-0.04
Confirmed task success · rank 24 of 46
- Unit
- IPS effect estimate, higher is better
- Range
- -0.05 to -0.02
- Sample
- 57163 observations
- Configuration
- GPT-5.4
- Measured
- 28 Sep 2026
- Not shown
- Not a success rate: the estimated effect of choosing this model as the agent's orchestrator, against an even mix of the models tested, inside Arena's own harness.
-0.01
Praise over complaint · rank 17 of 46
- Unit
- IPS effect estimate, higher is better
- Range
- -0.04 to 0.02
- Sample
- 17944 observations
- Configuration
- GPT-5.4
- Measured
- 28 Sep 2026
- Not shown
- Not a success rate: the estimated effect of choosing this model as the agent's orchestrator, against an even mix of the models tested, inside Arena's own harness.
0.02
Steerability · rank 11 of 46
- Unit
- IPS effect estimate, higher is better
- Range
- 0.01 to 0.04
- Sample
- 64923 observations
- Configuration
- GPT-5.4
- Measured
- 28 Sep 2026
- Not shown
- Not a success rate: the estimated effect of choosing this model as the agent's orchestrator, against an even mix of the models tested, inside Arena's own harness.
0.00
Tool grounding · rank 1 of 46
- Unit
- IPS effect estimate, higher is better
- Range
- 0.00 to 0.00
- Sample
- 3672050 observations
- Configuration
- GPT-5.4
- Measured
- 28 Sep 2026
- Not shown
- Not a success rate: the estimated effect of choosing this model as the agent's orchestrator, against an even mix of the models tested, inside Arena's own harness.
1,470
Overall · rank 11 of 44
- Unit
- Arena rating, higher is better
- Range
- 1,464 to 1,476
- Sample
- 33331 votes
- Configuration
- GPT-5.4
- Measured
- 13 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,195
Overall · rank 7 of 34
- Unit
- Arena rating, higher is better
- Range
- 1,189 to 1,200
- Sample
- 110116 votes
- Configuration
- GPT-5.4
- Measured
- 24 Aug 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,475
Overall · rank 9 of 177
- Unit
- Arena rating, higher is better
- Range
- 1,473 to 1,478
- Sample
- 67509 votes
- Configuration
- GPT-5.4
- 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.
1,485
Overall · rank 3 of 177
- Unit
- Arena rating, higher is better
- Range
- 1,482 to 1,488
- Sample
- 64394 votes
- Configuration
- GPT-5.4 (high)
- 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.
1,475
Business, management and finance · rank 11 of 402
- Unit
- Arena rating, higher is better
- Range
- 1,468 to 1,481
- Sample
- 13882 votes
- Configuration
- GPT-5.4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,482
Business, management and finance · rank 8 of 402
- Unit
- Arena rating, higher is better
- Range
- 1,475 to 1,488
- Sample
- 13092 votes
- Configuration
- GPT-5.4 (high)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,434
Creative writing · rank 36 of 407
- Unit
- Arena rating, higher is better
- Range
- 1,428 to 1,441
- Sample
- 11135 votes
- Configuration
- GPT-5.4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,443
Creative writing · rank 25 of 407
- Unit
- Arena rating, higher is better
- Range
- 1,436 to 1,450
- Sample
- 10894 votes
- Configuration
- GPT-5.4 (high)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,492
Expert prompts · rank 22 of 359
- Unit
- Arena rating, higher is better
- Range
- 1,484 to 1,500
- Sample
- 6707 votes
- Configuration
- GPT-5.4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,515
Expert prompts · rank 8 of 359
- Unit
- Arena rating, higher is better
- Range
- 1,506 to 1,523
- Sample
- 6334 votes
- Configuration
- GPT-5.4 (high)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,460
Instruction following · rank 29 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,455 to 1,466
- Sample
- 23384 votes
- Configuration
- GPT-5.4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,471
Instruction following · rank 15 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,466 to 1,477
- Sample
- 21896 votes
- Configuration
- GPT-5.4 (high)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,465
Overall · rank 38 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,461 to 1,469
- Sample
- 67632 votes
- Configuration
- GPT-5.4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,475
Overall · rank 19 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,471 to 1,479
- Sample
- 64479 votes
- Configuration
- GPT-5.4 (high)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,458
Writing, literature and language · rank 19 of 408
- Unit
- Arena rating, higher is better
- Range
- 1,452 to 1,464
- Sample
- 16553 votes
- Configuration
- GPT-5.4
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,465
Writing, literature and language · rank 15 of 408
- Unit
- Arena rating, higher is better
- Range
- 1,459 to 1,471
- Sample
- 16142 votes
- Configuration
- GPT-5.4 (high)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
26.2%
Consistency (pass^5) · rank 4 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
38.0%
Consistency (pass^5) · rank 1 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
47.2%
Customer support task success (pass@1) · rank 3 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
57.6%
Customer support task success (pass@1) · rank 1 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
50.3%
Shopping assistant task success (pass@1) · rank 3 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
53.6%
Shopping assistant task success (pass@1) · rank 2 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
46.9%
Task success (pass@1) · rank 5 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
55.7%
Task success (pass@1) · rank 1 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
43.2%
Travel task success (pass@1) · rank 5 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
55.9%
Travel task success (pass@1) · rank 1 of 5
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
3.41
User experience · rank 3 of 5
- Unit
- score from 1 to 5, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not real customer satisfaction: the ratings come from a model-based judge.
