token.app › Compare › Gemini 3 Flash Preview vs DeepSeek V4 Pro
Gemini 3 Flash Preview vs DeepSeek V4 Pro
Gemini 3 Flash Preview and DeepSeek V4 Pro split the 6 shared benchmarks evenly. DeepSeek V4 Pro is 2.1× cheaper per token on a blended 3:1 basis.
Head to head
Blended price uses a 3:1 input:output mix
| Gemini 3 Flash Preview | DeepSeek V4 Pro | |
|---|---|---|
| Provider | DeepSeek | |
| Input $/1M | $0.500 | $0.435 |
| Output $/1M | $3.00 | $0.870 |
| Blended $/1M | $1.13 | $0.544 |
| Context window | 1.0M | 1.0M |
| Max output | 66K | 384K |
| Released | Dec 2025 | Apr 2026 |
| Licence | Proprietary | Open weights |
| GPQA Diamond | 89.4% | 90.9% |
| SWE-bench Verified | 75.4% | 77.6% |
| FrontierMath T1–3 | 51.2% | 45.3% |
| FrontierMath T4 | 17.1% | 2.4% |
| SimpleQA Verified | 67.4% | 57.0% |
| OTIS Mock AIME | 95.6% | 96.7% |
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 Flash Preview if…
- Higher FrontierMath T1–3 (51.2% vs 45.3%)
- Higher FrontierMath T4 (17.1% vs 2.4%)
- Higher SimpleQA Verified (67.4% vs 57.0%)
Choose DeepSeek V4 Pro if…
- Costs less per token — $0.544 vs $1.13 blended
- Higher GPQA Diamond (90.9% vs 89.4%)
- Higher SWE-bench Verified (77.6% vs 75.4%)
- Higher OTIS Mock AIME (96.7% vs 95.6%)
- Open weights — self-hostable
- Newer model (released Apr 2026)
FAQ
Which is better, Gemini 3 Flash Preview or DeepSeek V4 Pro?
Across the 6 benchmarks both models have independently-run scores for, Gemini 3 Flash Preview leads on 3 and DeepSeek V4 Pro leads on 3. Benchmarks are one input — price and context window are on this page too.
Is Gemini 3 Flash Preview cheaper than DeepSeek V4 Pro?
DeepSeek V4 Pro is cheaper: $0.544 versus $1.13 per million tokens blended at 3:1 input:output. Input alone: $0.500 vs $0.435. Output alone: $3.00 vs $0.870.
What context windows do Gemini 3 Flash Preview and DeepSeek V4 Pro have?
Gemini 3 Flash Preview: 1,048,576 tokens. DeepSeek V4 Pro: 1,048,576 tokens.
Who makes Gemini 3 Flash Preview and DeepSeek V4 Pro?
Gemini 3 Flash Preview is made by Google. DeepSeek V4 Pro is made by DeepSeek.
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