token.app › Compare › Claude Opus 4.5 (batch) vs DeepSeek V4 Flash 0731

Claude Opus 4.5 (batch) vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is 7.6× cheaper per token on a blended 3:1 basis. DeepSeek V4 Flash 0731 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Claude Opus 4.5 (batch)DeepSeek V4 Flash 0731
ProviderAnthropicDeepSeek
Input $/1M$2.50$0.440
Output $/1M$12.50$1.32
Blended $/1M$5.00$0.660
Context window200K1.0M
Max output64K131K
ReleasedNov 2025Jul 2026
LicenceProprietaryOpen weights
Choose Claude Opus 4.5 (batch) if…
  • No clear advantage on the data we hold.
Choose DeepSeek V4 Flash 0731 if…
  • Costs less per token — $0.660 vs $5.00 blended
  • Larger context window (1.0M)
  • Open weights — self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, Claude Opus 4.5 (batch) or DeepSeek V4 Flash 0731?
We do not hold independently-run benchmark scores covering both Claude Opus 4.5 (batch) and DeepSeek V4 Flash 0731, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Opus 4.5 (batch) cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.660 versus $5.00 per million tokens blended at 3:1 input:output. Input alone: $2.50 vs $0.440. Output alone: $12.50 vs $1.32.
What context windows do Claude Opus 4.5 (batch) and DeepSeek V4 Flash 0731 have?
Claude Opus 4.5 (batch): 200,000 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes Claude Opus 4.5 (batch) and DeepSeek V4 Flash 0731?
Claude Opus 4.5 (batch) is made by Anthropic. DeepSeek V4 Flash 0731 is made by DeepSeek.
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