Specifications
- Lab
- OpenAI (United States)
- Weights
- Proprietary
- Context window
- 1.1M tokens
- Maximum output
- 128k tokens
- Input / output price
- $0.1 / $0.5 per million tokens
- Input modalities
- Image
- Text
- Reasoning
- Yes
- OpenRouter identifier
- openai/gpt-6-lunaDated version, as of 8 October 2026: openai/gpt-6-luna-20260922
At a glance
Updated 8 October 2026
Business Index
98.5%± 2.2 (95% margin of error)
Rank 12 / 27
54.8%100.0%
Average cost per test
$0.0006
4th cheapest of 27
$0.0002$0.058
Median time
3.9 s
11th fastest of 27
1.5 s29.1 s
- Average hallucinations
- 0.0%
- Benchmarks taken
- 2 / 2
Scores by business function
The model's mean accuracy across the benchmarks of each business function.
Finance
96.9%
Accounting
100.0%
Human resources
Not tested
Legal
Not tested
Sales
Not tested
Marketing
Not tested
Customer service
Not tested
Procurement & logistics
Not tested
IT
Not tested
Management
Not tested
Results by benchmark
Finance
- Financial report analysis
96.9%± 4.3
rank 13 of 27
Accounting
- Advertising invoice extraction
100.0%± 0.0
rank 1 of 27
Bars on a 0 to 100% scale. The rank compares the models tested on the same benchmark.
Stability from run to run
A given model alias can change behaviour without notice; re-testing it at every run is how that drift gets caught.
No benchmark has been published twice with this model yet: there is no curve to draw.