Compare FLUX.2 Klein 4B from black-forest-labs and LFM2.5-1.2B-Thinking from Liquid on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
FLUX.2 Klein 4B and LFM2.5-1.2B-Thinking are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
FLUX.2 Klein 4B, from black-forest-labs, has a 40,960-token context window and is priced at $0.014/megapixel on OpenRouter.
LFM2.5-1.2B-Thinking, from Liquid, has a 32,768-token context window and is priced by the provider serving it on OpenRouter.