xAI

Chat with xAI: Grok 3

Grok 3 is the latest model from xAI. It's their flagship model that excels at enterprise use cases like data extraction, coding, and text summarization. Possess

No signup required — 10,000 session credits for guests. 50,000 free credits on account creation.

Provider
xAI
Model slug
x-ai/grok-3
Typical cost
Around 9,900–24,750 credits per typical message. 15M Pro credits buy roughly 606…
Availability
On Faceb.ai · chat + API

About xAI: Grok 3

Grok 3 is the latest model from xAI. It's their flagship model that excels at enterprise use cases like data extraction, coding, and text summarization. Possesses deep domain knowledge in...

What it's good at

1

131,072-token context window — enough for long documents.

2

Hosted by xAI — you can access it here alongside GPT-4o, Claude, Gemini and 100+ more on one plan.

3

Switch to any other model mid-conversation from the picker.

Pricing on Faceb.ai

Around 9,900–24,750 credits per typical message. 15M Pro credits buy roughly 606–1,515 messages.

Frequently asked — xAI: Grok 3

What is xAI: Grok 3?

xAI: Grok 3 is a chat/completion model served by xAI and accessed through Faceb.ai. Try it without signing up — guest users get 10,000 session credits to experiment.

Is xAI: Grok 3 free on Faceb.ai?

You get 50,000 credits on signup — usually enough for a handful of messages. After that, Pro is $14.99/month for 15M credits, or top-ups from $5.

What's xAI: Grok 3's context window?

131,072 tokens. Paste your source material in, no need to truncate.

Can I call xAI: Grok 3 from the API?

Yes. Any API key from /account/api/ works with model slug `x-ai/grok-3`. The OpenAI SDK works with base_url=https://api.faceb.ai/v1.

How does xAI: Grok 3 compare to GPT-4o or Claude?

Depends on the task. Faceb.ai lets you switch models per message — benchmark side-by-side by asking both the same prompt, which is more reliable than abstract comparisons.

How much does xAI: Grok 3 cost per message here?

Around 9,900–24,750 credits per typical message. 15M Pro credits buy roughly 606–1,515 messages.

Does Faceb.ai train on my xAI: Grok 3 prompts?

No. We contractually request that upstream providers not train on content routed through us. Your chat history lives only on your account.

Is xAI: Grok 3 good for coding?

It depends on the model size and training mix. For serious code work the developer favourites are Claude 3.5 Sonnet and DeepSeek V3; for quick edits, most capable models work fine.

Can I use xAI: Grok 3 on the API with the OpenAI SDK?

Yes — point your SDK at https://api.faceb.ai/v1 and use this model's slug as the model parameter. Everything else works as normal.

Does xAI: Grok 3 support image inputs?

Check the model catalog — multimodal models are marked in the picker. If it accepts images, you can drop screenshots and diagrams straight into the chat.

Can I switch from xAI: Grok 3 to another model mid-chat?

Yes — the picker is always at the top of the chat. Previous context carries over.

Will newer versions of xAI: Grok 3 show up here automatically?

Yes. Our catalog auto-fetches from the upstream aggregator, so provider updates and new versions appear in the picker as soon as they're available.

Or try a different model

Your Faceb.ai credits work for every model — switch per message, no extra subscriptions.

Ready to chat?

One subscription covers every frontier model — switch between them per message. No extra API keys, no extra bills.

Start chatting with xAI: Grok 3 → Go Pro · $14.99/mo