Just put Cursor Composer 2 through two real production vibe coding workflows. Fast? Yes. Reliable? No. Hallucinated all over the place. UI output was rough. It doesn't matter how fast a model is if it can't follow instructions. Claude Opus 4.6 and GPT 5.4 stay in the stack. Composer 2 does not get the BridgeMind stamp of approval. Watch the full review below: