LFM2.5-Embedding-350M and Embed V1 4B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
LFM2.5-Embedding-350M, from Liquid, has a 512-token context window and is priced by the provider serving it on OpenRouter.
Embed V1 4B, from Perplexity, has a 32,000-token context window and is priced at $0.03/M tokens on OpenRouter.