Claude Opus 4.7 vs Gemini 3 Flash for email drafting: which is better in 2026?
A head-to-head look at Claude Opus 4.7 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 Claude Opus 4.7 on the inputPricePerMTok metric. Fastest mainstream model.
Side-by-side specs
| Spec | Claude | Flash |
|---|---|---|
| Intelligence index | 76.9 | 63.2 |
| Coding index | 82.3 | 60.5 |
| Context window | 1M tokens | 1M tokens |
| Speed (tok/s) | 88 | 260 |
| Input $/M | $15.00 | $0.15 |
| Output $/M | $75.00 | $0.60 |
| Released | Apr 23, 2026 | Feb 12, 2026 |
How they handle email drafting
Claude Opus 4.7: Best-in-class agentic coding. The main caveat is premium pricing on output tokens.
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:
- Claude Opus 4.7: $82.50 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: Claude Opus 4.7
- Fastest: Gemini 3 Flash
FAQ
Is Claude Opus 4.7 better than Gemini 3 Flash for email drafting?
On May 2026 benchmarks (artificialanalysis.ai), Gemini 3 Flash ranks higher than Claude Opus 4.7 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, Claude Opus 4.7 or Gemini 3 Flash?
Claude Opus 4.7 costs $15.00 input and $75.00 output per million tokens. Gemini 3 Flash costs $0.15 input and $0.60 output per million tokens.
Can I use both Claude and Flash in one app?
Yes. Admix is a multi model AI chat aggregator that lets you run Claude Opus 4.7 and Gemini 3 Flash side by side under one subscription.
Sources
Benchmarks from artificialanalysis.ai (May 2026).
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