Grok 4.20 Reasoning

by xAI

xAI's Grok 4.20 — strong on reasoning, real-time information, and unfiltered responses.

ReasoningVisionToolsStructured output
Context window
2M
Max output
30K
Input price
$2.00 /1M
Output price
$6.00 /1M

Available routes

The same Grok 4.20 Reasoning runs on 3 different routes through the Opper gateway. Each route has its own data-handling posture.

ProviderRegionZero data retentionTrainingLoggingContractInputOutput
Google CloudEUOpt-inNo
Abuse-monitoring logs (window not stated) + 24h in-memory cache. Search/Maps grounding adds 30-day retention with no opt-out.
PAYG$2.00$6.00
xAIUSOpt-inNo (opt-in)
Up to 30 days for abuse monitoring
Enterprise$2.00$6.00
xAIEUOpt-inNo (opt-in)
Up to 30 days for abuse monitoring
Enterprise$2.00$6.00

Human review: Abuse-flagged only

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Grok 4.20 Reasoning by xAI — pricing, benchmarks, hosting routes | Opper AI