Grok 4.6 and DeepSeek V4 Flash Latest are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Grok 4.6, from SpaceXAI, has a 500,000-token context window and is priced at $2/M tokens input, $6/M tokens output on OpenRouter.
DeepSeek V4 Flash Latest, from DeepSeek, has a 1,310,720-token context window and is priced at $0.04/M tokens input, $0.08/M tokens output on OpenRouter.