tokevenDeepSeekvsAlibaba (Qwen)
DeepSeek V4 Pro vs Qwen 3.8 Flash
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
DeepSeek V4 Pro
FlagshipQwen 3.8 Flash
Fast / BudgetInput $/MTok
$0.66
$0.15
Output $/MTok
$1.98
$0.47
Cache discount
97% off
89% 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 V4 Pro
Qwen 3.8 Flash
Guidance
When to use DeepSeek V4 Pro vs Qwen 3.8 Flash
Choose DeepSeek V4 Pro when...
- Similar performance; consider provider preference or ecosystem fit.
Choose Qwen 3.8 Flash when...
- -Cost matters: 77% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
DeepSeek V4 Pro
Qwen 3.8 Flash
100K tokens
$0.11
$0.02Cheaper
1M tokens
$1.06
$0.25Cheaper
10M tokens
$10.56
$2.46Cheaper
FAQ
When should I use DeepSeek V4 Pro instead of Qwen 3.8 Flash?
DeepSeek V4 Pro and Qwen 3.8 Flash perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Qwen 3.8 Flash cheaper than DeepSeek V4 Pro?
Yes. Qwen 3.8 Flash input costs $0.15/MTok vs $0.66/MTok for DeepSeek V4 Pro, saving 77% on input.
What are the context window sizes for DeepSeek V4 Pro and Qwen 3.8 Flash?
DeepSeek V4 Pro has a 1M token context window. Qwen 3.8 Flash 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 V4 Pro and Qwen 3.8 Flash 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.