | $2.00 | $1.95 |
| Context window | 400K | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Nov 2025 | Apr 2026 |
| LiveBench score | 60.8 | 70.8 |
| LMArena WebDev Elo score | 1243 | 1461 |
| LMArena (Chatbot Arena) Elo score | — | 1436 |
| GPQA Diamond score | — | 88.4 |
| FrontierMath score | — | 26.2 |
| Epoch Capabilities Index score | — | 147 |
FAQ
Is GPT-5.1-Codex-Mini or Qwen3.6 Plus cheaper?
Qwen3.6 Plus is cheaper on output tokens ($1.95 vs $2.00 per 1M).
Which has the larger context window, GPT-5.1-Codex-Mini or Qwen3.6 Plus?
Qwen3.6 Plus 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.