OpenAI 半年内为 API 发布 30+ 模型与工具

Over the past six months, we shipped 30+ models, features, and upgraded tools for the API.

Our changelog has been busy. Here’s what you may have missed for the API:

New models • GPT-5.5 • GPT-5.4 mini • GPT-5.4 nano • GPT-Realtime-2 • GPT-Realtime-Whisper • GPT-Realtime-Translate • GPT-Image-2

Agent building blocks • Agents SDK harness & sandbox • Skills in the Responses API • Server-side compaction • WebSocket mode • Hosted shell

More ways to build • Admin API enhancements • OpenAI CLI • Models on Amazon Bedrock