Cognition21h agoCognition Launches Fusion Multi-Model Harness in Devin CLI and Desktop
Cognition introduced Fusion, a multi-model harness for Devin CLI and Desktop that pairs a frontier lead model for planning with a cost-effective sidekick for execution. This architecture maintains frontier performance while reducing costs by up to 39% across coding benchmarks. The lead model retains control, reviewing work and managing the session to ensure quality and efficiency.