Compare Nemotron Nano 9B V2 from Nvidia and GPT-5.1-Codex-Mini from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
Nemotron Nano 9B V2 and GPT-5.1-Codex-Mini are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Nemotron Nano 9B V2, from Nvidia, has a 32,000-token context window and is priced by the provider serving it on OpenRouter.
GPT-5.1-Codex-Mini, from OpenAI, has a 400,000-token context window and is priced at $0.25/M tokens input, $2/M tokens output on OpenRouter.