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Grok 4.20 Beta


Grok 4.20 Beta is xAI logoxAI's language model, starting at $1.25 / 1M input and $2.50 / 1M output. The beta release of xAI's Grok 4.20 flagship LLM, offering high-speed agentic tool calling and strong prompt adherence.
Spec
Canonical IDxai-grok-4-20-beta
TypeLanguage
StatusActive
CreatorxAIxAI
Providers
Input ModalitiesText
Output ModalitiesText

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
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xAI
grok-4.20-beta-latest
$1.25$2.50$0.200$0.625$1.25$0.100

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 4.31.0M$1.25$2.50Available
Grok 4.202.0M$1.25$2.50Available
Grok 4.20 Multi-Agent2.0M$1.25$2.50Available
Grok 4.20 Multi-Agent Beta2.0M$1.25$2.50Available
Grok 4.20 Non-Reasoning2.0M$1.25$2.50Available
Grok 4.20 Reasoning2.0M$1.25$2.50Available
Grok 4.1 Fast2.0M$0.200$0.500Available
Grok 4 Fast2.0M$0.200$0.500Available
Grok 4 Fast Non-Reasoning2.0M$0.200$0.500Available
Grok 4256K$3.00$15.00Available
Grok 4.20 Beta$1.25$2.50Current

Model IDs