3.49
User experience · rank 1 of 5
- Unit
- score from 1 to 5, higher is better
- Configuration
- gpt-5.4
- Measured
- 25 May 2026
- Not shown
- Not real customer satisfaction: the ratings come from a model-based judge.
41.8%
Consistency (pass^5) · rank 2 of 2
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 1 Jul 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
59.0%
Customer support task success (pass@1) · rank 1 of 2
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 1 Jul 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
55.0%
Shopping assistant task success (pass@1) · rank 1 of 2
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 1 Jul 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
58.6%
Task success (pass@1) · rank 2 of 2
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 1 Jul 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
62.0%
Travel task success (pass@1) · rank 1 of 2
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 1 Jul 2026
- Not shown
- Not the model alone: it runs inside STATE-Bench's agent loop against simulated users, and versions of the benchmark are not comparable.
3.67
User experience · rank 1 of 2
- Unit
- score from 1 to 5, higher is better
- Configuration
- gpt-5.4
- Measured
- 1 Jul 2026
- Not shown
- Not real customer satisfaction: the ratings come from a model-based judge.
64.3%
Average · rank 6 of 34
- Unit
- % resolved, higher is better
- Configuration
- gpt-5.4
- 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.
36.8%
Front end (SWE-Bench Multimodal) · rank 11 of 34
- Unit
- % resolved, higher is better
- Configuration
- gpt-5.4
- 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.
56.2%
Greenfield (Commit0) · rank 3 of 34
- Unit
- % resolved, higher is better
- Configuration
- gpt-5.4
- 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.
82.4%
Information gathering (GAIA) · rank 3 of 34
- Unit
- % resolved, higher is better
- Configuration
- gpt-5.4
- 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.
75.6%
Issue resolution (SWE-Bench) · rank 10 of 34
- Unit
- % resolved, higher is better
- Configuration
- gpt-5.4
- 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.
70.4%
Testing (SWT-Bench) · rank 12 of 34
- Unit
- % resolved, higher is better
- Configuration
- gpt-5.4
- 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.
21.6%
Consistency (pass^4) · rank 9 of 21
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 6 May 2026
- Not shown
- Not your policies or customers: the tasks and policies are tau2's own, and the customer is simulated by gpt-5.2.
39.4%
Task success (pass^1) · rank 10 of 21
- Unit
- % of tasks, higher is better
- Configuration
- gpt-5.4
- Measured
- 6 May 2026
- Not shown
- Not your policies or customers: the tasks and policies are tau2's own, and the customer is simulated by gpt-5.2.
46.0%
Requested-length error · rank 308 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- GPT-5.4 (high)
- Measured
- 5 Mar 2026
- Not shown
- Not other format limits such as character counts or bullet counts.
57.0%
Requested-length error · rank 318 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 2026
- Not shown
- Not other format limits such as character counts or bullet counts.
53.0%
Requested-length error · rank 314 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 2026
- Not shown
- Not other format limits such as character counts or bullet counts.
50.0%
Requested-length error · rank 312 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 2026
- Not shown
- Not other format limits such as character counts or bullet counts.
30.0%
Requested-length error · rank 253 of 370
- Unit
- % off the requested word count, lower is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 2026
- Not shown
- Not other format limits such as character counts or bullet counts.
0.40
Style adherence · rank 27 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- GPT-5.4 (high)
- Measured
- 5 Mar 2026
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
0.38
Style adherence · rank 62 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 2026
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
0.39
Style adherence · rank 35 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 2026
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
0.38
Style adherence · rank 58 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 2026
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
0.40
Style adherence · rank 30 of 370
- Unit
- score from 0 to 1, higher is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 2026
- Not shown
- Not brand voice on your own examples: UGI's prompts are private and lean towards creative writing.
68.8
Writing score · rank 33 of 370
- Unit
- score out of 100, higher is better
- Configuration
- GPT-5.4 (high)
- Measured
- 5 Mar 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.
64.8
Writing score · rank 66 of 370
- Unit
- score out of 100, higher is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 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.
67.3
Writing score · rank 46 of 370
- Unit
- score out of 100, higher is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 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.
58.0
Writing score · rank 112 of 370
- Unit
- score out of 100, higher is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 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.
68.7
Writing score · rank 34 of 370
- Unit
- score out of 100, higher is better
- Configuration
- gpt-5.4
- Measured
- 5 Mar 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.
99.9%
Answer rate · rank 19 of 108
- Unit
- % of documents, higher is better
- Configuration
- GPT-5.4
- 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.
7.0%
Hallucination rate · rank 32 of 108
- Unit
- % of summaries, lower is better
- Configuration
- GPT-5.4
- 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.