557
Ladder Elo · rank 2 of 16
- Unit
- ladder Elo, higher is better
- Range
- 370 to 727
- Sample
- 8 games
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 29 Sep 2026
- Not shown
- Not a business skill: chess against an engine on a real clock, used here as a speed-under-pressure signal.
7.0 s
Median move time · rank 10 of 16
- Unit
- milliseconds, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 29 Sep 2026
- Not shown
- Not general response speed: replies are one short move.
97.6%
Content quality · rank 6 of 18
- Unit
- % of checks, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
0.0%
Failed outputs · rank 1 of 18
- Unit
- % of products, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not a provider outage: provider errors are retried before a product counts as failed.
61.9%
Publish-ready listings · rank 4 of 18
- Unit
- % of products, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
42.9%
Reliably publish-ready · rank 4 of 18
- Unit
- % of products, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
0.56
Unsupported claims · rank 4 of 18
- Unit
- claims per product, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
100.0%
Channel compliance · rank 1 of 18
- Unit
- % of products, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
100.0%
Conflicts caught · rank 1 of 18
- Unit
- % of conflicts, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
97.2%
Content quality · rank 5 of 18
- Unit
- % of checks, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
$0.0005
Cost per product · rank 1 of 18
- Unit
- US dollars, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your cost: prices are those charged through OpenRouter on the run date.
96.7%
Decision accuracy · rank 4 of 18
- Unit
- % of decisions, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
0.0%
Failed outputs · rank 1 of 18
- Unit
- % of products, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not a provider outage: provider errors are retried before a product counts as failed.
93.7%
Field accuracy · rank 7 of 18
- Unit
- % of missing fields, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
1.7%
Invented values · rank 11 of 18
- Unit
- % of filled values, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
64.3%
Publish-ready listings · rank 4 of 18
- Unit
- % of products, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
51.8%
Reliably publish-ready · rank 4 of 18
- Unit
- % of products, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
0.41
Unsupported claims · rank 4 of 18
- Unit
- claims per product, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 30 Sep 2026
- Not shown
- Not your catalogue: invented products with generated images, so a model's result on your own feed can differ.
$0.0142
Cost of a run · rank 1 of 17
- Unit
- US dollars, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 29 Sep 2026
- Not shown
- Not your cost: prices are those charged through OpenRouter on the run date.
0
Months over budget · rank 1 of 17
- Unit
- months of 12, lower is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 29 Sep 2026
- Not shown
- Not real ad performance: the market is a deterministic simulation of one invented skincare brand.
53.4
Overall score · rank 3 of 17
- Unit
- score out of 100, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 29 Sep 2026
- Not shown
- Not real ad performance: the market is a deterministic simulation of one invented skincare brand.
£0.66
Return on ad spend · rank 4 of 17
- Unit
- profit per £1 spent, higher is better
- Configuration
- GPT-6 Luna, provider default reasoning
- Measured
- 29 Sep 2026
- Not shown
- Not real ad performance: the market is a deterministic simulation of one invented skincare brand.
0.05
Confirmed task success · rank 5 of 46
- Unit
- IPS effect estimate, higher is better
- Range
- 0.01 to 0.08
- Sample
- 3913 observations
- Configuration
- GPT-6 Luna
- 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.
-0.03
Praise over complaint · rank 15 of 46
- Unit
- IPS effect estimate, higher is better
- Range
- -0.09 to 0.03
- Sample
- 1083 observations
- Configuration
- GPT-6 Luna
- 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 6 of 46
- Unit
- IPS effect estimate, higher is better
- Range
- -0.02 to 0.06
- Sample
- 3522 observations
- Configuration
- GPT-6 Luna
- 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
- 802714 observations
- Configuration
- GPT-6 Luna
- 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.
1,422
Overall · rank 103 of 177
- Unit
- Arena rating, higher is better
- Range
- 1,414 to 1,430
- Sample
- 4360 votes
- Configuration
- GPT-6 Luna (max)
- 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.
1,452
Business, management and finance · rank 22 of 402
- Unit
- Arena rating, higher is better
- Range
- 1,432 to 1,473
- Sample
- 875 votes
- Configuration
- GPT-6 Luna (max)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,403
Creative writing · rank 68 of 407
- Unit
- Arena rating, higher is better
- Range
- 1,382 to 1,423
- Sample
- 939 votes
- Configuration
- GPT-6 Luna (max)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,505
Expert prompts · rank 4 of 359
- Unit
- Arena rating, higher is better
- Range
- 1,480 to 1,529
- Sample
- 578 votes
- Configuration
- GPT-6 Luna (max)
- 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
Instruction following · rank 40 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,429 to 1,457
- Sample
- 1706 votes
- Configuration
- GPT-6 Luna (max)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.
1,442
Overall · rank 67 of 409
- Unit
- Arena rating, higher is better
- Range
- 1,434 to 1,451
- Sample
- 4792 votes
- Configuration
- GPT-6 Luna (max)
- 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
Writing, literature and language · rank 67 of 408
- Unit
- Arena rating, higher is better
- Range
- 1,398 to 1,433
- Sample
- 1245 votes
- Configuration
- GPT-6 Luna (max)
- Measured
- 25 Sep 2026
- Not shown
- Not accuracy or correctness: it ranks which answer voters preferred, with answer length and formatting controlled for.