GPT-5.1 Chat vs MiMo-V2-Flash: side-by-side summary

GPT-5.1 Chat and MiMo-V2-Flash 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.

MiMo-V2-Flash, from Xiaomi, has a 262,144-token context window and is priced by the provider serving it on OpenRouter.

Context window

• GPT-5.1 Chat: 128,000 tokens
• MiMo-V2-Flash: 262,144 tokens

Price

• GPT-5.1 Chat: Pricing varies by provider
• MiMo-V2-Flash: Pricing varies by provider

Provided by

• GPT-5.1 Chat: OpenAI
• MiMo-V2-Flash: Xiaomi

• GPT-5.1 Chat model details, providers and pricing
• MiMo-V2-Flash model details, providers and pricing