token.app › Compare › DeepSeek V4 Flash 0423 vs Claude Opus 5

DeepSeek V4 Flash 0423 vs Claude Opus 5

DeepSeek V4 Flash 0423 is 57× cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash 0423 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
DeepSeek V4 Flash 0423Claude Opus 5
ProviderDeepSeekAnthropic
Input $/1M$0.140$5.00
Output $/1M$0.280$25.00
Blended $/1M$0.175$10.00
Context window1.0M1M
Max output393K128K
ReleasedApr 2026Jul 2026
LicenceOpen weightsProprietary
Choose DeepSeek V4 Flash 0423 if…
  • Costs less per token — $0.175 vs $10.00 blended
  • Larger context window (1.0M)
  • Open weights — self-hostable
Choose Claude Opus 5 if…
  • Newer model (released Jul 2026)
FAQ
Which is better, DeepSeek V4 Flash 0423 or Claude Opus 5?
We do not hold independently-run benchmark scores covering both DeepSeek V4 Flash 0423 and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is DeepSeek V4 Flash 0423 cheaper than Claude Opus 5?
DeepSeek V4 Flash 0423 is cheaper: $0.175 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.140 vs $5.00. Output alone: $0.280 vs $25.00.
What context windows do DeepSeek V4 Flash 0423 and Claude Opus 5 have?
DeepSeek V4 Flash 0423: 1,048,576 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes DeepSeek V4 Flash 0423 and Claude Opus 5?
DeepSeek V4 Flash 0423 is made by DeepSeek. Claude Opus 5 is made by Anthropic.
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