tokevenDeepSeekvsDeepSeek
DeepSeek Flash vs DeepSeek V4 Pro
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
DeepSeek Flash
Fast / BudgetDeepSeek V4 Pro
FlagshipInput $/MTok
$0.15
$0.66
Output $/MTok
$0.60
$1.98
Cache discount
98% off
97% off
Context
1M
1M
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
DeepSeek Flash
DeepSeek V4 Pro
Guidance
When to use DeepSeek Flash vs DeepSeek V4 Pro
Choose DeepSeek Flash when...
- -Cost matters: 77% cheaper on input tokens
Choose DeepSeek V4 Pro when...
- Similar performance; consider provider preference or ecosystem fit.
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
DeepSeek Flash
DeepSeek V4 Pro
100K tokens
$0.03Cheaper
$0.11
1M tokens
$0.28Cheaper
$1.06
10M tokens
$2.85Cheaper
$10.56
FAQ
When should I use DeepSeek Flash instead of DeepSeek V4 Pro?
DeepSeek Flash and DeepSeek V4 Pro perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is DeepSeek V4 Pro cheaper than DeepSeek Flash?
DeepSeek V4 Pro input costs $0.66/MTok, which is 340% more than DeepSeek Flash at $0.15/MTok.
What are the context window sizes for DeepSeek Flash and DeepSeek V4 Pro?
DeepSeek Flash has a 1M token context window. DeepSeek V4 Pro has a 1M token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How DeepSeek Flash and DeepSeek V4 Pro stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.