Compare GPT-5.1 Chat from OpenAI and Qwen3 Next 80B A3B Instruct 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.


GPT-5.1 Chat and Qwen3 Next 80B A3B Instruct are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
GPT-5.1 Chat, from OpenAI, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.
Qwen3 Next 80B A3B Instruct, from Qwen, has a 262,144-token context window and is priced at $0.09/M tokens input, $1.10/M tokens output on OpenRouter.
| Attribute | GPT-5.1 Chat | Qwen3 Next 80B A3B Instruct |
|---|---|---|
| Input price | Pricing varies by provider | $0.09/M tokens |
| Output price | Pricing varies by provider | $1.10/M tokens |
| Context window | 128,000 tokens | 262,144 tokens |
| Intelligence Index | Not available | 9.6 |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | Not available | 0.71 s |
| Throughput (p50) | Not available | 66.0 tok/s |
Benchmark data updated
Qwen3 Next 80B A3B Instruct has the longer context window at 262,144 tokens, compared with 128,000 tokens for GPT-5.1 Chat.