deepseek-v4-pro vs deepseek-v4-flash

Side-by-side comparison of deepseek-v4-pro and deepseek-v4-flash: benchmarks, pricing, context window and capabilities. Both are accessible through Requesty's unified API. deepseek-v4-pro outperforms deepseek-v4-flash on 3 of 5 shared benchmarks.

Benchmark comparison

Intelligence Indexreasoning
deepseek-v4-pro53.0%
deepseek-v4-flash51.8%
Coding Indexcoding
deepseek-v4-pro68.8%
deepseek-v4-flash69.1%
GPQA Diamondreasoning
deepseek-v4-pro92.8%
deepseek-v4-flash90.8%
SciCodecoding
deepseek-v4-pro49.2%
deepseek-v4-flash49.9%
Humanity's Last Examreasoning
deepseek-v4-pro39.3%
deepseek-v4-flash38.6%

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-prodeepseek-v4-flash
Input price / 1M$1.74$0.14
Output price / 1M$3.48$0.28
Context window1M tokens1.0M tokens
Max output131K tokensN/A
Vision inputN/AN/A
Tool callingYesYes
ReasoningYesYes
Prompt cachingYesN/A
Computer useN/AN/A
ProviderFireworks AINovita AI

Questions people ask

Is deepseek-v4-pro better than deepseek-v4-flash?
deepseek-v4-pro outperforms deepseek-v4-flash on 3 of 5 shared benchmarks. See the benchmark comparison above for specifics: deepseek-v4-pro and deepseek-v4-flash have different strengths across reasoning, coding, math and multimodal tasks.
Which is cheaper, deepseek-v4-pro or deepseek-v4-flash?
deepseek-v4-flash is cheaper. deepseek-v4-pro costs $1.74/$3.48 per 1M input/output tokens, while deepseek-v4-flash costs $0.14/$0.28.
Can I use deepseek-v4-pro and deepseek-v4-flash through the same API?
Yes. Requesty provides a single OpenAI-compatible API that routes to both. Change just the "model" parameter to switch between "fireworks/deepseek-v4-pro" and "novita/deepseek/deepseek-v4-flash", no other code changes needed.
What are the context windows?
deepseek-v4-pro supports up to 1M tokens of context. deepseek-v4-flash supports up to 1.0M 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-pro and deepseek-v4-flash with one line of code

Requesty provides a single OpenAI-compatible API for 600+ models. Change the model parameter, not your code.