Canva expanded its partnership with OpenAI four days after launching Brush, a design-editing model it says costs 46% less per edit than its previous tool. The deal gives Canva broader access to OpenAI’s GPT-6 Astra and GPT-5.6 models, and the two companies will work on making them more economical to run, although no savings or costs were disclosed. OpenAI already powers features including Canva Code. Canva has been working to cut the costs of running AI across the platform; in August, cofounder and CEO Melanie Perkins said the company was “relying too heavily on frontier models” and cut revenue growth forecasts from 30% to 20% because they’d slowed the rollout of new AI features while Canva’s own technology and pricing caught up with demand. Last week’s release of Brush is part of that strategy and the second home-grown model after Craft, which generates images was also announced last month. Brush, available to Canva Pro subscribers, is up to 69% faster than its previous design agent and 46% cheaper per edit. Head of AI product Danny Wu said their four-year collaboration with OpenAI began with GPT-3 powering Magic Write, and the company is now expanding staff use of ChatGPT and Codex. In one internal test, Astra navigated more than 80 million lines of Canva’s code and wrote and analysed more than 1,000 queries against its data warehouse. Canva is among the