DeepSeek V4 Flash Vision Exp and Ling 3.0 Flash Fin are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V4 Flash Vision Exp, from DeepSeek, has a 1,048,576-token context window and is priced at $0.22/M tokens input, $0.66/M tokens output on OpenRouter.
Ling 3.0 Flash Fin, from inclusionai, has a 262,144-token context window and is priced by the provider serving it on OpenRouter.