- What changed
- OpenAI is previewing a new Ultrafast API service tier for GPT-5.6 Sol, powered by Cerebras hardware, achieving speeds of up to 750 output tokens per second.
- Why you should care
- Extremely high token generation speeds enable real-time voice and interactive applications that previously suffered from latency bottlenecks.
- Your move
- Watch. Evaluate the Ultrafast tier for latency-sensitive applications like real-time conversational agents or instant code generation interfaces.
- What to watch next
- Watch for further verified reporting or independent evidence.
- Event
- release
- Event date
- Aug 13, 2026
- Relevant to
- AI application developers, API consumers, Enterprise software engineers