View on models.dev Introducing GPT-6 Sol and Luna
GPT-6 Sol and Luna bring Astra-family advances to faster, lower-cost reasoning models for professional work, coding and computer use.
OpenAI
GPT-6 Luna
OpenAI's most efficient model for focused, high-volume tasks
Specs
Model
- Family
- GPT-6
- Variant
- Luna
- Weights
- Proprietary
Limits
- Context
- 1,050,000 tokens
- Max output
- 128,000 tokens
Modalities
- Input
- Text Image PDF
- Output
- Text
Pricing
- Input
- $0.1 / 1M
- Output
- $0.5 / 1M
- Cache read
- $0.01 / 1M
- Cache write
- $0.125 / 1M
Capabilities
- Reasoning
- Yes
- Reasoning control
- Effort levels
- Tool calling
- Yes
- Attachments
- Yes
Dates
- Released
- 22 Sept 2026
- Knowledge cutoff
- 18 May 2026
Articles
All articlesopenai.com
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