Composer 1.5 vs LLaMA 4 Scout
Cursor Composer 1.5 | Meta LLaMA 4 Scout | |
|---|---|---|
| Overview | ||
| Company | Cursor | Meta |
| Release date | Feb 8 2026 | Apr 5 2025 |
| Access | Proprietary | Open Weight |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | — | 19% |
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | 67% | — |
| Timeline | ||
| Release gap | LLaMA 4 Scout shipped 309 days before Composer 1.5 | |
Which is better: Composer 1.5 or LLaMA 4 Scout?
Composer 1.5 and LLaMA 4 Scout don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. LLaMA 4 Scout shipped 309 days before Composer 1.5, so benchmark comparisons should account for the intervening progress.
Composer 1.5 is proprietary, while LLaMA 4 Scout is open weight.
Direct benchmark comparisons are unavailable — Composer 1.5 and LLaMA 4 Scout don't publish scores on any of the same benchmarks.
Frequently asked questions
Composer 1.5 was released by Cursor on Feb 8 2026.
LLaMA 4 Scout was released by Meta on Apr 5 2025.
Composer 1.5 is a proprietary model released by Cursor. LLaMA 4 Scout is an open weight model released by Meta.
Other comparisons
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