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Grok 3 (Think)

Grok 3 (Think) is an AI model made by xAI. xAI released it on 19 February 2025. xAI retired it on 15 May 2026.

In inglese

xAI

Released
19 February 2025 — x.ai, read 16 October 2026
Status
Not confirmed: two readings disagree: retired and preview
Takes
Text — x.ai, read 16 October 2026
Returns
Not confirmed: two readings disagree: text, code and text
Open weights
Not confirmed: The maker's announcement and documentation reviewed do not state whether Grok 3 (Think) has open weights.
Licence
Not confirmed: The maker's pages reviewed do not name a licence for Grok 3 (Think).
Context window
Not confirmed: two readings disagree: 1000000 and 131072
Longest answer
Not confirmed: The maker's pages reviewed do not print a standard maximum output-token limit for Grok 3 (Think).
Knowledge cutoff
Not confirmed: The maker's pages reviewed do not state a knowledge cutoff for Grok 3 (Think).
API price, input
Not confirmed: The maker's retirement notice says the `grok-3` API slug redirects to a different model; the pages reviewed do not give a standard input price for Grok 3 (Think) itself.
API price, output
Not confirmed: The maker's retirement notice says the `grok-3` API slug redirects to a different model; the pages reviewed do not give a standard output price for Grok 3 (Think) itself.
Where
Not confirmed: two readings disagree: app and api, app
Parameters
Not confirmed: The maker's pages reviewed do not publish a parameter count for Grok 3 (Think).
Model card
Not confirmed: The maker's pages reviewed do not provide a model card or system card for Grok 3 (Think).

Questions

When was Grok 3 (Think) released?

xAI released Grok 3 (Think) on 19 February 2025.

More from xAI

Sources

  1. Grok 3 Beta — The Age of Reasoning Agents (read 16 October 2026)
  2. Grok Model Retirement on May 15, 2026 (read 16 October 2026)
  3. Grok Models & Pricing (read 16 October 2026)

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