Grok 4.20

byxAI

Grok 4.20 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...

Chat withGrok 4.20

Input Price$2.00/1M tokens

Output Price$6.00/1M tokens

Intelligence49.3

Coding40.5

Specifications

Technical details and pricing.

ProviderxAI

Context Window2,000,000 tokens

Release DateApr 7, 2026

ModalitiesText, Image, File → Text

CapabilitiesVision

Benchmarks

7 benchmark scores from Artificial Analysis.

GPQA91.1%

HLE32.2%

SciCode45.6%

LCR58.0%

IFBench81.2%

Tau293.0%

TerminalBench Hard37.9%

Composite Indices

Intelligence, Coding, Math

Standard Benchmarks

Academic and industry benchmarks

Frequently Asked Questions

What is Grok 4.20 good for?

Use Grok 4.20 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.

How much does Grok 4.20 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 for free?

Yes. You can start a chat instantly and test the model before deciding on a plan.

Does Grok 4.20 support images or audio?

Grok 4.20 can understand images.

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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.