DeepSeek
Models published by DeepSeek, available through the AnyRouter API. Each can route across multiple upstream providers for availability and price.
DeepSeek's flagship reasoning model with chain-of-thought. Strong math, coding, and complex problem solving.
DeepSeek V3.1 is a hybrid reasoning model from DeepSeek with a 131,072-token context window, strong coding and agentic tool-use performance. Served free through SambaNova Cloud's fast RDU inference and SiliconFlow.
671B MoE general-purpose model with strong multilingual, coding, and reasoning performance.
Fast and cheap DeepSeek-V4 MoE variant via SiliconFlow free tier for high-throughput chat and coding.
DeepSeek V4 Pro is a high-capability reasoning model from DeepSeek with a 1M-token context window on Workers AI, plus BYOK routes for other hosts.
DeepSeek V4.1 Flash is the cost-efficient sparse MoE tier of the V4.1 family (1M context, vision in, text out). Official API id is `deepseek-flash`; OpenRouter lists the same product as `deepseek/deepseek-v4.1-flash`.