deepseek-v4-flash vs deepseek-v4-pro
Side-by-side comparison of deepseek-v4-flash and deepseek-v4-pro: benchmarks, pricing, context window and capabilities. Both are accessible through Requesty's unified API. deepseek-v4-pro outperforms deepseek-v4-flash on 6 of 7 shared benchmarks.
deepseek-v4-flash
Input / 1M
$0.14
Output / 1M
$0.28
Context
1M
Model ID
deepseek/deepseek-v4-flash
deepseek-v4-pro
Input / 1M
$0.43
Output / 1M
$0.87
Context
1M
Model ID
deepseek/deepseek-v4-pro
Benchmark comparison
Intelligence Indexreasoning
deepseek-v4-flash46.5%
deepseek-v4-pro51.5%
Coding Indexcoding
deepseek-v4-flash38.7%
deepseek-v4-pro47.5%
GPQA Diamondreasoning
deepseek-v4-flash89.4%
deepseek-v4-pro88.8%
Terminal-Bench Hardagentic
deepseek-v4-flash35.6%
deepseek-v4-pro46.2%
τ²-Benchagentic
deepseek-v4-flash95.0%
deepseek-v4-pro96.2%
SciCodecoding
deepseek-v4-flash44.9%
deepseek-v4-pro50.0%
Humanity's Last Examreasoning
deepseek-v4-flash32.1%
deepseek-v4-pro35.9%
Scores sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and don't capture every aspect of model quality.
Pricing & specifications
| deepseek-v4-flash | deepseek-v4-pro | |
|---|---|---|
| Input price / 1M | $0.14 | $0.43 |
| Output price / 1M | $0.28 | $0.87 |
| Context window | 1M tokens | 1M tokens |
| Max output | 384K tokens | 384K tokens |
| Vision input | N/A | N/A |
| Tool calling | Yes | Yes |
| Reasoning | N/A | N/A |
| Prompt caching | Yes | Yes |
| Computer use | N/A | N/A |
| Provider | DeepSeek | DeepSeek |
Questions people ask
Is deepseek-v4-flash better than deepseek-v4-pro?
deepseek-v4-pro outperforms deepseek-v4-flash on 6 of 7 shared benchmarks. See the benchmark comparison above for specifics: deepseek-v4-flash and deepseek-v4-pro have different strengths across reasoning, coding, math and multimodal tasks.
Which is cheaper, deepseek-v4-flash or deepseek-v4-pro?
deepseek-v4-flash is cheaper. deepseek-v4-flash costs $0.14/$0.28 per 1M input/output tokens, while deepseek-v4-pro costs $0.43/$0.87.
Can I use deepseek-v4-flash and deepseek-v4-pro through the same API?
Yes. Requesty provides a single OpenAI-compatible API that routes to both. Change just the "model" parameter to switch between "deepseek/deepseek-v4-flash" and "deepseek/deepseek-v4-pro", no other code changes needed.
What are the context windows?
deepseek-v4-flash supports up to 1M tokens of context. deepseek-v4-pro supports up to 1M tokens. Longer context means you can feed larger documents or codebases in a single prompt, though quality often degrades past 128K for most models.
Switch between deepseek-v4-flash and deepseek-v4-pro with one line of code
Requesty provides a single OpenAI-compatible API for 400+ models. Change the model parameter, not your code.
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