token.app › Compare › R1 0528 vs Claude Opus 5

R1 0528 vs Claude Opus 5

R1 0528 is 11× cheaper per token on a blended 3:1 basis. Claude Opus 5 accepts the larger context window (1M).

Head to head
Blended price uses a 3:1 input:output mix
R1 0528Claude Opus 5
ProviderDeepSeekAnthropic
Input $/1M$0.500$5.00
Output $/1M$2.15$25.00
Blended $/1M$0.912$10.00
Context window164K1M
Max output33K128K
ReleasedMay 2025Jul 2026
LicenceOpen weightsProprietary
Choose R1 0528 if…
  • Costs less per token — $0.912 vs $10.00 blended
  • Open weights — self-hostable
Choose Claude Opus 5 if…
  • Larger context window (1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, R1 0528 or Claude Opus 5?
We do not hold independently-run benchmark scores covering both R1 0528 and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is R1 0528 cheaper than Claude Opus 5?
R1 0528 is cheaper: $0.912 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.500 vs $5.00. Output alone: $2.15 vs $25.00.
What context windows do R1 0528 and Claude Opus 5 have?
R1 0528: 163,840 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes R1 0528 and Claude Opus 5?
R1 0528 is made by DeepSeek. Claude Opus 5 is made by Anthropic.
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