# Top AI coding assistants fail one in four tasks, revealing serious gaps between hype and actual performance reliability

> Report finds AI coding assistants regularly fail one in four structured-output tasks Even advanced proprietary models only reach approximately 75% accuracy Open source AI models perform worse, averaging closer to 65%…

- **Source:** [TechRadar](https://www.techradar.com/pro/even-the-most-advanced-ai-models-fail-more-often-than-you-think-on-structured-outputs-raising-doubts-about-the-effectiveness-of-coding-assistants?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=69c0608bbe8a9d5aa7f0ecfc)
- **Published:** 2026-03-22
- **Category:** AI & Bots
- **Tags:** #ai #tasks #coding #four #models #assistants #between #fail
- **Canonical:** http://localhost:4321/a/69c0608bbe8a9d5aa7f0ecfc

---

_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._