grok-4.20-0309-reasoning
xAI- average±2.1 (95%)
- 83.4
- leaderboard rankof 114
- ≈14
- benchmarksof 12
- 12
- per 1,000 documentsmean over its benchmarks
- $19
- seconds per inputmean response time
- 53.8
By task
-
Data correction
79.2
Best of 114 models with all its benchmarks: claude-opus-5-5, 82.7.
-
Document understanding
85.6
Best of 107 models with all its benchmarks: gpt-6-astra, 97.0.
-
Information extraction
85.1
Best of 107 models with all its benchmarks: grok-4.6, 90.8.
-
Transcription
87.8
Best of 114 models with all its benchmarks: gemini-4-argon, 96.2.
By benchmark
| Benchmark | ScoreThe best current run on each benchmark, on the benchmark's metric scaled to 0–100. ± is the 95% sampling margin, from resampling the run's inputs. | RankRank among all current models on that benchmark; ≈ for models that cannot be told apart within sampling error. | Per 1,000 docs | s / input | Best run |
|---|---|---|---|---|---|
| Bibliographic Data | 97.6±1.9 | ≈8of 115 | $35$0.18 run | 104.77 | T0718 · 26 Sep 2026prompt.txt |
| Blacklist Cards | 94.1±2.7 | ≈14of 114 | $11$0.35 run | 29.97 | T0725 · 16 Sep 2026prompt.txt |
| Book Advert XML Repair | 62.5±10.1 | ≈1of 119 | $29$1.46 run | 45.57 | T0728 · 23 Mar 2026prompt.txt |
| Business Letters | 63.0±6.4 | ≈24of 114 | $12$0.70 run | 22.94 | T0719 · 16 Sep 2026prompt.txt |
| Company Lists | 86.5±10.3 | ≈29of 114 | $16$0.25 run | 49.32 | T0726 · 16 Sep 2026prompt.txt |
| Duty Rosters | 81.7±3.4 | ≈30of 107 | $27$0.58 run | 95.21 | T1313 · 16 Sep 2026prompt.txt |
| Fraktur Adverts | 96.8±1.1 | ≈27of 114 | $31$0.15 run | 101.59 | T0722 · 16 Sep 2026prompt_optimized.txt |
| General Meeting Minutes | 83.6±7.8 | ≈25of 108 | $19$0.17 run | 66.17 | T1274 · 16 Sep 2026prompt.txt |
| Library Cards | 89.3±1.3 | ≈15of 114 | $9.13$2.40 run | 27.41 | T0723 · 16 Sep 2026prompt.txt |
| Magazine Pages | 79.2±9.4 | ≈18of 115 | $9.80$0.45 run | 27.1 | T0813 · 16 Sep 2026prompt.txt |
| Medieval Manuscripts | 70.8±14.3 | ≈27of 114 | $15$0.18 run | 45.81 | T0724 · 16 Sep 2026prompt.txt |
| Personnel Cards | 95.9±2.2 | ≈30of 114 | $16$0.98 run | 29.79 | T0729 · 16 Sep 2026prompt.txt |
Price
| From | Input, $ per million tokens | Output, $ per million tokens | Source |
|---|---|---|---|
| 22 Jul 2026 | 1.25 | 2.5 | archived price page |
| 22 Mar 2026 | 2.0 | 6.0 | archived price page |
Every run
- T0718Bibliographic Data26 Sep 202697.6$0.18
- T1313Duty Rosters16 Sep 202681.7$0.58
- T1274General Meeting Minutes16 Sep 202683.6$0.17
- T0813Magazine Pages16 Sep 202679.2$0.45
- T0729Personnel Cards16 Sep 202695.9$0.98
- T0728Book Advert XML Repair16 Sep 202649.7$0.72
- T0727Company Lists16 Sep 202673.4$0.22
- T0726Company Lists16 Sep 202686.5$0.25
- T0725Blacklist Cards16 Sep 202694.1$0.35
- T0724Medieval Manuscripts16 Sep 202670.8$0.18
- T0723Library Cards16 Sep 202689.3$2.40
- T0722Fraktur Adverts16 Sep 202696.8$0.15
- T0721Business Letters16 Sep 2026 · 32 signed letters63.0$0.40
- T0720Business Letters16 Sep 2026 · 25 unsigned letters63.0$0.27
- T0719Business Letters16 Sep 2026 · all 57 letters63.0$0.70
- T0718Bibliographic Data16 Sep 202697.4$0.15
- T1313Duty Rosters24 Jul 202680.3$0.59
- T1274General Meeting Minutes3 Jul 202682.0$0.095
- T0813Magazine Pages23 Mar 202649.1$0.69
- T0729Personnel Cards23 Mar 202682.4$1.94
- T0728Book Advert XML Repair23 Mar 202662.5$1.46
- T0727Company Lists23 Mar 202634.7$0.50
- T0726Company Lists23 Mar 202649.3$0.62
- T0725Blacklist Cards23 Mar 202693.5$0.57
- T0724Medieval Manuscripts23 Mar 202651.5$0.31
- T0723Library Cards23 Mar 202686.1$4.68
- T0722Fraktur Adverts23 Mar 20264.7$0.19
- T0721Business Letters23 Mar 2026 · 32 signed letters32.0$0.57
- T0720Business Letters23 Mar 2026 · 25 unsigned letters18.0$0.36
- T0719Business Letters23 Mar 2026 · all 57 letters22.0$0.94
- T0718Bibliographic Data23 Mar 202682.9$0.42