How much does Grok 4.20 Beta cost?

Grok 4.20 Beta costs $2.00 per million input tokens and $6.00 per million output tokens. For a typical conversation (~2,000 tokens), that's approximately $0.010 per message.

What benchmarks has Grok 4.20 Beta been tested on?

Grok 4.20 Beta has not been benchmarked yet. Scores are added as benchmarks are published.

Is Grok 4.20 Beta open source?

No, Grok 4.20 Beta is a proprietary model by xAI.

How does Grok 4.20 Beta compare to 3b De Ft Research_release?

Grok 4.20 Beta has an average score of 0.0 while 3b De Ft Research_release scores 0.0. 3b De Ft Research_release slightly outperforms Grok 4.20 Beta overall. See full comparison →

Home/Models/Grok 4.20 Beta

Grok 4.20 Beta

by xAI · Released Mar 2026

Multimodal2M ContextPreview

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Context

2.0M tokens (~1,000 books)

Input $/1M

$2.00

Output $/1M

$6.00

Type

multimodal

License

Proprietary

Benchmarks

0 tested

Data updated today

About

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. [Learn more in our docs](https://openrouter.ai/docs/use-cases/reasoning-tokens#controlling-reasoning-tokens)

No benchmark data available yet.

Model Family · xAI Grok 4.20

Grok 4.20Mar 2026

$1.25/M in2.0Mctx

Grok 4.20 BetaMar 2026

$2.00/M in(+0.75)2.0Mctx

Grok 4.20 Multi-AgentMar 2026

$2.00/M in2.0Mctx

Grok 4.20 Multi-Agent BetaMar 2026

$2.00/M in2.0Mctx

See the full Grok 4.20 family →

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