Devin by Cognition: why it's considered one of the best coding agents
Devin is created by Cognition and is one of the best software factories in the industry — it's not cheap, but it's good. When Devin first came out about two and a half years ago, it was pitched as a software engineer, but honestly it didn't work very well because the models just weren't good enough. No matter how good the harness was, the models weren't there. Fast forward to 2026 and the models are definitely good enough, and when you combine strong models with a good cloud-based harness, the results are really good. The key differentiator is that it's cloud-based, which means you can run agents without worrying about local code collisions, work trees, or other technical friction that keeps you from shipping.
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