DeepSeek V3.2 Exp and Gemini 2.5 Flash Lite are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V3.2 Exp, from DeepSeek, has a 163,840-token context window and is priced at $0.27/M tokens input, $0.41/M tokens output on OpenRouter.
Gemini 2.5 Flash Lite, from Google, has a 1,048,576-token context window and is priced at $0.10/M tokens input, $0.40/M tokens output on OpenRouter.