The absolute trainer to light up AI agents.
Agent Reinforcement Trainer: train multi-step agents for real-world tasks using GRPO. Give your agents on-the-job training. Reinforcement learning for Qwen3.5, GPT-OSS, Llama, and more!
A Next-Generation Training Engine Built for Ultra-Large MoE Models
The RL Bridge for LLM-based Agent Applications. Made Simple & Flexible.
Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.