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xAI: grok-4.20-non-reasoning

grok-4.20-non-reasoning
1M context8.2K outToolsVisionCacheStructuredWeb search
Released Mar 9, 2026Knowledge cutoff Mar 2026Updated Aug 27, 2026

Grok-4.20-beta-0309-non-reasoning is the ultra-fast, efficiency-first variant of the Grok-4.20 family. Released as part of the March 2026 update, this model bypasses the "Reasoning Trace" (Chain-of-Thought) layers to provide near-instantaneous responses for high-volume data processing. It is powered by the Colossus supercluster and features a "Rapid Learning" architecture that incorporates real-time X platform data with millisecond latency. This model is ideal for tasks where immediate pattern recognition, fast drafting, or real-time information retrieval from X (Twitter) is required, offering the lowest hallucination rate in the non-reasoning class through its "Society of Mind" multi-agent verification (performed silently in the background).

Mode chatTokenizer GrokDeprecation Apr 2027

Inputs used for the providers' own purposes

At least one provider of this model uses your inputs for its own purposes, for example to train AI models. Do not enter personal data of third parties or sensitive data. You can object to this use at any time in your account settings or via "Manage consents" in the chat.

Read the privacy policy

Pricing

Input price
$1.97/ 1M tokens
Output price
$3.94/ 1M tokens
Compatible endpoints openaiVendor xAI

Uptime

Performance

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Usage & Ranking

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Supported parameters

All providers = every upstream serving this model supports it. Some providers = depends on which upstream handles the request. Default = the value sent when you leave the parameter unset.

ParameterProvidersDefault
frequency_penaltySome providersNot sent by default
include_reasoningAll providers-
logprobsAll providers-
max_tokensAll providers-
presence_penaltySome providersNot sent by default
reasoningAll providers-
repetition_penaltySome providersNot sent by default
response_formatAll providers-
seedAll providers-
structured_outputsAll providers-
temperatureAll providersNot sent by default
tool_choiceAll providers-
toolsAll providers-
top_kSome providersNot sent by default
top_logprobsAll providers-
top_pAll providersNot sent by default

Frequently asked questions

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