tokevenClaudevsDeepSeek
Claude Opus 5 vs DeepSeek R1
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Opus 5
FlagshipDeepSeek R1
Mid-tierInput $/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
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 R1
Guidance
When to use Claude Opus 5 vs DeepSeek R1
Choose Claude Opus 5 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 5
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 5 instead of DeepSeek R1?
Claude Opus 5 and DeepSeek R1 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is DeepSeek R1 cheaper than Claude Opus 5?
Yes. DeepSeek R1 input costs $0.55/MTok vs $5.00/MTok for Claude Opus 5, saving 89% on input.
What are the context window sizes for Claude Opus 5 and DeepSeek R1?
Claude Opus 5 has a 1M token context window. DeepSeek R1 has a 128K 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 Opus 5 and DeepSeek R1 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.