Inkling and DeepSeek V4 Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Inkling, from thinkingmachines, has a 1,048,576-token context window and is priced at $0.95/M tokens input, $4.05/M tokens output on OpenRouter.
DeepSeek V4 Pro, from DeepSeek, has a 1,048,576-token context window and is priced at $0.348/M tokens input, $0.696/M tokens output on OpenRouter.