GPT-6 Luna
AvailableGPT-6 Luna is OpenAI's lower-tier, high-throughput GPT-6 model released 2026-09-22 alongside GPT-6 Sol, positioned as an enterprise workhorse for common, lower-complexity tasks at a fraction of prior-tier cost. Optimized for fast responses and higher volume. Text and image input, text output; 1,050,000-token context window and 128,000 max output tokens. Knowledge cutoff 18 May 2026. Pricing: $0.10 / 1M input, $0.50 / 1M output. Built with methods similar to GPT-6 Astra for gains in professional work, factuality, coding, computer use, and alignment; outperforms its predecessor on OpenAI's benchmarks.
Specifications
- License
- Proprietary · Proprietary
- Weights
- Not released
- Architecture
- unknown
- Parameters
- Undisclosed
- Context window
- 1.1M tokens
- Max output
- 128K tokens
- Knowledge cutoff
- May 18, 2026
- Price (in / out, $/M)
- $0.1 / $0.5
- Modalities
- TextVisionCode
Benchmarks
No benchmark scores recorded yet. Spotted some? Submit a correction.
Vendor-reported figures are claims until independently verified. See methodology.