OpenAI
Available in Shortly AI
GPT 5.6 Luna
Released July 9, 2026
ReasoningVision (Image)Tool Use
GPT-5.6 Luna is a fast, affordable GPT-5.6 model that brings strong capability at the lowest cost in the series.
- Context window
- 1.1M tokens
- Maximum output
- 128K tokens
- Input pricing
- $0.20/M
- Output pricing
- $1.20/M
Independent benchmark
LiveBench performance
73.6overall
Benchmark data from LiveBench, release 2026-06-25. Scores are pinned and are not fetched on page load.
85.6
82.9
48.4
87.2
78.0
72.6
60.1
| Category | Score |
|---|---|
| Reasoning | 85.644 |
| Coding | 82.915 |
| Agentic Coding | 48.434 |
| Mathematics | 87.201 |
| Data Analysis | 78.033 |
| Language | 72.567 |
| Instruction Following | 60.121 |
Benchmarks measure selected evaluation tasks and do not guarantee performance for every prompt or workflow.
FAQ
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