xAI

Chat with xAI: Grok 3 Mini Beta

Grok 3 Mini is a lightweight, smaller thinking model. Unlike traditional models that generate answers immediately, Grok 3 Mini thinks before responding. It’s id

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

Provider
xAI
Model slug
x-ai/grok-3-mini-beta
Typical cost
Around 389–975 credits per typical message. 15M Pro credits buy roughly 15,384–3…
Availability
On Faceb.ai · chat + API

About xAI: Grok 3 Mini Beta

Grok 3 Mini is a lightweight, smaller thinking model. Unlike traditional models that generate answers immediately, Grok 3 Mini thinks before responding. It’s ideal for reasoning-heavy tasks that don’t demand...

What it's good at

1

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

2

Extremely low per-token price compared to frontier models — good for high-volume workloads.

3

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

4

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

Pricing on Faceb.ai

Around 389–975 credits per typical message. 15M Pro credits buy roughly 15,384–38,560 messages.

Frequently asked — xAI: Grok 3 Mini Beta

What is xAI: Grok 3 Mini Beta?

xAI: Grok 3 Mini Beta 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 Mini Beta 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 Mini Beta's context window?

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

Can I call xAI: Grok 3 Mini Beta from the API?

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

How does xAI: Grok 3 Mini Beta 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 Mini Beta cost per message here?

Around 389–975 credits per typical message. 15M Pro credits buy roughly 15,384–38,560 messages.

Does Faceb.ai train on my xAI: Grok 3 Mini Beta 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 Mini Beta 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 Mini Beta 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 Mini Beta 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 Mini Beta 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 Mini Beta 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 Mini Beta → Go Pro · $14.99/mo