Grok 4 Fast (Reasoning)
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AI modelsGrok 4 Fast (Reasoning)
Model evaluation
Capability & preference
Human preference · Arena
Overall text preferences from head-to-head votes. Not factual accuracy or a task-success rate.
Recorded results
Only the same benchmark, version, workload, scenario and unit share a row. Missing results are not zero. System results include the full submitted hardware and software configuration.
Arena text preference / chinesehuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,436.23 rating
Confidence interval: 1,419.03 – 1,453.43
1156 votes
- Category
- chinese
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / codinghuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,419.95 rating
Confidence interval: 1,410.62 – 1,429.28
3940 votes
- Category
- coding
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / creative_writinghuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,378.03 rating
Confidence interval: 1,366.25 – 1,389.82
2490 votes
- Category
- creative_writing
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / englishhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,406.54 rating
Confidence interval: 1,399.64 – 1,413.44
8100 votes
- Category
- english
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / exclude_tieshuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,379.98 rating
Confidence interval: 1,372.96 – 1,387.00
12872 votes
- Category
- exclude_ties
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / experthuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,411.82 rating
Confidence interval: 1,392.85 – 1,430.80
942 votes
- Category
- expert
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / frenchhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,431.98 rating
Confidence interval: 1,397.52 – 1,466.45
290 votes
- Category
- french
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / germanhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,382.83 rating
Confidence interval: 1,352.57 – 1,413.10
364 votes
- Category
- german
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / hard_promptshuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,404.75 rating
Confidence interval: 1,398.35 – 1,411.15
9852 votes
- Category
- hard_prompts
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / hard_prompts_englishhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,413.56 rating
Confidence interval: 1,404.61 – 1,422.51
4404 votes
- Category
- hard_prompts_english
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,394.38 rating
Confidence interval: 1,384.50 – 1,404.26
3569 votes
- Category
- industry_business_and_management_and_financial_operations
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,366.86 rating
Confidence interval: 1,356.73 – 1,376.98
3307 votes
- Category
- industry_entertainment_and_sports_and_media
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,427.48 rating
Confidence interval: 1,410.42 – 1,444.54
1145 votes
- Category
- industry_legal_and_government
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,426.59 rating
Confidence interval: 1,415.89 – 1,437.29
2975 votes
- Category
- industry_life_and_physical_and_social_science
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / industry_mathematicalhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,401.18 rating
Confidence interval: 1,382.81 – 1,419.55
976 votes
- Category
- industry_mathematical
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,415.04 rating
Confidence interval: 1,395.31 – 1,434.77
873 votes
- Category
- industry_medicine_and_healthcare
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,416.56 rating
Confidence interval: 1,409.05 – 1,424.07
6521 votes
- Category
- industry_software_and_it_services
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,380.76 rating
Confidence interval: 1,371.57 – 1,389.96
4158 votes
- Category
- industry_writing_and_literature_and_language
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / instruction_followinghuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,382.52 rating
Confidence interval: 1,374.29 – 1,390.76
5330 votes
- Category
- instruction_following
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / japanesehuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,352.55 rating
Confidence interval: 1,311.74 – 1,393.35
212 votes
- Category
- japanese
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / koreanhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,358.04 rating
Confidence interval: 1,327.16 – 1,388.91
370 votes
- Category
- korean
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / longer_queryhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,412.18 rating
Confidence interval: 1,403.35 – 1,421.02
4529 votes
- Category
- longer_query
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / mathhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,403.64 rating
Confidence interval: 1,385.90 – 1,421.39
1078 votes
- Category
- math
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / multi_turnhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,404.16 rating
Confidence interval: 1,393.25 – 1,415.07
2953 votes
- Category
- multi_turn
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / non_englishhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,388.48 rating
Confidence interval: 1,382.19 – 1,394.76
10133 votes
- Category
- non_english
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / overallhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,399.60 rating
Confidence interval: 1,394.56 – 1,404.65
18270 votes
- Category
- overall
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / polishhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,378.98 rating
Confidence interval: 1,357.38 – 1,400.57
744 votes
- Category
- polish
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / russianhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,388.65 rating
Confidence interval: 1,373.61 – 1,403.69
1411 votes
- Category
- russian
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
Arena text preference / spanishhuman preference · 2026-10-28 · rating
Grok 4 Fast (Reasoning)
1,404.07 rating
Confidence interval: 1,380.00 – 1,428.14
598 votes
- Category
- spanish
- Evaluated configuration
- Grok 4 Fast (Reasoning)
- Evaluation type
- human preference
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