DeepSeek R1 vs Claude Opus 4.8
Claude Opus 4.8 leads on benchmarks; DeepSeek R1 is cheaper to run, about 10.3× less.
Updated 2026-07-27
DeepSeek R1
DeepSeek · Open
88.2
Combined index
vs
Claude Opus 4.8
Anthropic · Closed
89.3
Combined index
Leads
Benchmarks
General knowledge (MMLU)
86.9
89.5
Coding
82.5
86
Math
95.1
92.4
API pricing
$0.55
Input / 1M
$5.0
$2.19
Output / 1M
$25.0
$21.95
Monthly, est.
$225.0
Monthly estimate assumes 20M input + 5M output tokens. Prices marked ~ are representative hosted rates for open-weight models and vary by provider. Run your own numbers in the cost calculator.