DeepSeek V4 Pro vs Gemini 3 Flash for math: which is better in 2026?
A head-to-head look at DeepSeek V4 Pro and Gemini 3 Flash for math. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.
Quick verdict
For math in May 2026, DeepSeek V4 Pro edges out Gemini 3 Flash on the intelligenceIndex metric. Open weights with strong math chain-of-thought.
Side-by-side specs
| Spec | DeepSeek | Flash |
|---|---|---|
| Intelligence index | 72.8 | 63.2 |
| Coding index | 74.5 | 60.5 |
| Context window | 256K tokens | 1M tokens |
| Speed (tok/s) | 120 | 260 |
| Input $/M | $0.27 | $0.15 |
| Output $/M | $1.10 | $0.60 |
| Released | Mar 4, 2026 | Feb 12, 2026 |
How they handle math
DeepSeek V4 Pro: Open weights with strong math chain-of-thought.
Gemini 3 Flash: Fastest mainstream model. The main caveat is weaker on nuanced reasoning.
Cost per 1,000 queries
Assuming 1,500 input and 800 output tokens per query:
- DeepSeek V4 Pro: $1.29 per 1,000 queries
- Gemini 3 Flash: $0.70 per 1,000 queries
Verdict by sub-task
- Best raw quality on math:
- Best price: Gemini 3 Flash
- Longest context: Gemini 3 Flash
- Fastest: Gemini 3 Flash
FAQ
Is DeepSeek V4 Pro better than Gemini 3 Flash for math?
On May 2026 benchmarks (artificialanalysis.ai), DeepSeek V4 Pro ranks higher than Gemini 3 Flash for math on the intelligenceIndex metric. The gap is small enough that the choice often comes down to price, context length, and tone.
Which is cheaper, DeepSeek V4 Pro or Gemini 3 Flash?
DeepSeek V4 Pro costs $0.27 input and $1.10 output per million tokens. Gemini 3 Flash costs $0.15 input and $0.60 output per million tokens.
Can I use both DeepSeek and Flash in one app?
Yes. Admix is a multi model AI chat aggregator that lets you run DeepSeek V4 Pro and Gemini 3 Flash side by side under one subscription.
Sources
Benchmarks from artificialanalysis.ai (May 2026).
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