Vibrant Labs

Vibrant Labs is an applied research lab developing data harvesting techniques for post-training AI agents. It addresses the cost and limited scalability of hand-built environments and human-authored tasks and rewards, particularly for longer-horizon agents. Its work centers on unsupervised environment design, where environments adapt to an agent and generate tasks at the frontier of its current ability, and on open-endedness, where environments continue producing novel, learnable challenges rather than saturating human-curated benchmarks.

The lab also develops self-evolving benchmarks, using coding agents as world-builders that construct environments, tasks, and verifiers and rebuild them as models improve. Its stated modalities include tool-use agents that call APIs and chain tools, and computer-use agents that navigate real user interfaces end to end. Named projects include Tau2-Infinity, a tool-use miner that harvests tasks within a target model's pass@k window with verifiers and environments; Ecom Bench, a benchmark for verifiable shopping tasks on the live web comparing DOM- and computer-use-based methods; and Cloning Bench, a benchmark testing how coding agents visually clone real web apps through iterative pixel-diff feedback. The team is also connected to Ragas, an open-source AI evaluation framework. The pages do not describe a free plan, trial, editions, or seat-based or usage-based packaging.