ClaudevsDeepSeek

Claude Opus 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 Opus 5

Flagship

DeepSeek V4 Pro

Flagship
Input $/MTok
$5.00
$0.66
Output $/MTok
$25.00
$1.98
Cache discount
90% 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
72
vs
0
Code Review
0
vs
0
Summarization
65
vs
0
Q&A
0
vs
0
Extraction
73
vs
0
Reasoning
91
vs
0
Classification
0
vs
0
Creative Writing
61
vs
0
Claude Opus 5
DeepSeek V4 Pro

Guidance

When to use Claude Opus 5 vs DeepSeek V4 Pro

Choose Claude Opus 5 when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose DeepSeek V4 Pro when...

  • -Cost matters: 87% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Opus 5
DeepSeek V4 Pro
100K tokens
$1.10
$0.11Cheaper
1M tokens
$11.00
$1.06Cheaper
10M tokens
$110.00
$10.56Cheaper

FAQ

When should I use Claude Opus 5 instead of DeepSeek V4 Pro?

Claude Opus 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 Opus 5?

Yes. DeepSeek V4 Pro input costs $0.66/MTok vs $5.00/MTok for Claude Opus 5, saving 87% on input.

What are the context window sizes for Claude Opus 5 and DeepSeek V4 Pro?

Claude Opus 5 has a 1M 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.