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GPT-5.6 Terra
PreviewOpenAIFrontierProprietary
Mid-tier GPT-5.6 preview variant in the limited Sol/Terra/Luna rollout. Reporting describes Terra as roughly half the price of Sol while still gated by the government-review access process.
Specifications
- License
- Proprietary
- Weights
- Not released
- Architecture
- unknown
- Parameters
- Undisclosed
- Context window
- 1.5M tokens
- Max output
- 128K tokens
- Knowledge cutoff
- Jan 31, 2026
- Price (in / out, $/M)
- $2.5 / $15
- Modalities
- TextVisionAudioCode
Benchmarks
No benchmark scores recorded yet. Spotted some? Submit a correction.
Vendor-reported figures are claims until independently verified. See methodology.