BasedAGIBasedAGI
Productivity

Cross-lingual summary

Summarize a document in one language into another language.

task.cross_lingual_summarization
Evidence quality is currently limited for this use case. Rankings below are useful for exploration, not a strong winner claim.

Provisional leader

claude-sonnet-4

Current leader based on limited benchmark evidence. Treat this ranking as directional until coverage improves.

26.5%

Best benchmark score

36.4%

Confidence

Ranked Models

30

Evidence Quality

81%

Evidence Points

27

Top Signal

LanguageBench: overall:mean

All Ranked Models

30 of 30 models
RankModelScore
๐Ÿฅ‡claude-sonnet-4

Strong on LanguageBench overall:mean and Galileo Agent Leaderboard v2 Avg TSQ

26.5%
๐Ÿฅˆgemini-2.5-flash

Strong on LanguageBench overall:mean and Galileo Agent Leaderboard v2 Avg TSQ

25.7%
๐Ÿฅ‰gemini-3.1-pro-preview

Strong on Vals Finance Agent overall_accuracy_pct and SimpleQA Verified simpleqa_verified_score_pct

24.8%
#4gemini-2.5-pro

Strong on Galileo Agent Leaderboard v2 Avg TSQ and FACTS Benchmark Suite facts_grounding_score_pct

23.2%
#5gpt-4.1-20250414

Strong on MMLongBench-Doc Leaderboard acc_score_pct and Galileo Agent Leaderboard v2 Avg TSQ

20.8%
#6gpt-5-2025-08-07

Strong on Vals Finance Agent overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct

20.6%
#7gpt-5-mini-2025-08-07

Strong on Vals Finance Agent overall_accuracy_pct and Vals Finance Agent complex_retrieval_accuracy_pct

20.1%
#8Grok-4-0709

Strong on Galileo Agent Leaderboard v2 Avg TSQ and Vals Finance Agent overall_accuracy_pct

19.9%
#9gemini-3-pro-preview

Strong on Vals Finance Agent overall_accuracy_pct and SimpleQA Verified simpleqa_verified_score_pct

19.6%
#10gpt-5.2-2025-12-11

Strong on Vals Finance Agent overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct

18.1%
#11claude-sonnet-4.6

Strong on Vals Finance Agent overall_accuracy_pct and Vals Finance Agent complex_retrieval_accuracy_pct

17.6%
#12gemini-3.1-flash-lite-preview

Strong on Vals Finance Agent overall_accuracy_pct and Vals Mortgage Tax overall_accuracy_pct

17.0%
#13gpt-5.4-2026-03-05

Strong on Vals Finance Agent overall_accuracy_pct and Vals Mortgage Tax overall_accuracy_pct

17.0%
#14Claude-3.5-Sonnet

Strong on LanguageBench overall:mean and LanguageBench Translation Official (Split) translation_to:bleu

16.7%
#15gemini-3-flash-preview

Strong on Vals Finance Agent overall_accuracy_pct and FACTS Benchmark Suite average_score_pct

16.1%
#16gpt-5.1-2025-11-13

Strong on Vals Finance Agent overall_accuracy_pct and Vals Case Law v2 overall_accuracy_pct

15.3%
#17claude-opus-4-5-20251101

Strong on Vals Mortgage Tax overall_accuracy_pct and FACTS Benchmark Suite facts_grounding_score_pct

14.7%
#18gemini-2.0-flash-001

Strong on LanguageBench overall:mean and LanguageBench Translation Official (Split) translation_to:bleu

14.3%
#19o3-20250416

Strong on Vals Mortgage Tax overall_accuracy_pct and SciArena Leaderboard rating_elo

14.1%
#20gpt-4.1

Strong on LanguageBench overall:mean and LanguageBench Grammar/Clarity Official (Split) grammar_clarity_score_pct

14.0%
#23grok-4-fast-reasoning

Strong on Vals Finance Agent overall_accuracy_pct and Vals Finance Agent complex_retrieval_accuracy_pct

13.2%
#25claude-opus-4-6-thinking

Strong on Vals Finance Agent overall_accuracy_pct and Vals Mortgage Tax overall_accuracy_pct

12.3%
#26grok-4-1-fast-reasoning

Strong on Vals Finance Agent overall_accuracy_pct and BFCL Multi-turn Official Multi Turn Acc

12.0%
#27claude-opus-4-5-20251101-thinking

Strong on Vals Finance Agent overall_accuracy_pct and Vals Mortgage Tax overall_accuracy_pct

11.5%
#29kimi-k2.5-thinking

Strong on Vals Finance Agent overall_accuracy_pct and Vals Mortgage Tax overall_accuracy_pct

11.1%
#30claude-sonnet-4-5-20250929-thinking

Strong on Vals Finance Agent overall_accuracy_pct and Vals Mortgage Tax overall_accuracy_pct

10.8%
#31claude-opus-4-1-20250805

Strong on Vals Mortgage Tax overall_accuracy_pct and Vectara HHEM Leaderboard overall_hallucination_error_pct

10.5%
#34phi-4

Strong on Vectara HHEM Leaderboard overall_hallucination_error_pct and LanguageBench overall:mean

9.7%
#37grok-3

Strong on Vectara HHEM Leaderboard overall_hallucination_error_pct and SimpleQA Verified simpleqa_verified_score_pct

9.4%
#38gemini-2.5-flash-lite

Strong on Galileo Agent Leaderboard v2 Avg TSQ and Vectara HHEM Leaderboard overall_hallucination_error_pct

9.4%

Compare Models

Select two different models above to compare their evidence side by side.
โ–ถRanking diagnostics & missing models

Source lift

Ranked

61

Sources

8

Quality

Low

Vals Mortgage Tax

38 rows ยท 1.3% avg lift

Vals Legal Bench

38 rows ยท 0.4% avg lift

Vals Tax Eval v2

36 rows ยท 0.4% avg lift

Vals MedQA

35 rows ยท 0.4% avg lift

Missing frontier models

No obvious gaps right now.

โ–ถTaxonomy & task details

Core tasks

task.cross_lingual_summarization

Required modes

mode.multilingualmode.long_context

Domains

domain.general_business

Related in Productivity