DeepSeek-V4-Flash vs DeepSeek Reasoner
Side-by-side comparison of pricing and capabilities
DeepSeek-V4-Flash
DeepSeek Reasoner
Input Price Comparison
| Attribute | DeepSeek-V4-Flash | DeepSeek Reasoner |
|---|---|---|
| Provider | DeepSeek | DeepSeek |
| Input Price | $0.14 /1M tokens | $0.55 /1M tokens |
| Output Price | $0.28 /1M tokens | $2.19 /1M tokens |
| Cached Input | $0.028 /1M tokens | $0.055 /1M tokens |
| Context Window | 128K | 128K |
| Type | chat | reasoning |
| Status | current | current |
Capability Comparison
| Capability | DeepSeek-V4-Flash | DeepSeek Reasoner |
|---|---|---|
| coding | ||
| reasoning | ||
| multilingual |
Which should you choose?
Budget-conscious: DeepSeek-V4-Flash is 75% cheaper on input tokens ($0.14 vs $0.55 per 1M tokens).
Context-heavy tasks: Both models offer the same context window size.
Capability fit: DeepSeek-V4-Flash supports 3 capabilities (coding, reasoning, multilingual), while DeepSeek Reasoner supports 2 (reasoning, coding).
Frequently Asked Questions
Which is cheaper: DeepSeek-V4-Flash or DeepSeek Reasoner?
DeepSeek-V4-Flash costs $0.14/1M input vs DeepSeek Reasoner at $0.55/1M input. DeepSeek-V4-Flash is 75% cheaper on input tokens.
How do output prices compare between DeepSeek-V4-Flash and DeepSeek Reasoner?
DeepSeek-V4-Flash output: $0.28/1M, DeepSeek Reasoner output: $2.19/1M. DeepSeek-V4-Flash is more economical for generation-heavy workloads.
What is DeepSeek-V4-Flash best used for?
DeepSeek-V4-Flash is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is DeepSeek Reasoner best used for?
DeepSeek Reasoner is suited for complex reasoning, analysis, and tasks that benefit from its reasoning and coding capabilities.