grok-4.20-beta-0309-reasoning
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AI modelsgrok-4.20-beta-0309-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 · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,480.48 rating
Confidence interval: 1,470.74 – 1,490.22
4245 votes
- Category
- chinese
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / codinghuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,458.81 rating
Confidence interval: 1,453.08 – 1,464.53
18377 votes
- Category
- coding
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / creative_writinghuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,431.60 rating
Confidence interval: 1,424.88 – 1,438.32
11439 votes
- Category
- creative_writing
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / englishhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,457.21 rating
Confidence interval: 1,452.38 – 1,462.05
30450 votes
- Category
- english
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / exclude_tieshuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,449.48 rating
Confidence interval: 1,444.72 – 1,454.24
50710 votes
- Category
- exclude_ties
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / experthuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,438.76 rating
Confidence interval: 1,430.70 – 1,446.81
6699 votes
- Category
- expert
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / frenchhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,475.86 rating
Confidence interval: 1,461.58 – 1,490.14
2221 votes
- Category
- french
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / germanhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,440.54 rating
Confidence interval: 1,421.54 – 1,459.55
1051 votes
- Category
- german
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / hard_promptshuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,451.55 rating
Confidence interval: 1,447.15 – 1,455.95
43527 votes
- Category
- hard_prompts
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / hard_prompts_englishhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,454.74 rating
Confidence interval: 1,449.22 – 1,460.26
20667 votes
- Category
- hard_prompts_english
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,431.80 rating
Confidence interval: 1,425.60 – 1,438.00
13366 votes
- Category
- industry_business_and_management_and_financial_operations
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,426.12 rating
Confidence interval: 1,419.94 – 1,432.30
14779 votes
- Category
- industry_entertainment_and_sports_and_media
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,453.64 rating
Confidence interval: 1,444.76 – 1,462.52
5326 votes
- Category
- industry_legal_and_government
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,462.64 rating
Confidence interval: 1,456.02 – 1,469.27
10873 votes
- Category
- industry_life_and_physical_and_social_science
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / industry_mathematicalhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,446.26 rating
Confidence interval: 1,435.83 – 1,456.70
3640 votes
- Category
- industry_mathematical
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,453.71 rating
Confidence interval: 1,444.57 – 1,462.85
4963 votes
- Category
- industry_medicine_and_healthcare
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,461.43 rating
Confidence interval: 1,456.36 – 1,466.51
26055 votes
- Category
- industry_software_and_it_services
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,433.68 rating
Confidence interval: 1,427.81 – 1,439.54
16617 votes
- Category
- industry_writing_and_literature_and_language
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / instruction_followinghuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,420.56 rating
Confidence interval: 1,415.25 – 1,425.87
22645 votes
- Category
- instruction_following
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / japanesehuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,414.48 rating
Confidence interval: 1,390.93 – 1,438.03
706 votes
- Category
- japanese
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / koreanhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,415.14 rating
Confidence interval: 1,395.55 – 1,434.72
1062 votes
- Category
- korean
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / longer_queryhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,436.60 rating
Confidence interval: 1,431.47 – 1,441.73
29108 votes
- Category
- longer_query
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / mathhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,455.20 rating
Confidence interval: 1,444.78 – 1,465.62
3535 votes
- Category
- math
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / multi_turnhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,455.80 rating
Confidence interval: 1,449.28 – 1,462.32
12119 votes
- Category
- multi_turn
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / non_englishhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,440.72 rating
Confidence interval: 1,436.19 – 1,445.25
35986 votes
- Category
- non_english
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / overallhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,450.83 rating
Confidence interval: 1,447.17 – 1,454.49
66436 votes
- Category
- overall
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / polishhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,451.41 rating
Confidence interval: 1,434.63 – 1,468.20
1253 votes
- Category
- polish
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / russianhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,457.81 rating
Confidence interval: 1,450.18 – 1,465.44
7432 votes
- Category
- russian
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
Arena text preference / spanishhuman preference · 2026-10-15 · rating
grok-4.20-beta-0309-reasoning
1,442.74 rating
Confidence interval: 1,428.72 – 1,456.77
2055 votes
- Category
- spanish
- Evaluated configuration
- grok-4.20-beta-0309-reasoning
- Evaluation type
- human preference
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