DeepSeek V4 Pro vs Gemini 3 Flash for email drafting: which is better in 2026?
A head-to-head look at DeepSeek V4 Pro and Gemini 3 Flash for email drafting. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.
Quick verdict
For email drafting in May 2026, Gemini 3 Flash edges out DeepSeek V4 Pro on the inputPricePerMTok metric. Fastest mainstream model.
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 email drafting
DeepSeek V4 Pro: Cheapest frontier-class pricing. The main caveat is weaker english creative writing.
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 email drafting:
- 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 email drafting?
On May 2026 benchmarks (artificialanalysis.ai), Gemini 3 Flash ranks higher than DeepSeek V4 Pro for email drafting on the inputPricePerMTok 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).
Related
Try both DeepSeek and Flash in Admix
One subscription, side-by-side answers, no API plumbing. From $8.99/mo.
Try Admix free