tokevenClaudevsDeepSeek
Claude Haiku 4.5 vs DeepSeek Flash
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Haiku 4.5
Fast / BudgetDeepSeek Flash
Fast / BudgetInput $/MTok
$1.00
$0.15
Output $/MTok
$5.00
$0.60
Cache discount
90% off
98% off
Context
200K
1M
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
72
vs
0
Code Review
70
vs
0
Summarization
82
vs
0
Q&A
86
vs
0
Extraction
88
vs
0
Reasoning
65
vs
0
Classification
90
vs
0
Creative Writing
60
vs
0
Claude Haiku 4.5
DeepSeek Flash
Guidance
When to use Claude Haiku 4.5 vs DeepSeek Flash
Choose Claude Haiku 4.5 when...
- Similar performance; consider provider preference or ecosystem fit.
Choose DeepSeek Flash when...
- -Cost matters: 85% cheaper on input tokens
- -You need a larger context window (1M vs 200K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Haiku 4.5
DeepSeek Flash
100K tokens
$0.22
$0.03Cheaper
1M tokens
$2.20
$0.28Cheaper
10M tokens
$22.00
$2.85Cheaper
FAQ
When should I use Claude Haiku 4.5 instead of DeepSeek Flash?
Claude Haiku 4.5 and DeepSeek Flash perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is DeepSeek Flash cheaper than Claude Haiku 4.5?
Yes. DeepSeek Flash input costs $0.15/MTok vs $1.00/MTok for Claude Haiku 4.5, saving 85% on input.
What are the context window sizes for Claude Haiku 4.5 and DeepSeek Flash?
Claude Haiku 4.5 has a 200K token context window. DeepSeek 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 Claude Haiku 4.5 and DeepSeek 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.