GPT-5.6 Luna: Release Intelligence, Performance & Price
Available providers
GPT-5.6 Luna (max)GPT-5.6 Luna (xhigh)GPT-5.6 Luna (high)GPT-5.6 Luna (medium)GPT-5.6 Luna (low)GPT-5.6 Luna (Non-reasoning)Artificial Analysis Intelligence Index
The GPT-5.6 Luna release offers 6 models, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across the 6 models.
- For intelligence, the top model of GPT-5.6 Luna is GPT-5.6 Luna (max) at 38.
- For output speed, the fastest model is GPT-5.6 Luna (xhigh) at 118 t/s.
- For latency, GPT-5.6 Luna (Non-reasoning) at 0.81s offers the lowest time to first answer token.
- For pricing, GPT-5.6 Luna (low) at $0.01 offers the lowest cost per task. Prices vary up to 18x across models.
| Input modality | Supports: text and image |
|---|---|
| Output modality | Supports: text |
| Context window | 1M ~1500 A4 pages of size 12 Arial font |
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indices
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench 4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2, AA-Briefcase, AA-LCR v1.1 · Higher is better
More from OpenAI
Further details
Weights | Provider Benchmarks | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| GPT-5.6 Luna (max) | OpenAI | 38 | - | 1M | $0.2 | 115 | Not available |  | |
| GPT-5.6 Luna (xhigh) | OpenAI | 35 | - | 1M | $0.2 | 118 | Not available |  | |
| GPT-5.6 Luna (high) | OpenAI | 32 | - | 1M | $0.2 | 114 | Not available | | |
| GPT-5.6 Luna (medium) | OpenAI | 25 | - | 1M | $0.2 | 114 | Not available | | |
| GPT-5.6 Luna (low) | OpenAI | 22 | - | 1M | $0.2 | 100 | Not available | | |
| GPT-5.6 Luna (Non-reasoning) | OpenAI | 16 | - | 1M | $0.2 | 109 | Not available | |