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Grok 4.20 Beta 0309 Non Reasoning

xAI

At a glance

Price per 1M tokens (input)
$1.25
Price per 1M tokens (output)
$2.50
Context
1,000,000 tokens
Free access
yes (see below)

Refreshed daily; data verified August 16, 2026. Published August 12, 2026, last price change August 12, 2026.

Grok 4.20 Beta 0309 Non Reasoning is built for businesses that need fast, reliable visual understanding and automated actions without the overhead of extended deliberation. It suits tasks like image-based data extraction, document analysis, and workflow automation where you want a model to interpret visuals and trigger external tools directly. The vendor's approach emphasizes efficiency and directness—this model prioritizes quick, actionable responses over multi-step reasoning, making it a practical choice for production pipelines that require consistent, low-latency interactions.

Specifications & pricing

Input (per 1M tokens)$1.25
Output (per 1M tokens)$2.50
Cache read (per 1M tokens)$0.20
Context window1,000,000 tokens
Max output1,000,000 tokens
Capabilitiesimages, tool calling

LiteLLM community dataset (MIT), verified August 16, 2026. Official xAI pricing.

What Grok 4.20 Beta 0309 Non Reasoning would cost on your workload — run it through the cost calculator →

Price history

DateInput / 1MOutput / 1M
August 9, 2026 (first record)$2.00$6.00
August 12, 2026$1.25$2.50

Where to try Grok 4.20 Beta 0309 Non Reasoning for free

  • xAI offers a free chat — Grok (limited free access). A vendor's free chat may run a different model from the same family — the exact model is not guaranteed.

Frequently asked questions

What is this model best used for?+

It excels at tasks that combine image understanding with tool calling—for example, reading a screenshot, extracting key information, and then automatically updating a database or sending a message via an API. It is also suitable for real-time visual Q&A in customer support or internal operations where you need immediate answers without lengthy analysis.

How do I get started with Grok 4.20 Beta 0309 Non Reasoning?+

You can access it through the xAI API or via the model catalog interface. Set up your API key, then send a request with an image and a prompt that specifies the tool call you want. The model will return a structured output that includes both the answer and the function call parameters. Refer to the documentation for examples of common tool schemas.

How does this model differ from other Grok models?+

The key difference is the 'Non Reasoning' tag: this variant is optimized for speed and directness, skipping the extended chain-of-thought that other models use. Sibling models with reasoning capabilities may provide deeper analysis but are slower and more computationally intensive. This one is designed for high-throughput, low-latency use cases where you need a quick answer or action.

What are the limitations of this model?+

It may struggle with complex, multi-step reasoning tasks that require careful logical deduction, as it is not built for that. Also, while it can call tools, it does not execute them itself—you need to handle the actual API calls on your end. Additionally, image understanding is strong but not perfect for highly ambiguous or low-quality images, so you should test on your specific data.

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