FlagshipxAI

Grok 3

Grok 3 is xAI's flagship text-only model with a 131K token context window, designed for complex reasoning and conversational tasks.

Context 131K
Tier Flagship
Input from
$3.00 / 1M tokens
across 1 provider

API Pricing

ProviderInput / 1MOutput / 1MUpdated
$3.00$15.004/14/2026

Prices updated daily. Last check: 4/14/2026

Model Details

General

Creator
xAI
Family
Grok
Tier
Flagship
Context Window
131K
Modalities
Text

Capabilities

Tool Calling
No
Open Source
No
Aliases
grok-3-beta, grok-3-mini-beta

Strengths & Limitations

  • Flagship-tier model offering xAI's most advanced language capabilities
  • 131K token context window supports substantial document processing
  • Proprietary architecture optimized for complex reasoning tasks
  • Part of the Grok family known for conversational abilities
  • Text-focused design may offer optimized performance for language-only tasks
  • Available through multiple API providers for access flexibility
  • No support for image or multimodal inputs
  • Lacks built-in tool calling and function execution capabilities
  • Proprietary model with no access to weights or local deployment
  • Smaller context window compared to some competing flagship models
  • Text-only limitation reduces versatility versus multimodal alternatives

Key Features

131K token context window
Text-only input and output processing
Flagship-tier language understanding
Complex reasoning and analysis capabilities
Extended conversation support
API access through multiple providers
Streaming response support
Batch processing options

About Grok 3

Grok 3 is xAI's flagship model in the Grok family, representing the company's most capable offering for text-based AI tasks. Developed by Elon Musk's xAI, this model sits at the top of the Grok model hierarchy and competes with other flagship models in the market. The model operates as a proprietary system without publicly available weights, focusing on delivering advanced language understanding and generation capabilities. The model features a 131K token context window, allowing it to process substantial amounts of text in a single session. Grok 3 is text-only, handling written language tasks without support for images or other modalities. The model does not include built-in tool calling capabilities, focusing instead on direct text generation and reasoning tasks. Its architecture is designed to handle complex conversational exchanges and extended document analysis within its context limitations. Grok 3 serves users requiring sophisticated text processing and generation capabilities, particularly for applications involving long-form content analysis, detailed reasoning tasks, and extended conversations. As a flagship model, it targets use cases where maximum language model capability is prioritized over cost efficiency, though its text-only nature and lack of tool calling may limit its applicability compared to more feature-rich alternatives in the current frontier model landscape.

Common Use Cases

Grok 3 is well-suited for applications requiring advanced text processing and reasoning capabilities within its 131K context window. This includes long-form content analysis, complex document summarization, extended research tasks, and sophisticated conversational AI applications. The model's flagship positioning makes it appropriate for use cases where maximum language understanding is critical, such as legal document analysis, academic research assistance, creative writing projects, and detailed technical explanations. However, applications requiring multimodal inputs, tool integration, or function calling would be better served by models with those specific capabilities. Organizations prioritizing pure language model performance for text-intensive workflows will find Grok 3's focused approach beneficial.

Frequently Asked Questions

How much does Grok 3 cost per million tokens?

Grok 3 pricing varies by provider and pricing type (standard vs batch). Check the pricing table above for current rates across all providers.

What is Grok 3 best used for?

Grok 3 excels at complex text reasoning, long-form content analysis, and sophisticated conversational tasks. Its 131K context window makes it particularly effective for document analysis, research assistance, and extended dialogue applications where advanced language understanding is prioritized.

Does Grok 3 support images or tool calling?

No, Grok 3 is text-only and does not support image inputs or built-in tool calling capabilities. It focuses specifically on text processing and generation tasks. Users requiring multimodal inputs or function calling should consider models with those specific features.