Chat with all AIClaude Sonnet 5.5 vs Grok 4.7
Claude Sonnet 5.5 (Anthropic) and Grok 4.7 (xAI) are both in Chat with all AI's model menu. Here's how they differ in practice, which to pick for which task, and how to compare them on your own prompt in seconds.
At a glance
| Claude Sonnet 5.5 | Grok 4.7 | |
|---|---|---|
| Made by | Anthropic | xAI |
| Group in the menu | Complex work | Complex work |
| Speed | Fast | Fast |
| Best for | Writing that needs the right tone, Coding and code review | Blunt feedback on ideas and drafts, Brainstorming lots of options fast |
| On Pro | Unlimited (fair use) | Unlimited (fair use) |
| Separate subscription needed? | No — included | No — included |
Quick verdict
- Coding: Claude Sonnet 5.5 usually has the edge.
- Writing: Claude Sonnet 5.5 usually has the edge.
- Speed: Both are solid — try your prompt on each.
- Hard reasoning: Both are solid — try your prompt on each.
- Brainstorming: Grok 4.7 usually has the edge.
Verdicts reflect how these models are generally positioned and reported in 2026. Your own prompts are the best test.
Where Claude Sonnet 5.5 shines
- Very natural, human-sounding prose
- Strong, careful code with explanations
- Keeps the author's voice when editing
- Good judgment on what to leave out
Where Grok 4.7 shines
- Direct answers with less hedging
- Personality and humor when you want it
- Fast iterations in long chats
- Good at generating many variations
Watch-outs
Claude Sonnet 5.5
- For the very hardest problems step up to Opus 5.5
- Sometimes cautious — tell it the context and goal
- No live web search inside the extension
Grok 4.7
- In this extension Grok has no access to X or live search
- Direct style may need softening for formal writing
- Check sensitive facts with a second model
Prompts to test both
Send a prompt with one model, then switch the model and press Regenerate. Each answer is labelled with the model that wrote it.
Bottom line
Choose Claude Sonnet 5.5 for writing that needs the right tone and coding and code review. Choose Grok 4.7 for blunt feedback on ideas and drafts and brainstorming lots of options fast. They come from different labs, so using both is a great way to catch mistakes.
Frequently asked questions
Is Claude Sonnet 5.5 better than Grok 4.7?
It depends on the task. Claude Sonnet 5.5 is strongest at writing that needs the right tone; Grok 4.7 shines at blunt feedback on ideas and drafts. The quickest way to know is to ask both the same question — in Chat with all AI that's one model switch.
Which is faster, Claude Sonnet 5.5 or Grok 4.7?
In practice Claude Sonnet 5.5 is fast and Grok 4.7 is fast. Real speed also depends on answer length and load.
Can I use Claude Sonnet 5.5 and Grok 4.7 with one subscription?
Yes. Both are in Chat with all AI. Try them with 3 free requests; Pro covers both.
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