DeepSeek V4 Flash — 1M context, thinking and non-thinking modes; see DeepSeek pricing/docs for current capabilities.
Model details →DeepSeek V4 Flash vs DeepSeek V4 Pro
DeepSeek V4 Flash and DeepSeek V4 Pro are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
DeepSeek V4 Pro — flagship API tier with discounts published on DeepSeek pricing page; verify live rates before billing.
Model details →Side-by-side comparison
| Capability | DeepSeek V4 Flash | DeepSeek V4 Pro | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1M | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | Custom | Custom | — |
| Output price (per 1M) Cost per million output tokens billed by the provider. | Custom | Custom | — |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is DeepSeek V4 Flash better than DeepSeek V4 Pro?
DeepSeek V4 Flash and DeepSeek V4 Pro are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between DeepSeek V4 Flash and DeepSeek V4 Pro?
Input: Custom vs Custom per 1M tokens. Output: Custom vs Custom per 1M tokens.
What context windows do DeepSeek V4 Flash and DeepSeek V4 Pro support?
DeepSeek V4 Flash supports up to 1M tokens. DeepSeek V4 Pro supports up to 1M tokens.
Do both DeepSeek V4 Flash and DeepSeek V4 Pro support tool calling?
DeepSeek V4 Flash: not advertised. DeepSeek V4 Pro: not advertised.