GPT-5.1 Chat vs Qwen3 Max: side-by-side summary

GPT-5.1 Chat and Qwen3 Max 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 Max, from Qwen, has a 262,144-token context window and is priced at $0.78/M tokens input, $3.90/M tokens output on OpenRouter.

Context window

• GPT-5.1 Chat: 128,000 tokens
• Qwen3 Max: 262,144 tokens

Price

• GPT-5.1 Chat: Pricing varies by provider
• Qwen3 Max: $0.78/M tokens input, $3.90/M tokens output

Provided by

• GPT-5.1 Chat: OpenAI
• Qwen3 Max: Qwen

• GPT-5.1 Chat model details, providers and pricing
• Qwen3 Max model details, providers and pricing