1,387
Business, management and finance · rank 147 of 402
- Unit
- Arena rating, higher is better
- Range
- 1,379 to 1,395
- Sample
- 6525 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,381
Business, management and finance · rank 156 of 402
- Unit
- Arena rating, higher is better
- Range
- 1,372 to 1,389
- Sample
- 5755 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,388
Creative writing · rank 94 of 407
- Unit
- Arena rating, higher is better
- Range
- 1,379 to 1,397
- Sample
- 4868 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,395
Creative writing · rank 84 of 407
- Unit
- Arena rating, higher is better
- Range
- 1,386 to 1,405
- Sample
- 4219 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,402
Expert prompts · rank 139 of 359
- Unit
- Arena rating, higher is better
- Range
- 1,388 to 1,415
- Sample
- 2049 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,433
Expert prompts · rank 98 of 359
- Unit
- Arena rating, higher is better
- Range
- 1,418 to 1,447
- Sample
- 1667 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,396
Instruction following · rank 122 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,389 to 1,402
- Sample
- 9843 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,415
Instruction following · rank 92 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,408 to 1,422
- Sample
- 8467 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,391
Overall · rank 155 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,386 to 1,395
- Sample
- 38917 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,402
Overall · rank 143 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,397 to 1,406
- Sample
- 33920 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,390
Writing, literature and language · rank 111 of 408
- Unit
- Arena rating, higher is better
- Range
- 1,383 to 1,397
- Sample
- 8441 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,398
Writing, literature and language · rank 94 of 408
- Unit
- Arena rating, higher is better
- Range
- 1,391 to 1,405
- Sample
- 7321 votes
- Configuration
- Claude Sonnet 4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
4.0%
Requested-length error · rank 28 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- claude-sonnet-4
- Measured
- 12 Sep 2025
- Not shown
- Not other format limits such as character counts or bullet counts.
13.0%
Requested-length error · rank 103 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- claude-sonnet-4
- Measured
- 12 Sep 2025
- Not shown
- Not other format limits such as character counts or bullet counts.
0.36
Style adherence · rank 140 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- claude-sonnet-4
- Measured
- 12 Sep 2025
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
0.36
Style adherence · rank 148 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- claude-sonnet-4
- Measured
- 12 Sep 2025
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
63.7
Writing score · rank 76 of 370
- Unit
- score out of 100, higher is better
- Configuration
- claude-sonnet-4
- Measured
- 12 Sep 2025
- Not shown
- Not business copy quality: UGI's prompts are private and lean towards creative writing, and models that often refuse get no score.
62.3
Writing score · rank 88 of 370
- Unit
- score out of 100, higher is better
- Configuration
- claude-sonnet-4
- Measured
- 12 Sep 2025
- Not shown
- Not business copy quality: UGI's prompts are private and lean towards creative writing, and models that often refuse get no score.
98.6%
Answer rate · rank 76 of 108
- Unit
- % of documents, higher is better
- Configuration
- Claude Sonnet 4
- Measured
- 22 Sep 2026
- Not shown
- Not a quality score: a low rate usually means content filters were triggered, and hallucination rates are measured on answered documents only.
10.3%
Hallucination rate · rank 60 of 108
- Unit
- % of summaries, lower is better
- Configuration
- Claude Sonnet 4
- Measured
- 22 Sep 2026
- Not shown
- Not errors in open questions or other tasks: only summarisation, judged by Vectara's own model (HHEM-2.3), not by people, on news-style documents rather than your data.
