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AI models

Not reported

Reka Core (20240904)

Model evaluation

Capability & preference

Human preference · Arena

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

Reka Core (20240904) 1248.4 Reka Core (20240904) · 95% interval 1241.3–1255.5 · 7,312 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

Reka Core (20240904)

1,240.97 rating

Confidence interval: 1,217.98 – 1,263.96

598 votes

Oct 28, 2026

Category: chinese
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / codinghuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,229.74 rating

Confidence interval: 1,214.36 – 1,245.12

1216 votes

Oct 28, 2026

Category: coding
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / creative_writinghuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,235.93 rating

Confidence interval: 1,217.95 – 1,253.92

1037 votes

Oct 28, 2026

Category: creative_writing
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / englishhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,256.02 rating

Confidence interval: 1,246.72 – 1,265.31

3934 votes

Oct 28, 2026

Category: english
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / exclude_tieshuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,156.32 rating

Confidence interval: 1,144.73 – 1,167.91

4480 votes

Oct 28, 2026

Category: exclude_ties
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / experthuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,213.32 rating

Confidence interval: 1,188.62 – 1,238.02

458 votes

Oct 28, 2026

Category: expert
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / germanhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,243.20 rating

Confidence interval: 1,202.77 – 1,283.62

183 votes

Oct 28, 2026

Category: german
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / hard_promptshuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,210.84 rating

Confidence interval: 1,199.33 – 1,222.36

2145 votes

Oct 28, 2026

Category: hard_prompts
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / hard_prompts_englishhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,215.56 rating

Confidence interval: 1,201.33 – 1,229.79

1341 votes

Oct 28, 2026

Category: hard_prompts_english
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / industry_business_and_management_and_financial_operationshuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,217.06 rating

Confidence interval: 1,197.56 – 1,236.56

837 votes

Oct 28, 2026

Category: industry_business_and_management_and_financial_operations
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / industry_entertainment_and_sports_and_mediahuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,207.16 rating

Confidence interval: 1,190.22 – 1,224.11

1092 votes

Oct 28, 2026

Category: industry_entertainment_and_sports_and_media
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / industry_legal_and_governmenthuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,273.49 rating

Confidence interval: 1,244.85 – 1,302.14

371 votes

Oct 28, 2026

Category: industry_legal_and_government
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / industry_life_and_physical_and_social_sciencehuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,265.45 rating

Confidence interval: 1,249.28 – 1,281.61

1183 votes

Oct 28, 2026

Category: industry_life_and_physical_and_social_science
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / industry_mathematicalhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,239.01 rating

Confidence interval: 1,223.35 – 1,254.68

1039 votes

Oct 28, 2026

Category: industry_mathematical
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / industry_medicine_and_healthcarehuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,278.08 rating

Confidence interval: 1,248.59 – 1,307.57

364 votes

Oct 28, 2026

Category: industry_medicine_and_healthcare
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / industry_software_and_it_serviceshuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,231.59 rating

Confidence interval: 1,219.04 – 1,244.15

2006 votes

Oct 28, 2026

Category: industry_software_and_it_services
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / industry_writing_and_literature_and_languagehuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,242.34 rating

Confidence interval: 1,229.00 – 1,255.67

1890 votes

Oct 28, 2026

Category: industry_writing_and_literature_and_language
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / instruction_followinghuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,211.73 rating

Confidence interval: 1,201.68 – 1,221.79

3118 votes

Oct 28, 2026

Category: instruction_following
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / longer_queryhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,220.08 rating

Confidence interval: 1,201.97 – 1,238.19

951 votes

Oct 28, 2026

Category: longer_query
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / mathhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,221.67 rating

Confidence interval: 1,207.34 – 1,236.01

1207 votes

Oct 28, 2026

Category: math
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / multi_turnhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,226.57 rating

Confidence interval: 1,210.39 – 1,242.75

1255 votes

Oct 28, 2026

Category: multi_turn
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / non_englishhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,236.40 rating

Confidence interval: 1,226.46 – 1,246.35

3378 votes

Oct 28, 2026

Category: non_english
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / overallhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,248.36 rating

Confidence interval: 1,241.25 – 1,255.46

7312 votes

Oct 28, 2026

Category: overall
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Arena text preference / russianhuman preference · 2026-10-28 · rating

Reka Core (20240904)

1,249.05 rating

Confidence interval: 1,231.29 – 1,266.82

976 votes

Oct 28, 2026

Category: russian
Evaluated configuration: Reka Core (20240904)
Evaluation type: human preference

Run it locally

Inference · memory estimate

Reka Core (20240904)

Not enough verified architecture information for a reliable VRAM estimate.

Capabilities

Model license: Proprietary