Cognition Releases Fusion Harness Claiming Up To 39 Percent Cost Cut
Cognition, the company behind the AI agent Devin, released Fusion, a harness that pairs a planning and review model with a cheaper execution model. Cognition advises GPT-6 Astra or Anthropic's the model as the planning model and the SWE-2 coding model as the executor, and states Fusion cuts costs by up to 39 percent versus Codex at comparable scores.