FastRTC: The Real-Time Communication Library for Python

FlashCP: Load-Balanced Communication-Efficient Context Parallelism for LLM Training

arXiv:2606. 08476v1 Announce Type: cross Abstract: Context parallelism (CP) is essential for training large-scale, long-context language models, as it partitions sequences to reduce memory overhead.

Introducing the Realtime API

Developers can now build fast speech-to-speech experiences into their applications

Introducing gpt-realtime and Realtime API updates

We’re releasing a more advanced speech-to-speech model and new API capabilities including MCP server support, image input, and SIP phone calling support.

Introducing GPT-5.3-Codex-Spark

Introducing GPT-5. 3-Codex-Spark—our first real-time coding model.

Introducing ChatGPT and Whisper APIs

Hugging Face and Cloudflare Partner to Make Real-Time Speech and Video Seamless with FastRTC