DeepSeek V4 Pro 0813 and Inkling Small are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V4 Pro 0813, from DeepSeek, has a 1,048,576-token context window and is priced at $0.435/M tokens input, $0.87/M tokens output on OpenRouter.
Inkling Small, from thinkingmachines, has a 524,288-token context window and is priced at $0.45/M tokens input, $1.20/M tokens output on OpenRouter.