OpenAI's GPT-5.6 series includes three models

Jul 31, 2026

12:38 pm

What's the storyOpenAI has announced a major price cut for two of its latest artificial intelligence (AI) models, the GPT-5.6 Terra and Luna. The move comes roughly three weeks after their public debut.

The company is under pressure to cater to a more cost-sensitive customer base, with enterprises hesitant to adopt expensive models without clear visibility of return on their investments.