token.app › Compare › Gemini 3.1 Flash Lite Preview vs DeepSeek V4 Flash 0731

Gemini 3.1 Flash Lite Preview vs DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 leads on 3 of 3 shared benchmarks. Gemini 3.1 Flash Lite Preview is 1.2× cheaper per token on a blended 3:1 basis.

Head to head
Blended price uses a 3:1 input:output mix
Gemini 3.1 Flash Lite PreviewDeepSeek V4 Flash 0731
ProviderGoogleDeepSeek
Input $/1M$0.250$0.440
Output $/1M$1.50$1.32
Blended $/1M$0.563$0.660
Context window1.0M1.0M
Max output66K131K
ReleasedMar 2026Jul 2026
LicenceProprietaryOpen weights
GPQA Diamond 81.8% 91.0%
FrontierMath T1–3 27.7% 57.5%
OTIS Mock AIME 80.0% 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 Gemini 3.1 Flash Lite Preview if…
  • Costs less per token — $0.563 vs $0.660 blended
Choose DeepSeek V4 Flash 0731 if…
  • Higher GPQA Diamond (91.0% vs 81.8%)
  • Higher FrontierMath T1–3 (57.5% vs 27.7%)
  • Higher OTIS Mock AIME (94.4% vs 80.0%)
  • Open weights — self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, Gemini 3.1 Flash Lite Preview or DeepSeek V4 Flash 0731?
Across the 3 benchmarks both models have independently-run scores for, Gemini 3.1 Flash Lite Preview leads on 0 and DeepSeek V4 Flash 0731 leads on 3. Benchmarks are one input — price and context window are on this page too.
Is Gemini 3.1 Flash Lite Preview cheaper than DeepSeek V4 Flash 0731?
Gemini 3.1 Flash Lite Preview is cheaper: $0.563 versus $0.660 per million tokens blended at 3:1 input:output. Input alone: $0.250 vs $0.440. Output alone: $1.50 vs $1.32.
What context windows do Gemini 3.1 Flash Lite Preview and DeepSeek V4 Flash 0731 have?
Gemini 3.1 Flash Lite Preview: 1,048,576 tokens. DeepSeek V4 Flash 0731: 1,048,576 tokens.
Who makes Gemini 3.1 Flash Lite Preview and DeepSeek V4 Flash 0731?
Gemini 3.1 Flash Lite Preview is made by Google. DeepSeek V4 Flash 0731 is made by DeepSeek.
Related comparisons
Gemini 3.1 Flash Lite Preview full details DeepSeek V4 Flash 0731 full details Gemini 3.1 Flash Lite Preview vs Flint (free) Gemini 3.1 Flash Lite Preview vs MiniMax M3.1 Flash (free) Gemini 3.1 Flash Lite Preview vs DeepSeek V4.1 Flash 1017 Gemini 3.1 Flash Lite Preview vs Glimpse Gemini 3.1 Flash Lite Preview vs Xing4.0 29B A4B (free) Gemini 3.1 Flash Lite Preview vs Beam 1.0 501B A23B