Model Tracker
Grok 3
Grok 3 is an AI model made by xAI. xAI released it on 19 February 2025. It is retired. xAI retired it on 15 May 2026.
- Released
- 19 February 2025 — x.ai, read 16 October 2026
- Status
- Retired — docs.x.ai, read 16 October 2026
- Retired
- 15 May 2026 — docs.x.ai, read 16 October 2026
- Takes
- Text — x.ai, read 16 October 2026
- Returns
- Not confirmed: two readings disagree: text, code and text
- Open weights
- Not confirmed: The cited official pages do not state whether Grok 3's weights are open or downloadable.
- Licence
- Not confirmed: The cited official pages do not name a licence for Grok 3.
- Context window
- Not confirmed: two readings disagree: 1000000 and 131072
- Longest answer
- Not confirmed: The cited official pages do not print Grok 3's standard maximum output-token limit.
- Knowledge cutoff
- Not confirmed: The cited official pages do not state Grok 3's knowledge cutoff.
- API price, input
- Not confirmed: The current official model pricing page does not list Grok 3; the retirement notice says its slug redirects to a replacement model, so no standard Grok 3 input price is confirmed.
- API price, output
- Not confirmed: The current official model pricing page does not list Grok 3; the retirement notice says its slug redirects to a replacement model, so no standard Grok 3 output price is confirmed.
- Where
- Not confirmed: The launch page documents API and app rollout, but the retirement notice confirms retirement from the API and the cited current pages do not establish where Grok 3 itself is still served.
- Parameters
- Not confirmed: The cited official pages do not publish Grok 3's parameter count.
- Model card
- Not confirmed: No Grok 3 model card or system card is identified on the cited official pages.
Benchmarks
Measured by others, not by the maker: each score with the name the measurer gives the model and the setting it ran, its day and its licence.
Epoch AI
- Epoch Capabilities Index, Grok 3: 138.3 (135.5–139.7), as of 19 October 2026
- GPQA Diamond, grok-3-beta: 75.8% (± 2.7), run 26 May 2025
- OTIS Mock AIME 2024–2025, grok-3-beta: 55.6% (± 7.5), run 10 April 2025
Epoch AI, ‘Capabilities & benchmarking’, epoch.ai/benchmarks, CC BY 4.0: Epoch AI’s own runs and its Capabilities Index. Data · CC BY 4.0
Questions
When was Grok 3 released?
xAI released Grok 3 on 19 February 2025.
Is Grok 3 still available?
No: xAI retired Grok 3 on 15 May 2026.
More from xAI
- Grok 3 (Think)
- Grok 3 mini
- Grok 3 mini (Think)
- Grok 4
- Grok 4 Fast
- Grok 4 Heavy
- Grok 4.1
- Grok 4.1 Fast
- Grok 4.20
- Grok 4.20 Multi-Agent Beta
- Grok 4.3
- Grok 4.5
- Grok 4.6
- Grok 4.7
- Grok Build 0.1
- Grok Code Fast 1
- Grok Imagine Image 2.0
- Grok Imagine Video 1.5
- Grok Voice 1.0
- Grok Voice 2.0
- Grok Voice 3.0
- Grok-1
- Grok-1.5V
- Grok-2
Sources
- Grok 3 Beta — The Age of Reasoning Agents (read 16 October 2026)
- Grok Model Retirement on May 15, 2026 (read 16 October 2026)