Rankings / xAI
Grok 4.1 Fast Reasoning
proprietaryrelease date unknown
BenchAtlas Index
as of 2026-09-11
base configuration
rank #170
8 families · 3 categories · medium
Benchmark evidence
37 results
human preference
| Chinese (style control)older version arena=text · category=chinese · style_control=true | 1463.8 1454.0–1473.5 | community | LMArena Leaderboard Dataset | |
| Coding (style control)older version arena=text · category=coding · style_control=true | 1460.6 1454.8–1466.3 | community | LMArena Leaderboard Dataset | |
| Industry Software And It Services (style control)older version arena=text · category=industry_software_and_it_services · style_control=true | 1455.8 1450.9–1460.7 | community | LMArena Leaderboard Dataset | |
| Hard Prompts English (style control)older version arena=text · category=hard_prompts_english · style_control=true | 1448.0 1442.4–1453.7 | community | LMArena Leaderboard Dataset | |
| Industry Medicine And Healthcare (style control)older version arena=text · category=industry_medicine_and_healthcare · style_control=true | 1446.2 1436.1–1456.4 | community | LMArena Leaderboard Dataset | |
| Industry Life And Physical And Social Science (style control)older version arena=text · category=industry_life_and_physical_and_social_science · style_control=true | 1445.5 1438.8–1452.2 | community | LMArena Leaderboard Dataset | |
| English (style control)older version arena=text · category=english · style_control=true | 1442.5 1437.9–1447.1 | community | LMArena Leaderboard Dataset | |
| Hard Prompts (style control)older version arena=text · category=hard_prompts · style_control=true | 1441.0 1436.9–1445.1 | community | LMArena Leaderboard Dataset | |
| French (style control)older version arena=text · category=french · style_control=true | 1440.0 1423.0–1457.0 | community | LMArena Leaderboard Dataset | |
| Expert (style control)older version arena=text · category=expert · style_control=true | 1438.1 1428.5–1447.6 | community | LMArena Leaderboard Dataset | |
| Overall (style control) arena=text · category=overall · style_control=true | 1430.3 1427.0–1433.5 | community | LMArena Leaderboard Dataset | |
| Spanish (style control)older version arena=text · category=spanish · style_control=true | 1428.5 1413.0–1444.1 | community | LMArena Leaderboard Dataset | |
| Industry Legal And Government (style control)older version arena=text · category=industry_legal_and_government · style_control=true | 1425.4 1415.7–1435.1 | community | LMArena Leaderboard Dataset | |
| Exclude Ties (style control)older version arena=text · category=exclude_ties · style_control=true | 1424.0 1419.4–1428.5 | community | LMArena Leaderboard Dataset | |
| Polish (style control)older version arena=text · category=polish · style_control=true | 1423.4 1407.5–1439.3 | community | LMArena Leaderboard Dataset | |
| Longer Query (style control)older version arena=text · category=longer_query · style_control=true | 1422.3 1417.0–1427.5 | community | LMArena Leaderboard Dataset | |
| Industry Mathematical (style control)older version arena=text · category=industry_mathematical · style_control=true | 1422.0 1410.3–1433.6 | community | LMArena Leaderboard Dataset | |
| German (style control)older version arena=text · category=german · style_control=true | 1418.5 1398.3–1438.7 | community | LMArena Leaderboard Dataset | |
| Math (style control)older version arena=text · category=math · style_control=true | 1417.1 1406.8–1427.4 | community | LMArena Leaderboard Dataset | |
| Industry Business And Management And Financial Operations (style control)older version arena=text · category=industry_business_and_management_and_financial_operations · style_control=true | 1416.7 1410.4–1422.9 | community | LMArena Leaderboard Dataset | |
| Creative Writing (style control)older version arena=text · category=creative_writing · style_control=true | 1414.7 1407.8–1421.6 | community | LMArena Leaderboard Dataset | |
| Multi Turn (style control)older version arena=text · category=multi_turn · style_control=true | 1413.8 1407.2–1420.3 | community | LMArena Leaderboard Dataset | |
| Non English (style control)older version arena=text · category=non_english · style_control=true | 1413.5 1409.5–1417.7 | community | LMArena Leaderboard Dataset | |
| Russian (style control)older version arena=text · category=russian · style_control=true | 1412.2 1404.7–1419.7 | community | LMArena Leaderboard Dataset | |
| Industry Writing And Literature And Language (style control)older version arena=text · category=industry_writing_and_literature_and_language · style_control=true | 1407.6 1401.8–1413.4 | community | LMArena Leaderboard Dataset | |
| Industry Entertainment And Sports And Media (style control)older version arena=text · category=industry_entertainment_and_sports_and_media · style_control=true | 1402.8 1396.6–1409.1 | community | LMArena Leaderboard Dataset | |
| Instruction Following (style control)older version arena=text · category=instruction_following · style_control=true | 1401.7 1396.4–1406.9 | community | LMArena Leaderboard Dataset | |
| Korean (style control)older version arena=text · category=korean · style_control=true | 1378.3 1357.6–1399.0 | community | LMArena Leaderboard Dataset |
knowledge science
| GPQA Diamond implementation=vals-ai | 84.3 % | independent | Vals AI | |
| MMLU-Pro implementation=vals-ai | 84.2 % | independent | Vals AI |
multimodal
| MMMU implementation=vals-ai | 72.7 % | independent | Vals AI |
professional
| CaseLaw | 60.5 % | independent | Vals AI | |
| CorpFin | 66.0 % | independent | Vals AI | |
| LegalBench | 82.5 % | independent | Vals AI | |
| MedQA | 92.1 % | independent | Vals AI | |
| TaxEval | 73.1 % | independent | Vals AI |
reasoning math
| AIME implementation=vals-ai | 91.9 % | independent | Vals AI |
