E5-Base-v2 and Qwen3 30B A3B Thinking 2507 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
E5-Base-v2, from intfloat, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.
Qwen3 30B A3B Thinking 2507, from Qwen, has a 81,920-token context window and is priced at $0.20/M tokens input, $2.40/M tokens output on OpenRouter.