Compare GPT-5.1 Chat from OpenAI and Relace Apply 3 from relace 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 Relace Apply 3 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.
Relace Apply 3, from relace, has a 256,000-token context window and is priced at $0.85/M tokens input, $1.25/M tokens output on OpenRouter.