Compare GPT-5.1 Chat from OpenAI and Qwen3 Coder Plus 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 Coder Plus 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 Coder Plus, from Qwen, has a 1,000,000-token context window and is priced at $0.65/M tokens input, $3.25/M tokens output on OpenRouter.