What Grok is known for
Grok models are direct, quick to answer, and come with some of the largest context windows available. The table shows which ones read images and reason before replying.
Grok models · xAI
Chat with Grok online, next to every other model.
xAI's Grok models without an X account or a Premium plan. Same chat, same memory, same history as every other model on Portail.
Start freeFree plan · Every model · No card
6 Grok models
Every xAI chat model Portail carries today, listed below.
Up to 2M context
The largest context window in the family, for long files and long chats.
One shared thread
Switch from Grok to GPT, Claude, Gemini or anything else mid-conversation.
How Grok works on Portail
Pick a Grok model from the model picker in any chat. It reads the whole conversation, including anything other models said earlier, and your Portail memory. When you want a second opinion, switch models and keep going, or turn on Council to ask several models at once.
Every plan, Free included, can use every Grok model. Plans change the size of your monthly credit allowance, not which models you can pick. Bigger models use credits faster; the cost band in the table shows roughly how fast.
Grok models on Portail
Read from Portail's live model catalog. Cost runs from $ (cheapest) to $$$$.
| Model | Context | Images | Reasoning | Cost |
|---|---|---|---|---|
| Grok Build 0.1 | 256K | Yes | Yes | $$ |
| Grok 4.20 Multi-Agent | 2M | Yes | Yes | $$ |
| Grok 4.20 | 2M | Yes | Yes | $$ |
| Grok 4.6 | 500K | Yes | Yes | $$$ |
| Grok 4.5 | 500K | Yes | Yes | $$$ |
| Grok 4.3 | 1M | Yes | Yes | $$ |
Questions
How many Grok models can I use on Portail?
6 right now, from xAI. The list follows the live catalog, so new Grok models appear as they're added.
Can Grok read images?
Yes. All 6 Grok models on Portail accept images.
Can I use Grok for free?
Yes. The Free plan includes every model, Grok too, with a starter credit allowance and no card. Cheaper Grok models stretch it further.
Do I need an X (Twitter) account?
No. Grok on Portail runs on your Portail account and credits. X features, like Grok reading live posts on X, stay on X.
Can I compare Grok's answer with ChatGPT's?
Yes, two ways. Switch the model and ask again in the same thread, or turn on Council to send one message to several models and get the best answer picked for you.
Keep reading
Try it on your own prompt.
Every model, one thread, one memory. Free to start.