Kimi K3 and DeepSeek V4 Pro 0423 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Kimi K3, from moonshotai, has a 1,048,576-token context window and is priced at $2.80/M tokens input, $14/M tokens output on OpenRouter.
DeepSeek V4 Pro 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.645/M tokens input, $1.29/M tokens output on OpenRouter.