Grok 4.20 Beta
by xAI
Grok 4.20 Beta is xAI's newest flagship model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering consistently precise and truthful responses. Reasoning can be enabled/disabled using the `reasoning` `enabled` parameter in the API.
Specifications
Technical details and pricing.
Benchmarks
7 benchmark scores from Artificial Analysis.
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Frequently Asked Questions
What is Grok 4.20 Beta good for?
Use Grok 4.20 Beta for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does Grok 4.20 Beta cost?
Pricing is based on usage. Current rates are $2.00/1M tokens for input and $6.00/1M tokens for output.
Can I try Grok 4.20 Beta for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does Grok 4.20 Beta support images or audio?
Grok 4.20 Beta can understand images.
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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.