OpenAI
Available in Shortly AI
GPT-6 Luna
Released September 22, 2026
ReasoningVision (Image)Tool Use
GPT-6 Luna is OpenAI's efficient reasoning model for focused, high-volume tasks. It accepts text and images, generates text, and supports a 1,050,000-token context window with up to 128,000 output tokens. Configurable reasoning effort, structured outputs, prompt caching, and Responses API tools support cost-sensitive applications, coding tasks, and automated workflows.
- Context window
- 1.1M tokens
- Maximum output
- 128K tokens
- Input pricing
- $0.10/M
- Output pricing
- $0.50/M
Independent benchmark
LiveBench performance
64.6overall
Benchmark data from LiveBench 2.0, release 2026-10-25.
30.9
81.8
84.5
70.3
73.4
43.5
82.5
| Category | Score |
|---|---|
| Long Agentic | 30.900 |
| Reasoning | 81.800 |
| Coding | 84.500 |
| Browser Use | 70.300 |
| Data Analysis | 73.400 |
| Research | 43.500 |
| Design | 82.500 |
Benchmarks measure selected evaluation tasks and do not guarantee performance for every prompt or workflow.
FAQ
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