GPT-5.6
GPT-5.6 is a family of large language models by OpenAI. It was announced June 26, 20261 and released on July 9, 2026.
It consists of three tiers: Sol, Terra, and Luna. “Pro” variants of each tier were also released.
External links
Footnotes
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Previewing GPT-5.6 Sol (OpenAI, Jun 26, 2026) ↩
Models
| GPT-5.6 Luna | 2026-07-09 | Active | 1.05M | $1 / $6 |
| GPT-5.6 Sol | 2026-07-09 | Active | 1.05M | $5 / $30 |
| GPT-5.6 Terra | 2026-07-09 | Active | 1.05M | $2.5 / $15 |
3 of 3 models