DeepSeek V4 Flash — 1M context, thinking and non-thinking modes; see DeepSeek pricing/docs for current capabilities.
Model details →DeepSeek V4 Flash vs o1
DeepSeek V4 Flash wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
Reasoning-focused model for complex planning and math tasks.
Model details →Side-by-side comparison
| Capability | DeepSeek V4 Flash | o1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 200K | 🏆 DeepSeek V4 Flash |
| 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 o1?
DeepSeek V4 Flash wins on 1 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between DeepSeek V4 Flash and o1?
Input: Custom vs Custom per 1M tokens. Output: Custom vs Custom per 1M tokens.
What context windows do DeepSeek V4 Flash and o1 support?
DeepSeek V4 Flash supports up to 1M tokens. o1 supports up to 200K tokens.
Do both DeepSeek V4 Flash and o1 support tool calling?
DeepSeek V4 Flash: not advertised. o1: not advertised.