token.app โ€บ Compare โ€บ GPT-4.1 vs DeepSeek V4 Flash 0731

GPT-4.1 vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 leads on 2 of 2 shared benchmarks. DeepSeek V4 Flash 0731 is 31ร— 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
GPT-4.1DeepSeek V4 Flash 0731
ProviderOpenAIDeepSeek
Input $/1M$2.00$0.090
Output $/1M$8.00$0.180
Blended $/1M$3.50$0.113
Context window1.0M1.0M
Max output33K384K
ReleasedApr 2025Jul 2026
LicenceProprietaryOpen weights
GPQA Diamond 66.9% 91.0%
OTIS Mock AIME 38.3% 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 GPT-4.1 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 $3.50 blended
  • Higher GPQA Diamond (91.0% vs 66.9%)
  • Higher OTIS Mock AIME (94.4% vs 38.3%)
  • Larger context window (1.0M)
  • Open weights โ€” self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, GPT-4.1 or DeepSeek V4 Flash 0731?
Across the 2 benchmarks both models have independently-run scores for, GPT-4.1 leads on 0 and DeepSeek V4 Flash 0731 leads on 2. Benchmarks are one input โ€” price and context window are on this page too.
Is GPT-4.1 cheaper than DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 is cheaper: $0.113 versus $3.50 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.090. Output alone: $8.00 vs $0.180.
What context windows do GPT-4.1 and DeepSeek V4 Flash 0731 have?
GPT-4.1: 1,047,576 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes GPT-4.1 and DeepSeek V4 Flash 0731?
GPT-4.1 is made by OpenAI. DeepSeek V4 Flash 0731 is made by DeepSeek.
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