Main takeaway: OpenAI confirmed GPT-5.6 SOL Ultra will be integrated into Codex. Thibault Sottiaux announced on social media that the Ultra version is planned for Codex after users criticized GPT-5.5 Pro's exclusion, saying developers might skip paying for Claude.
币界网消息，OpenAI核心产品负责人Thibault Sottiaux在社交平台证实，下一代旗舰模型GPT-5.6 SOL的Ultra版本将会接入Codex。此前有用户抱怨，OpenAI没把GPT-5.5 Pro放进Codex是一大失误，如果能将GPT-5.6 Ultra接入，开发者甚至不需要再为Claude付费Sottiaux随即公开确认，Ultra版本确实在Codex规划中。