Grok 4.20
xAI
62.7#71 of 427 overall
- Input / output
- US$ 1,25 / US$ 2,50 US$ per 1M tokens
- Context
- 2M tokens
- Release
- 03/31/2026 release date
- Weights
- Closed
- Speed
- 0 tok/s first token in 0.00 s
Family history
The 11 versions of this family, from first to newest, by release date. Click a point to open that version.
See the data as a table
| Model | Released | Score | Rank | AA Intel. | Elo Arena |
|---|---|---|---|---|---|
| Grok 2 | 12/12/2024 | 20.5 | #401 | — | 1305 |
| Grok 3 | 02/19/2025 | 45.6 | #192 | — | 1425 |
| Grok 4 | 07/10/2025 | 54.0 | #111 | — | 1411 |
| Grok 4.1 | — | — | — | — | 1436 |
| Grok 4.20 | 03/31/2026 | 62.7 | #71 | — | 1451 |
| Grok 4.20 0309 v2 | 04/07/2026 | 66.8 | #55 | — | — |
| Grok 4.3 | 04/30/2026 | 44.0 | #206 | — | 1397 |
| Grok Latest | 07/08/2026 | 34.5 | #308 | — | — |
| Grok 4.5 | 07/08/2026 | 72.9 | #32 | — | 1448 |
| Grok 4.6 | 08/12/2026 | 65.3 | #60 | — | 1429 |
| Grok 4.7 | 09/21/2026 | 66.4 | #57 | 35.0 | 1398 |
Scores by source
Scores by sourcepercentile = % of ranked models it beats| Metric | Value | Percentile | Source |
|---|---|---|---|
| Arena text (Elo) weight 2 | 1451 | 79% | LMArena |
| Arena WebDev (Elo) weight 1 | 1375 | 26% | LMArena |
| Arena vision (Elo) weight 0.5 | 1262 | 59% | LMArena |
| Humanity's Last Exam weight 1 | 32.4 | 82% | Artificial Analysis |
| GPQA Diamond | 88.5 | 86% | Artificial Analysis |
| Long-context reasoning | 67.7 | 57% | Artificial Analysis |
By category
| Category | Score | Rank | Metrics |
|---|---|---|---|
| Coding | 38.0 | #86 | Arena WebDev (Elo) |
| Reasoning | 72.6 | #58 | Humanity's Last Exam, GPQA Diamond |
| Research | 53.7 | #147 | Long-context reasoning |
| Design | 38.0 | #86 | Arena WebDev (Elo) |
| Chat | 64.6 | #42 | Arena text (Elo) |
| Vision | 54.3 | #44 | Arena vision (Elo) |
History
RankingIA score on each collection day (hover to see the rank).
Daily collection started on 10/30/2026. The chart appears from the second day the model is ranked.