ClaudevsDeepSeek

Claude Haiku 4.5 vs DeepSeek V4 Pro

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

Claude Haiku 4.5

Fast / Budget

DeepSeek V4 Pro

Flagship
Input $/MTok
$1.00
$0.66
Output $/MTok
$5.00
$1.98
Cache discount
90% off
97% 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 V4 Pro

Guidance

When to use Claude Haiku 4.5 vs DeepSeek V4 Pro

Choose Claude Haiku 4.5 when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose DeepSeek V4 Pro when...

  • -Cost matters: 34% 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 V4 Pro
100K tokens
$0.22
$0.11Cheaper
1M tokens
$2.20
$1.06Cheaper
10M tokens
$22.00
$10.56Cheaper

FAQ

When should I use Claude Haiku 4.5 instead of DeepSeek V4 Pro?

Claude Haiku 4.5 and DeepSeek V4 Pro perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is DeepSeek V4 Pro cheaper than Claude Haiku 4.5?

Yes. DeepSeek V4 Pro input costs $0.66/MTok vs $1.00/MTok for Claude Haiku 4.5, saving 34% on input.

What are the context window sizes for Claude Haiku 4.5 and DeepSeek V4 Pro?

Claude Haiku 4.5 has a 200K token context window. DeepSeek V4 Pro has a 1M token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.