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Grok 4.20 0309 v2 (Reasoning)
SpaceXAI · Released 2026-04-07 · Independent benchmark scores from Artificial Analysis
Intelligence Index
25.7
Output speed
0.0
tokens/sec
Blended price
$1.56
per 1M tokens
Time to first token
0.00s
Model metadata
| Model ID | c72cb85a-18a4-4235-b455-77dff2f16c50 |
|---|---|
| Slug | grok-4-20 |
| Release date | 2026-04-07 |
| Provider | SpaceXAI |
| Provider slug | xai |
| Output speed | 0.0 tok/s |
| Time to first token | 0.00s |
| Time to first answer | 0.00s |
| Blended price ($/1M) | $1.56 |
| Input price ($/1M) | $1.25 |
| Output price ($/1M) | $2.50 |
All evaluation scores (18)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | — |
| artificial analysis intelligence index | 25.70 |
| artificial analysis math index | — |
| gpqa | 91.1% |
| hle | 34.5% |
| ifbench | 81.2% |
| lcr | 69.0% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | — |
| tau banking | — |
| tau2 | 93.0% |
| terminalbench hard | 37.9% |
| terminalbench v2 1 | — |
| terminalbench v4 0 | — |
Source: artificialanalysis.ai/models/grok-4-20
Benchmark data from Artificial Analysis.