token.app › Compare › DeepSeek V4 Pro 0423 vs DeepSeek V4 Flash 0731

DeepSeek V4 Pro 0423 vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 leads on 3 of 4 shared benchmarks. DeepSeek V4 Flash 0731 is 1.8× cheaper per token on a blended 3:1 basis.

Head to head
Blended price uses a 3:1 input:output mix
DeepSeek V4 Pro 0423DeepSeek V4 Flash 0731
ProviderDeepSeekDeepSeek
Input $/1M$0.955$0.440
Output $/1M$1.91$1.32
Blended $/1M$1.19$0.660
Context window1.0M1.0M
Max output384K131K
ReleasedApr 2026Jul 2026
LicenceOpen weightsOpen weights
GPQA Diamond 90.9% 91.0%
FrontierMath T1–3 45.3% 57.5%
FrontierMath T4 2.4% 24.4%
OTIS Mock AIME 96.7% 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 DeepSeek V4 Pro 0423 if…
  • Higher OTIS Mock AIME (96.7% vs 94.4%)
Choose DeepSeek V4 Flash 0731 if…
  • Costs less per token — $0.660 vs $1.19 blended
  • Higher GPQA Diamond (91.0% vs 90.9%)
  • Higher FrontierMath T1–3 (57.5% vs 45.3%)
  • Higher FrontierMath T4 (24.4% vs 2.4%)
  • Newer model (released Jul 2026)
FAQ
Which is better, DeepSeek V4 Pro 0423 or DeepSeek V4 Flash 0731?
Across the 4 benchmarks both models have independently-run scores for, DeepSeek V4 Pro 0423 leads on 1 and DeepSeek V4 Flash 0731 leads on 3. Benchmarks are one input — price and context window are on this page too.
Is DeepSeek V4 Pro 0423 cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.660 versus $1.19 per million tokens blended at 3:1 input:output. Input alone: $0.955 vs $0.440. Output alone: $1.91 vs $1.32.
What context windows do DeepSeek V4 Pro 0423 and DeepSeek V4 Flash 0731 have?
DeepSeek V4 Pro 0423: 1,048,576 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes DeepSeek V4 Pro 0423 and DeepSeek V4 Flash 0731?
DeepSeek V4 Pro 0423 is made by DeepSeek. DeepSeek V4 Flash 0731 is made by DeepSeek.
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