Chat with all AIBest AI for writing emails
There's no single best model for emails — but there are clear favorites. Here's our short list from the models available in Chat with all AI, and how to test them on your own work.
Our picks
How to choose
Use the Email tool's intent and tone presets, then pick the model by the stakes: Ember for quick answers, Sonnet for anything sensitive.
Test them in one minute
- Open the side panel and ask your real task.
- Switch the model and press Regenerate.
- Compare and keep the best — that's your model for this task.
Frequently asked questions
What is the best AI for emails?
Our short list: Claude Sonnet 5.5, GPT-6.1 Terra, Muse Ember. The best one for you depends on your prompt — test two of them side by side.
Can I try these models for free?
Yes — 3 free requests in Chat with all AI, any model.
How did you choose?
From how these models are positioned by their makers, public reporting in 2026 and practical experience with everyday browser tasks. It's guidance, not a benchmark.
Every top AI model, one side panel
Try GPT-6.1, Claude, Muse and Grok free — 3 requests, no card needed.