bge-base-en-v1.5 and Qwen3 Coder Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
bge-base-en-v1.5, from baai, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.
Qwen3 Coder Flash, from Qwen, has a 1,000,000-token context window and is priced at $0.195/M tokens input, $0.975/M tokens output on OpenRouter.