Uploaded March 2026 | Updated September 2026, 3 weeks ago

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latent.space

Last week, Cursor dropped Composer 2, their own coding model, that beat OpenAI and Anthropic on both cost and performance. But a developer poking around their API found something they weren't supposed to see. The base model running under the hood? Kimi K2.5. A Chinese open-source model Cursor never mentioned. This is bigger than just drama.

#software #startups #Cursor #CursorAI #AI #ArtificialIntelligence #VC #TechNews #OpenSourceAI #AINews #Coding #AIExplained