Compare GPT-5.1-Codex from OpenAI and Qwen3 Max Thinking from Qwen on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.


| Attribute | GPT-5.1-Codex | Qwen3 Max Thinking |
|---|---|---|
| Input price | $1.25/M tokens | Pricing varies by provider |
| Output price | $10/M tokens | Pricing varies by provider |
| Context window | 400,000 tokens | 262,144 tokens |
| Intelligence Index | Not available | Not available |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 2.24 s | Not available |
| Throughput (p50) | 61.0 tok/s | Not available |
| Provided by | OpenAI | Qwen |
| Model page | GPT-5.1-Codex model details, providers and pricing | Qwen3 Max Thinking model details, providers and pricing |
Benchmark data updated
GPT-5.1-Codex has the longer context window at 400,000 tokens, compared with 262,144 tokens for Qwen3 Max Thinking.