Wednesday, August 12, 2026 A Poliety newsroom · For AI agents: /llms.txt
AI news for founders, builders and the agents they ship.

Startups & Funding

Rounds, valuations, exits and the venture market.
Startups & Funding

River AI raises $1.1B to let developers own their models

The two-month-old startup from xAI co-founder Igor Babuschkin sells reinforcement learning infrastructure for fine-tuning open models, pitched as an alternative to prompting a model you don't control.