OpenAI · Fast / lightweight
GPT-6 Luna New
OpenAI calls it its most efficient model for focused, high-volume tasks
- Provider
- OpenAI
- Family
- GPT
- Model type
- Fast / lightweight
- Official release date
- Sep 22, 2026
- Release type
- New model
- Status
- Generally available
- Previous version
- GPT-5.6 Luna
- Input
- text, image
- Output
- text
- Context window
- 1,050,000 tokens
- Max output
- 128,000 tokens
- API model id
gpt-6-luna- API price (input)
- $0.10 per 1M tokens
- API price (output)
- $0.50 per 1M tokens
- Price notes
- Cached input $0.01; Batch/Flex 50% off.
- Consumer apps
- —
- Developer API
- OpenAI API
- Free access
- None documented
- Paid access
- —
- Availability
- —
- Licence
- proprietary
Main improvements
- OpenAI calls it its most efficient model for focused, high-volume tasks
- Supports reasoning effort "none" for low latency
- Named replacement for GPT-4o, GPT-4o mini, GPT-4.1 and gpt-5.4-nano
Best use cases
- High-volume classification and extraction
- Low-cost chat
- Routing
Benchmarks
No benchmark results recorded. We only list scores with a source, benchmark version and date.
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