OpenAI: GPT-5.6 Terra
- Model ID
- openai/gpt-5.6-terra
- Canonical slug
- openai/gpt-5.6-terra-20260709
- Knowledge cutoff
- 2026-02-16
- Created
- 7/9/2026
GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...