ClaudevsDeepSeek

Claude Opus 4.6 vs DeepSeek R1

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

Pricing

Side-by-side pricing

Claude Opus 4.6

Flagship

DeepSeek R1

Mid-tier
Input $/MTok
$5.00
$0.55
Output $/MTok
$25.00
$2.19
Cache discount
90% off
75% off
Context
1M
128K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
61
vs
0
Code Review
0
vs
0
Summarization
62
vs
0
Q&A
0
vs
0
Extraction
73
vs
0
Reasoning
89
vs
0
Classification
0
vs
0
Creative Writing
66
vs
0
Claude Opus 4.6
DeepSeek R1

Guidance

When to use Claude Opus 4.6 vs DeepSeek R1

Choose Claude Opus 4.6 when...

  • -You need a larger context window (1M vs 128K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose DeepSeek R1 when...

  • -Cost matters: 89% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Opus 4.6
DeepSeek R1
100K tokens
$1.10
$0.10Cheaper
1M tokens
$11.00
$1.04Cheaper
10M tokens
$110.00
$10.42Cheaper

FAQ

When should I use Claude Opus 4.6 instead of DeepSeek R1?

Claude Opus 4.6 and DeepSeek R1 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is DeepSeek R1 cheaper than Claude Opus 4.6?

Yes. DeepSeek R1 input costs $0.55/MTok vs $5.00/MTok for Claude Opus 4.6, saving 89% on input.

What are the context window sizes for Claude Opus 4.6 and DeepSeek R1?

Claude Opus 4.6 has a 1M token context window. DeepSeek R1 has a 128K token context window.

Track your real costs

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