Small Language Models: Edge AI Innovation From AI21

While most of the AI world is racing to build ever-bigger language models like OpenAI’s GPT-5 and Anthropic’s Claude Sonnet 4.5, the Israeli AI startup AI21 is taking a different path.

AI21 has just unveiled Jamba Reasoning 3B, a 3-billion-parameter model. This compact, open-source model can handle massive context windows of 250,000 tokens (meaning that it can “remember” and reason over much more text than typical language models) and can run at high speed, even on consumer devices. The launch…