SpaceXAI
Grok 4.20 0309 (Reasoning) 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 #79 across 566
No rank
Rank #265 across 371
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Higher bars mean stronger relative placement.
Streaming speed is not measured for this model yet.
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 36.5 | #79 |
| GPQA | reasoning | 88.5% | #51 |
| Humanity's Last Exam | reasoning | 30.0% | #53 |
| SciCode | coding, reasoning | 44.7% | #79 |
| Blended Price |
| cost |
| $3.00/M |
| #265 |
| Input Price | cost | $2.00/M | #300 |
| Output Price | cost | $6.00/M | #255 |
| Value Index | cost, overall | 12.2 | #220 |