Kimi K2 Preview (0905)
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AI modelsKimi K2 Preview (0905)
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
Kimi K2 Preview (0905)
1,415.25 rating
Confidence interval: 1,396.11 – 1,434.40
957 votes
- Category
- chinese
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / codinghuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,399.09 rating
Confidence interval: 1,386.68 – 1,411.50
2232 votes
- Category
- coding
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / creative_writinghuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,349.44 rating
Confidence interval: 1,334.22 – 1,364.67
1482 votes
- Category
- creative_writing
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / englishhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,378.70 rating
Confidence interval: 1,369.89 – 1,387.50
4781 votes
- Category
- english
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / exclude_tieshuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,351.63 rating
Confidence interval: 1,343.14 – 1,360.12
8435 votes
- Category
- exclude_ties
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / experthuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,365.25 rating
Confidence interval: 1,341.27 – 1,389.23
576 votes
- Category
- expert
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / frenchhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,380.93 rating
Confidence interval: 1,342.30 – 1,419.56
216 votes
- Category
- french
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / germanhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,386.66 rating
Confidence interval: 1,351.60 – 1,421.71
277 votes
- Category
- german
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / hard_promptshuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,383.60 rating
Confidence interval: 1,375.26 – 1,391.94
5556 votes
- Category
- hard_prompts
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / hard_prompts_englishhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,378.38 rating
Confidence interval: 1,366.31 – 1,390.44
2392 votes
- Category
- hard_prompts_english
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,353.26 rating
Confidence interval: 1,340.13 – 1,366.40
2048 votes
- Category
- industry_business_and_management_and_financial_operations
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,341.66 rating
Confidence interval: 1,328.85 – 1,354.46
2079 votes
- Category
- industry_entertainment_and_sports_and_media
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,402.64 rating
Confidence interval: 1,381.62 – 1,423.65
768 votes
- Category
- industry_legal_and_government
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,386.78 rating
Confidence interval: 1,372.53 – 1,401.03
1740 votes
- Category
- industry_life_and_physical_and_social_science
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / industry_mathematicalhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,399.43 rating
Confidence interval: 1,376.84 – 1,422.03
641 votes
- Category
- industry_mathematical
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,382.65 rating
Confidence interval: 1,360.12 – 1,405.19
719 votes
- Category
- industry_medicine_and_healthcare
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,393.83 rating
Confidence interval: 1,384.12 – 1,403.53
3860 votes
- Category
- industry_software_and_it_services
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,345.49 rating
Confidence interval: 1,333.84 – 1,357.14
2579 votes
- Category
- industry_writing_and_literature_and_language
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / instruction_followinghuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,347.58 rating
Confidence interval: 1,336.60 – 1,358.55
2889 votes
- Category
- instruction_following
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / japanesehuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,348.69 rating
Confidence interval: 1,308.69 – 1,388.68
209 votes
- Category
- japanese
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / koreanhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,322.70 rating
Confidence interval: 1,288.03 – 1,357.37
313 votes
- Category
- korean
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / longer_queryhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,352.84 rating
Confidence interval: 1,341.37 – 1,364.30
2578 votes
- Category
- longer_query
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / mathhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,397.30 rating
Confidence interval: 1,376.66 – 1,417.94
755 votes
- Category
- math
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / multi_turnhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,365.14 rating
Confidence interval: 1,352.04 – 1,378.23
2030 votes
- Category
- multi_turn
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / non_englishhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,372.43 rating
Confidence interval: 1,364.67 – 1,380.19
6811 votes
- Category
- non_english
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / overallhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,379.88 rating
Confidence interval: 1,373.39 – 1,386.37
11592 votes
- Category
- overall
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / polishhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,377.67 rating
Confidence interval: 1,355.03 – 1,400.31
680 votes
- Category
- polish
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / russianhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,384.27 rating
Confidence interval: 1,364.31 – 1,404.22
839 votes
- Category
- russian
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Arena text preference / spanishhuman preference · 2026-10-28 · rating
Kimi K2 Preview (0905)
1,387.45 rating
Confidence interval: 1,356.18 – 1,418.72
390 votes
- Category
- spanish
- Evaluated configuration
- Kimi K2 Preview (0905)
- Evaluation type
- human preference
Run it locally
Capabilities
- Model license
- Modified MIT
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