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AI models
stepfun

step-3

Model evaluation

Capability & preference

Human preference · Arena

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

step-3 1350.3 step-3 · 95% interval 1342.8–1357.7 · 6,293 votes · 2026-10-15

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

step-3

1,397.26 rating

Confidence interval: 1,364.89 – 1,429.63

312 votes

Category
chinese
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / codinghuman preference · 2026-10-15 · rating

step-3

1,367.01 rating

Confidence interval: 1,350.47 – 1,383.54

1212 votes

Category
coding
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / creative_writinghuman preference · 2026-10-15 · rating

step-3

1,320.89 rating

Confidence interval: 1,300.05 – 1,341.72

770 votes

Category
creative_writing
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / englishhuman preference · 2026-10-15 · rating

step-3

1,373.12 rating

Confidence interval: 1,362.17 – 1,384.06

2775 votes

Category
english
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / exclude_tieshuman preference · 2026-10-15 · rating

step-3

1,311.17 rating

Confidence interval: 1,300.61 – 1,321.73

4456 votes

Category
exclude_ties
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / experthuman preference · 2026-10-15 · rating

step-3

1,332.75 rating

Confidence interval: 1,298.08 – 1,367.41

265 votes

Category
expert
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / germanhuman preference · 2026-10-15 · rating

step-3

1,370.67 rating

Confidence interval: 1,324.77 – 1,416.58

153 votes

Category
german
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / hard_promptshuman preference · 2026-10-15 · rating

step-3

1,354.75 rating

Confidence interval: 1,344.10 – 1,365.40

2960 votes

Category
hard_prompts
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / hard_prompts_englishhuman preference · 2026-10-15 · rating

step-3

1,378.22 rating

Confidence interval: 1,362.33 – 1,394.11

1327 votes

Category
hard_prompts_english
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-15 · rating

step-3

1,343.00 rating

Confidence interval: 1,326.20 – 1,359.79

1141 votes

Category
industry_business_and_management_and_financial_operations
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-15 · rating

step-3

1,331.51 rating

Confidence interval: 1,314.30 – 1,348.71

1086 votes

Category
industry_entertainment_and_sports_and_media
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-15 · rating

step-3

1,336.84 rating

Confidence interval: 1,308.34 – 1,365.34

408 votes

Category
industry_legal_and_government
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-15 · rating

step-3

1,353.73 rating

Confidence interval: 1,335.54 – 1,371.91

1069 votes

Category
industry_life_and_physical_and_social_science
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / industry_mathematicalhuman preference · 2026-10-15 · rating

step-3

1,375.46 rating

Confidence interval: 1,342.24 – 1,408.68

300 votes

Category
industry_mathematical
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-15 · rating

step-3

1,361.64 rating

Confidence interval: 1,331.21 – 1,392.07

349 votes

Category
industry_medicine_and_healthcare
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-15 · rating

step-3

1,365.05 rating

Confidence interval: 1,352.41 – 1,377.70

2089 votes

Category
industry_software_and_it_services
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-15 · rating

step-3

1,326.47 rating

Confidence interval: 1,311.25 – 1,341.70

1386 votes

Category
industry_writing_and_literature_and_language
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / instruction_followinghuman preference · 2026-10-15 · rating

step-3

1,332.04 rating

Confidence interval: 1,317.66 – 1,346.42

1637 votes

Category
instruction_following
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / koreanhuman preference · 2026-10-15 · rating

step-3

1,268.88 rating

Confidence interval: 1,223.95 – 1,313.80

181 votes

Category
korean
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / longer_queryhuman preference · 2026-10-15 · rating

step-3

1,325.52 rating

Confidence interval: 1,309.31 – 1,341.73

1272 votes

Category
longer_query
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / mathhuman preference · 2026-10-15 · rating

step-3

1,365.91 rating

Confidence interval: 1,334.78 – 1,397.03

350 votes

Category
math
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / multi_turnhuman preference · 2026-10-15 · rating

step-3

1,340.51 rating

Confidence interval: 1,322.29 – 1,358.73

1037 votes

Category
multi_turn
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / non_englishhuman preference · 2026-10-15 · rating

step-3

1,327.07 rating

Confidence interval: 1,317.26 – 1,336.88

3515 votes

Category
non_english
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / overallhuman preference · 2026-10-15 · rating

step-3

1,350.27 rating

Confidence interval: 1,342.83 – 1,357.71

6293 votes

Category
overall
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / polishhuman preference · 2026-10-15 · rating

step-3

1,300.62 rating

Confidence interval: 1,272.99 – 1,328.24

449 votes

Category
polish
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / russianhuman preference · 2026-10-15 · rating

step-3

1,330.23 rating

Confidence interval: 1,304.73 – 1,355.73

492 votes

Category
russian
Evaluated configuration
step-3
Evaluation type
human preference
Arena text preference / spanishhuman preference · 2026-10-15 · rating

step-3

1,370.71 rating

Confidence interval: 1,329.15 – 1,412.27

210 votes

Category
spanish
Evaluated configuration
step-3
Evaluation type
human preference

Run it locally

Inference · memory estimate

step-3

Not enough verified architecture information for a reliable VRAM estimate.

Capabilities

Model license
Apache 2.0