1,436
Overall · rank 31 of 44
- Unit
- Arena rating, higher is better
- Range
- 1,429 to 1,443
- Sample
- 21569 votes
- Configuration
- Kimi K2.5
- Measured
- 13 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,429
Overall · rank 88 of 177
- Unit
- Arena rating, higher is better
- Range
- 1,423 to 1,435
- Sample
- 8236 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not an error rate: claims that cannot be checked on the web are skipped, and preference still carries most of the weight.
1,445
Overall · rank 60 of 177
- Unit
- Arena rating, higher is better
- Range
- 1,442 to 1,448
- Sample
- 74273 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not an error rate: claims that cannot be checked on the web are skipped, and preference still carries most of the weight.
1,426
Business, management and finance · rank 73 of 402
- Unit
- Arena rating, higher is better
- Range
- 1,411 to 1,441
- Sample
- 1541 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,441
Business, management and finance · rank 64 of 402
- Unit
- Arena rating, higher is better
- Range
- 1,435 to 1,446
- Sample
- 14405 votes
- Configuration
- Kimi K2.5
- 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
Creative writing · rank 83 of 407
- Unit
- Arena rating, higher is better
- Range
- 1,373 to 1,406
- Sample
- 1319 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,423
Creative writing · rank 54 of 407
- Unit
- Arena rating, higher is better
- Range
- 1,417 to 1,430
- Sample
- 12225 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,451
Expert prompts · rank 60 of 359
- Unit
- Arena rating, higher is better
- Range
- 1,428 to 1,474
- Sample
- 630 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,483
Expert prompts · rank 35 of 359
- Unit
- Arena rating, higher is better
- Range
- 1,475 to 1,490
- Sample
- 7011 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,432
Instruction following · rank 58 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,420 to 1,444
- Sample
- 2337 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,439
Instruction following · rank 57 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,434 to 1,444
- Sample
- 24198 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,430
Overall · rank 89 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,424 to 1,437
- Sample
- 8358 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,450
Overall · rank 60 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,447 to 1,454
- Sample
- 74638 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,404
Writing, literature and language · rank 83 of 408
- Unit
- Arena rating, higher is better
- Range
- 1,391 to 1,417
- Sample
- 1939 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,428
Writing, literature and language · rank 67 of 408
- Unit
- Arena rating, higher is better
- Range
- 1,423 to 1,433
- Sample
- 17888 votes
- Configuration
- Kimi K2.5
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
49.2%
Average · rank 18 of 34
- Unit
- % resolved, higher is better
- Configuration
- kimi-k2.5
- Measured
- 30 Jun 2026
- Not shown
- Not the model alone: the score is for the model inside the OpenHands agent, at the SDK version shown.
32.8%
Front end (SWE-Bench Multimodal) · rank 18 of 34
- Unit
- % resolved, higher is better
- Configuration
- kimi-k2.5
- Measured
- 30 Jun 2026
- Not shown
- Not the model alone: the score is for the model inside the OpenHands agent, at the SDK version shown.
18.8%
Greenfield (Commit0) · rank 21 of 34
- Unit
- % resolved, higher is better
- Configuration
- kimi-k2.5
- Measured
- 30 Jun 2026
- Not shown
- Not the model alone: the score is for the model inside the OpenHands agent, at the SDK version shown.
63.6%
Information gathering (GAIA) · rank 17 of 34
- Unit
- % resolved, higher is better
- Configuration
- kimi-k2.5
- Measured
- 30 Jun 2026
- Not shown
- Not the model alone: the score is for the model inside the OpenHands agent, at the SDK version shown.
68.8%
Issue resolution (SWE-Bench) · rank 27 of 34
- Unit
- % resolved, higher is better
- Configuration
- kimi-k2.5
- Measured
- 30 Jun 2026
- Not shown
- Not the model alone: the score is for the model inside the OpenHands agent, at the SDK version shown.
61.9%
Testing (SWT-Bench) · rank 22 of 34
- Unit
- % resolved, higher is better
- Configuration
- kimi-k2.5
- Measured
- 30 Jun 2026
- Not shown
- Not the model alone: the score is for the model inside the OpenHands agent, at the SDK version shown.
24.0%
Requested-length error · rank 217 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- Kimi K2.5
- Measured
- 28 Jan 2026
- Not shown
- Not other format limits such as character counts or bullet counts.
10.0%
Requested-length error · rank 81 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- Kimi K2.5
- Measured
- 28 Jan 2026
- Not shown
- Not other format limits such as character counts or bullet counts.
0.34
Style adherence · rank 215 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- Kimi K2.5
- Measured
- 28 Jan 2026
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
0.34
Style adherence · rank 229 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- Kimi K2.5
- Measured
- 28 Jan 2026
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
61.5
Writing score · rank 90 of 370
- Unit
- score out of 100, higher is better
- Configuration
- Kimi K2.5
- Measured
- 28 Jan 2026
- Not shown
- Not business copy quality: UGI's prompts are private and lean towards creative writing, and models that often refuse get no score.
62.4
Writing score · rank 87 of 370
- Unit
- score out of 100, higher is better
- Configuration
- Kimi K2.5
- Measured
- 28 Jan 2026
- Not shown
- Not business copy quality: UGI's prompts are private and lean towards creative writing, and models that often refuse get no score.
92.2%
Answer rate · rank 101 of 108
- Unit
- % of documents, higher is better
- Configuration
- Kimi K2.5
- 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.
14.2%
Hallucination rate · rank 90 of 108
- Unit
- % of summaries, lower is better
- Configuration
- Kimi K2.5
- 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.