token.app โ€บ Compare โ€บ Claude Haiku 4.5 vs DeepSeek V4 Flash 0731

Claude Haiku 4.5 vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 leads on 3 of 3 shared benchmarks. DeepSeek V4 Flash 0731 is 18ร— 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 Haiku 4.5DeepSeek V4 Flash 0731
ProviderAnthropicDeepSeek
Input $/1M$1.00$0.090
Output $/1M$5.00$0.180
Blended $/1M$2.00$0.113
Context window200K1.0M
Max output64K384K
ReleasedOct 2025Jul 2026
LicenceProprietaryOpen weights
GPQA Diamond 71.2% 91.0%
SimpleQA Verified 5.9% 34.7%
OTIS Mock AIME 66.7% 94.4%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Claude Haiku 4.5 ifโ€ฆ
  • No clear advantage on the data we hold.
Choose DeepSeek V4 Flash 0731 ifโ€ฆ
  • Costs less per token โ€” $0.113 vs $2.00 blended
  • Higher GPQA Diamond (91.0% vs 71.2%)
  • Higher SimpleQA Verified (34.7% vs 5.9%)
  • Higher OTIS Mock AIME (94.4% vs 66.7%)
  • Larger context window (1.0M)
  • Open weights โ€” self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, Claude Haiku 4.5 or DeepSeek V4 Flash 0731?
Across the 3 benchmarks both models have independently-run scores for, Claude Haiku 4.5 leads on 0 and DeepSeek V4 Flash 0731 leads on 3. Benchmarks are one input โ€” price and context window are on this page too.
Is Claude Haiku 4.5 cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $2.00 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $0.090. Output alone: $5.00 vs $0.180.
What context windows do Claude Haiku 4.5 and DeepSeek V4 Flash 0731 have?
Claude Haiku 4.5: 200,000 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes Claude Haiku 4.5 and DeepSeek V4 Flash 0731?
Claude Haiku 4.5 is made by Anthropic. DeepSeek V4 Flash 0731 is made by DeepSeek.
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