Grok 4.20

Proprietary

About Grok 4.20

Grok 4.20 is an AI model developed by xAI, released in 2026, made available as a proprietary (API-only) model. Grok 4.20 is xAI's flagship model released February 17, 2026 (beta), featuring a genuinely new architecture with four sp.

On this page you'll find Grok 4.20's full specifications. Review provider pricing and benchmark scores below, or compare Grok 4.20 head-to-head with other AI models.

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Frequently asked questions

What is Grok 4.20? ▶

Grok 4.20 is xAI's flagship model released February 17, 2026 (beta), featuring a genuinely new architecture with four sp It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.

Who created Grok 4.20? ▶

Grok 4.20 was developed by xAI and released in 2026.

Is Grok 4.20 open source or proprietary? ▶

Grok 4.20 is a proprietary model. It is accessed through an API rather than by downloading the weights.

How much does Grok 4.20 cost? ▶

Pricing for Grok 4.20 depends on the provider. See the providers table on this page for the latest API rates.

How does Grok 4.20 perform on benchmarks? ▶

Benchmark scores for Grok 4.20 are listed on this page as they are published. You can compare it head-to-head with other models on the GenAIList compare tool.