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Overview

xAI’s Grok models bring real-time knowledge and unique capabilities to your agents. Known for their direct, informative responses and ability to access current information.

Available Models

Grok 4.6

1 credit • The newest Grok model, with a 500K context window and strong multimodal reasoning.
  • 500K context window
  • Exceptional reasoning (reasoning model)
  • Speed: Medium • Cost: Medium
  • Vision: images supported
  • Model id: grok-4.6

Grok 4.5

1 credit • The flagship Grok model, with native video input and strong multimodal reasoning.
  • 500K context window
  • Exceptional reasoning (reasoning model)
  • Speed: Medium • Cost: Medium
  • Vision: images supported
  • Model id: grok-4.5

Grok 4.3

1 credit • A versatile 1M-context model offering strong language and reasoning capabilities at low cost.
  • 1M context window
  • Excellent reasoning (reasoning model)
  • Speed: Medium • Cost: Low
  • Vision: images supported
  • Model id: grok-4.3

Grok 4.20 Reasoning

1 credit • Grok 4.20 in reasoning mode, with enhanced analytical and problem-solving capabilities.
  • 1M context window
  • Excellent reasoning (reasoning model)
  • Speed: Medium • Cost: Low
  • Vision: images supported
  • Model id: grok-4.20-0309-reasoning

Grok 4.20 Non-Reasoning

1 credit • Grok 4.20 in non-reasoning mode, optimized for speed on tasks that do not need deep analysis.
  • 1M context window
  • Good reasoning
  • Speed: Fast • Cost: Low
  • Vision: images supported
  • Model id: grok-4.20-0309-non-reasoning

Grok Build 0.1

1 credit • Development-focused Grok model with a smaller 256k context window.
  • 256K context window
  • Good reasoning
  • Speed: Fast • Cost: Low
  • Vision: images supported
  • Model id: grok-build-0.1

Setup

Using BoostGPT-Hosted API Keys

1

Select Grok Model

In your BoostGPT dashboard, select any Grok model when creating or configuring your bot.
2

Choose Your Model

  • Grok 3: Best for balanced performance
  • Grok 4.1 Fast: When you need speed
  • Grok 3 Mini: Cost-effective for simple tasks
  • Grok 3 Reasoning: Complex analytical tasks

Using Your Own xAI API Key

1

Navigate to Integrations

Go to app.boostgpt.co and select Integrations
2

Select xAI

Find and click on the xAI provider
3

Add API Key

Enter your xAI API key and select which agents will use this key
4

Save Configuration

Click save to apply your custom API key

Next Steps

Model Comparison

Compare Grok with other providers

Reasoning Models

Learn about Grok 3 Reasoning

SDK Reference

Full API documentation

Provider Overview

See all available providers