Compare LFM2.5-1.2B-Instruct from Liquid and GPT-5.1 Chat 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.
LFM2.5-1.2B-Instruct and GPT-5.1 Chat are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
LFM2.5-1.2B-Instruct, from Liquid, has a 32,768-token context window and is priced by the provider serving it on OpenRouter.
GPT-5.1 Chat, from OpenAI, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.