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InternLM2.5 20B Chat

Model evaluation

Capability & preference

Human preference · Arena

Overall text preferences from head-to-head votes. Not factual accuracy or a task-success rate.

InternLM2.5 20B Chat 1158.4 InternLM2.5 20B Chat · 95% interval 1151.4–1165.5 · 9,901 votes · 2026-10-28

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

InternLM2.5 20B Chat

1,199.39 rating

Confidence interval: 1,180.69 – 1,218.09

959 votes

Category
chinese
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / codinghuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,158.73 rating

Confidence interval: 1,144.69 – 1,172.77

1684 votes

Category
coding
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / creative_writinghuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,122.45 rating

Confidence interval: 1,106.58 – 1,138.31

1432 votes

Category
creative_writing
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / englishhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,202.92 rating

Confidence interval: 1,193.69 – 1,212.15

4966 votes

Category
english
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / exclude_tieshuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,010.04 rating

Confidence interval: 997.99 – 1,022.09

6447 votes

Category
exclude_ties
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / experthuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,150.35 rating

Confidence interval: 1,128.43 – 1,172.26

604 votes

Category
expert
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / germanhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,062.70 rating

Confidence interval: 1,025.50 – 1,099.89

265 votes

Category
german
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / hard_promptshuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,157.91 rating

Confidence interval: 1,146.58 – 1,169.24

2597 votes

Category
hard_prompts
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / hard_prompts_englishhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,188.76 rating

Confidence interval: 1,174.32 – 1,203.20

1456 votes

Category
hard_prompts_english
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,115.13 rating

Confidence interval: 1,098.32 – 1,131.93

1289 votes

Category
industry_business_and_management_and_financial_operations
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,103.00 rating

Confidence interval: 1,087.33 – 1,118.68

1427 votes

Category
industry_entertainment_and_sports_and_media
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,151.46 rating

Confidence interval: 1,128.38 – 1,174.54

685 votes

Category
industry_legal_and_government
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,164.89 rating

Confidence interval: 1,150.15 – 1,179.64

1700 votes

Category
industry_life_and_physical_and_social_science
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / industry_mathematicalhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,180.94 rating

Confidence interval: 1,164.62 – 1,197.25

1086 votes

Category
industry_mathematical
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,151.60 rating

Confidence interval: 1,126.56 – 1,176.64

548 votes

Category
industry_medicine_and_healthcare
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,163.55 rating

Confidence interval: 1,151.81 – 1,175.29

2727 votes

Category
industry_software_and_it_services
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,135.89 rating

Confidence interval: 1,123.81 – 1,147.96

2757 votes

Category
industry_writing_and_literature_and_language
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / instruction_followinghuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,134.94 rating

Confidence interval: 1,124.98 – 1,144.90

4092 votes

Category
instruction_following
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / longer_queryhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,148.92 rating

Confidence interval: 1,132.66 – 1,165.18

1266 votes

Category
longer_query
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / mathhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,179.74 rating

Confidence interval: 1,164.98 – 1,194.50

1387 votes

Category
math
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / multi_turnhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,135.54 rating

Confidence interval: 1,120.98 – 1,150.10

1751 votes

Category
multi_turn
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / non_englishhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,104.24 rating

Confidence interval: 1,094.57 – 1,113.91

4935 votes

Category
non_english
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / overallhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,158.42 rating

Confidence interval: 1,151.37 – 1,165.47

9901 votes

Category
overall
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference
Arena text preference / russianhuman preference · 2026-10-28 · rating

InternLM2.5 20B Chat

1,106.80 rating

Confidence interval: 1,091.11 – 1,122.49

1425 votes

Category
russian
Evaluated configuration
InternLM2.5 20B Chat
Evaluation type
human preference

Run it locally

Inference · memory estimate

InternLM2.5 20B Chat

Not enough verified architecture information for a reliable VRAM estimate.

Capabilities

Model license
Other