Grok 4.7 vs GPT-6.1 Sol
A plain comparison: what they do, what they cost and which to pick for your task.
In short
Grok 4.7 answers more bluntly and its answers cost less; GPT-6.1 Sol is more careful, explains better and suits study.
Grok 4.7 is cheaper: an answer costs 1.7 times less than with GPT-6.1 Sol.
Side by side
| Grok 4.7 | GPT-6.1 Sol | |
|---|---|---|
| Maker | xAI, USA | OpenAI, USA |
| Type | everyday | everyday |
| Good for | The newest Grok: straight answers, reasoning and analysis. | ChatGPT’s everyday model. Answers any question, writes text and code. |
| Official, $ per 1M | $2 / $6 | $2 / $10 |
| Freepay rate | ×1 / ×3 | ×1 / ×5 |
| Maker’s subscription | Grok’s paid plans are a monthly subscription. | ChatGPT Plus costs $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 |
| Study and explanations | GPT-6.1 Sol |
| Answer price | Grok 4.7 |
| Writing | GPT-6.1 Sol |
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 GPT-6.1 Sol
ChatGPT’s everyday model. Answers any question, writes text and code. GPT models are made by OpenAI and power ChatGPT, the best-known AI chat. It answers any question, does maths, explains and helps with study. More about GPT-6.1 Sol.
Frequently asked questions
Which is better, Grok 4.7 or GPT-6.1 Sol?
Grok 4.7 answers more bluntly and its answers cost less; GPT-6.1 Sol is more careful, explains better and suits study.
Which is cheaper, Grok 4.7 or GPT-6.1 Sol?
Grok 4.7 is cheaper: an answer costs 1.7 times less than with GPT-6.1 Sol. Official prices per 1M tokens: Grok 4.7 $2 / $6, GPT-6.1 Sol $2 / $10. On Freepay both are 10x cheaper.
Can I use Grok 4.7 and GPT-6.1 Sol 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 GPT-6.1 Sol?
No. Grok lives in X and on grok.com, needs an account, and its best models come with a paid plan. ChatGPT needs an account, the free plan limits the best models, and ChatGPT Plus is a monthly subscription. On Freepay one key covers both, with no subscription.