GPT-5.6 Luna
By OpenAI · released 2026-07-09 (3 months) · 6 effort levels
6 of 6 on the frontier at launchOff the frontier todayproprietary
- Intelligence index
- 15.50–37.30
- Cost to run the AA index
- $23.0–$320
- Price per 1M tokens (in / out)
- $0.20 / $1.20
Today
Where GPT-5.6 Luna stands on the 2026-10-25 frontier
No measured level is on the frontier today.
| Level | Input modalities | Intelligence | Cost | E2E | Today | Matchup |
|---|---|---|---|---|---|---|
| GPT-5.6 Luna (Non-reasoning) | Text, Image | 15.50 | $23.0 | 4.97s | beaten by GPT-6 Luna (Low) | Compare |
| GPT-5.6 Luna (Low) | Text, Image | 21.00 | $27.0 | 5.90s | beaten by GPT-6 Luna (Low) | Compare |
| GPT-5.6 Luna (Medium) | Text, Image | 25.00 | $44.3 | 6.11s | beaten by GPT-6 Luna (Medium) | Compare |
| GPT-5.6 Luna (High) | Text, Image | 32.10 | $108 | 12.3s | beaten by Claude Haiku 5.5 (High) | Compare |
| GPT-5.6 Luna (Xhigh) | Text, Image | 34.60 | $179 | 35.9s | beaten by Claude Haiku 5.5 (Xhigh) | Compare |
| GPT-5.6 Luna (Max) | Text, Image | 37.30 | $320 | 103.7s | beaten by MiMo-V2.6-Pro | Compare |
GPT-5.6 Luna effort levelsToday's Pareto frontierEvery other model
Matchup
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
- GPT-5.6 Luna (Max) vs MiMo-V2.6-Pro
- GPT-5.6 Luna (Max) vs GPT-6.1 Sol (Medium)
- GPT-5.6 Luna (Max) vs GPT-5.6 Luna (Non-reasoning)
- GPT-5.6 Luna (Max) vs GPT-5.6 Luna (Low)
- GPT-5.6 Luna (Max) vs GPT-5.6 Luna (Medium)
- GPT-5.6 Luna (Max) vs GPT-5.6 Luna (High)
- GPT-5.6 Luna (Max) vs GPT-5.6 Luna (Xhigh)
- GPT-5.6 Luna (Max) vs MiMo-V2.6-Flash
- GPT-5.6 Luna (Max) vs GPT-6 Luna (Max)
- GPT-5.6 Luna (Max) vs Claude Haiku 5.5 (Xhigh)
- GPT-5.6 Luna (Max) vs GPT-6.1 Sol (High)
- GPT-5.6 Luna (Max) vs GPT-6.1 Sol (Xhigh)
Launch day
What GPT-5.6 Luna did to the frontier on 2026-07-09
Reached the frontier
GPT-5.6 Luna (Non-reasoning) · GPT-5.6 Luna (Low) · GPT-5.6 Luna (Medium) · GPT-5.6 Luna (High) · GPT-5.6 Luna (Xhigh) · GPT-5.6 Luna (Max)
Reached the frontier6 of 6
Impact (hypervolume gained)13.36
Rank, past year's releases#1 of 46
Smartest level37.30
Cheapest level$23.0
Reached the frontierMissed itDisplaced from the old frontierFrontier the day beforeFrontier after the releaseRegion gained (impact)
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. Markdown: /releases/gpt-5-6-luna?format=md · llms.txt · agent skill