Grok 4.20

xAI

Grok 4.20 is xAI's latest flagship model without extended reasoning, supporting text and image inputs with a 2M context window. It provides function calling and structured output capabilities for rapid, high-quality responses. Ideal for tasks where speed matters more than deep deliberation.

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Capabilities

Tool Use

Image Input

Example Use Cases

Fast xai flagship without reasoning

Multimodal tasks at scale with 2M context

Structured output and tool calling at speed

Technical Specifications

Context Window

2,000,000 tokens

Max Output

256,000 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$2

Non-Reasoning Output

$6

Cache Read Input

$0.20

Tool Costs (per 1K calls)

Web Search

$5

Code Execution

$5

Image Generation

$20