Harvey Introduces Harvey Tenet: A Kimi K3 Base Post-Trained with Fireworks for Long-Horizon Legal Agent Work

Legal AI firm Harvey has released Harvey Tenet, a specialized model built on the Kimi K3 architecture and post-trained using Fireworks AI infrastructure. The model is designed to handle complex, long-horizon legal tasks that require sustained reasoning. Internal testing indicates that Harvey Tenet nearly doubles task completion rates for legal-specific benchmarks compared to previous iterations.