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Production-ready models optimized for performance and cost. Deploy in seconds via our unified API.

DeepSeek V4.1 Flash is built for fast coding, software-engineering agents and high-volume agentic workloads that still require strong reasoning. It is a good fit for terminal automation, code debugging, tool calling, research agents, document or screenshot analysis, and long-running workflows that repeatedly reuse context. For new DeepSeek Flash integrations, V4.1 is the newer multimodal generation and should normally replace the original V4 Flash.

deepseek-ai/DeepSeek-V4.1-Flash
$0.300Input
$1.100Output
per 1M tokens

DeepSeek V4 Flash is the speed-oriented DeepSeek V4 model for coding, reasoning and long-context agent workflows. It works well for code generation, repository analysis, automated research and tool-driven applications where throughput matters and the heavier Pro model is unnecessary. For new applications that need image understanding or DeepSeek's latest Flash capabilities, use V4.1 Flash instead.

deepseek-ai/DeepSeek-V4-Flash
$0.140Input
$0.300Output
per 1M tokens

DeepSeek V4 Pro is the higher-compute V4 model for difficult reasoning, complex coding and knowledge-intensive agent workflows. Use it for architecture work, hard debugging, technical analysis and multi-step problems where you are willing to trade higher inference cost for deeper reasoning. For many newer workloads, also compare it with V4.1 Flash, which DeepSeek now positions as its newer high-efficiency option.

deepseek-ai/DeepSeek-V4-Pro
$1.480Input
$3.400Output
per 1M tokens