tokevenGeminivsDeepSeek
Gemini 3.8 Flash vs DeepSeek V4 Pro
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Gemini 3.8 Flash
Fast / BudgetDeepSeek V4 Pro
FlagshipInput $/MTok
$0.75
$0.66
Output $/MTok
$3.75
$1.98
Cache discount
90% off
97% off
Context
1.0M
1M
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
62
vs
0
Code Review
0
vs
0
Summarization
81
vs
0
Q&A
0
vs
0
Extraction
71
vs
0
Reasoning
89
vs
0
Classification
0
vs
0
Creative Writing
83
vs
0
Gemini 3.8 Flash
DeepSeek V4 Pro
Guidance
When to use Gemini 3.8 Flash vs DeepSeek V4 Pro
Choose Gemini 3.8 Flash when...
- -You need a larger context window (1.0M vs 1M)
- Similar performance; consider provider preference or ecosystem fit.
Choose DeepSeek V4 Pro when...
- -Cost matters: 12% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Gemini 3.8 Flash
DeepSeek V4 Pro
100K tokens
$0.16
$0.11Cheaper
1M tokens
$1.65
$1.06Cheaper
10M tokens
$16.50
$10.56Cheaper
FAQ
When should I use Gemini 3.8 Flash instead of DeepSeek V4 Pro?
Gemini 3.8 Flash and DeepSeek V4 Pro perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is DeepSeek V4 Pro cheaper than Gemini 3.8 Flash?
Yes. DeepSeek V4 Pro input costs $0.66/MTok vs $0.75/MTok for Gemini 3.8 Flash, saving 12% on input.
What are the context window sizes for Gemini 3.8 Flash and DeepSeek V4 Pro?
Gemini 3.8 Flash has a 1.0M 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 Gemini 3.8 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.