AI21 Labs

AI21 Labs launches Teel, a Python runtime for faster agent workflows
AI21 Labs has introduced Teel, an open source Python runtime designed to overlap independent, IO-bound calls in ordinary sequential Python code. The company says Teel…

AI21 says post-training pushed Nemotron 3.5 Super past frontier quality
AI21 says it has post-trained NVIDIA Nemotron 3.5 Super VL to outperform Claude Opus 5.5 on Deel’s global payroll benchmark, while costing 50x less per 1M tokens. The…