Grok 4.7 vs Claude Sonnet 5.5
A plain comparison: what they do, what they cost and which to pick for your task.
In short
Grok 4.7 costs less per answer and speaks plainly. Claude Sonnet writes better text and is stronger in code.
Grok 4.7 is cheaper: an answer costs 1.7 times less than with Claude Sonnet 5.5.
Side by side
| Grok 4.7 | Claude Sonnet 5.5 | |
|---|---|---|
| Maker | xAI, USA | Anthropic, USA |
| Type | everyday | everyday |
| Good for | The newest Grok: straight answers, reasoning and analysis. | Claude’s everyday model. Natural writing and good code, the best value of the line. |
| Official, $ per 1M | $2 / $6 | $2 / $10 |
| Freepay rate | ×1 / ×3 | ×1 / ×5 |
| Maker’s subscription | Grok’s paid plans are a monthly subscription. | Claude Pro costs about $20 a month. |
Prices: your text / answer. The “Freepay rate” shows how many balance tokens a model spends per token of its own; Claude Sonnet 5.5 is ×1.
Which to pick for the task
| Task | Better |
|---|---|
| Straight answers | Grok 4.7 |
| Writing | Claude Sonnet 5.5 |
| Code | Claude Sonnet 5.5 |
| Answer price | Grok 4.7 |
The best way to choose is to ask both models the same question. On Freepay you do it in one chat, switching the model in the input field.
About Grok 4.7
The newest Grok: straight answers, reasoning and analysis. Grok is made by xAI, Elon Musk’s company. It answers bluntly, reasons well and writes code. More about Grok 4.7.
About Claude Sonnet 5.5
Claude’s everyday model. Natural writing and good code, the best value of the line. Claude is made by Anthropic, a US company. People pick it for natural writing, strong code and the way it handles long documents. More about Claude Sonnet 5.5.
Frequently asked questions
Which is better, Grok 4.7 or Claude Sonnet 5.5?
Grok 4.7 costs less per answer and speaks plainly. Claude Sonnet writes better text and is stronger in code.
Which is cheaper, Grok 4.7 or Claude Sonnet 5.5?
Grok 4.7 is cheaper: an answer costs 1.7 times less than with Claude Sonnet 5.5. Official prices per 1M tokens: Grok 4.7 $2 / $6, Claude Sonnet 5.5 $2 / $10. On Freepay both are 10x cheaper.
Can I use Grok 4.7 and Claude Sonnet 5.5 in one place?
Yes. On Freepay both models are in one chat, you switch them in the input field, and the balance is shared.
Do I need two subscriptions for Grok 4.7 and Claude Sonnet 5.5?
No. Grok lives in X and on grok.com, needs an account, and its best models come with a paid plan. On claude.ai you need an account and a phone number, the free plan has tight message limits, and Claude Pro is a monthly subscription. On Freepay one key covers both, with no subscription.