xAI
Grok 4.3 (medium) is an xAI Grok model profile, part of xAI's assistant and reasoning model family for real-time, coding, and general-purpose AI workflows. The benchmark snapshot highlights how this Grok variant compares with competing frontier and open-weight models on capability, speed, latency, and cost.
xAI model releasesRank #36 across 523
Rank #91 across 433
Rank #238 across 355
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Higher bars mean stronger relative placement.
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 48.8 | #36 |
| Artificial Analysis Coding Index | coding | 35.1 | #91 |
| GPQA | reasoning | 89.0% | #26 |
| Humanity's Last Exam | reasoning | 28.1% | #37 |
| SciCode |
| coding, reasoning |
| 44.6% |
| #53 |
| Output Speed | speed | 197.6 tok/s | #33 |
| Time to First Token | speed | 10.34s | #260 |
| Blended Price | cost | $1.56/M | #238 |
| Input Price | cost | $1.25/M | #266 |
| Output Price | cost | $2.50/M | #203 |
| Value Index | cost, overall | 31.2 | #182 |