bge-large-en-v1.5 and DeepSeek V3.1 Terminus are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
bge-large-en-v1.5, from baai, has a 512-token context window and is priced at $0.01/M tokens on OpenRouter.
DeepSeek V3.1 Terminus, from DeepSeek, has a 163,840-token context window and is priced at $0.27/M tokens input, $1/M tokens output on OpenRouter.