Llama 3.1 Instruct 405B vs Llama 4 Scout
For product management work, compared on the PM Index.
- Llama 3.1 Instruct 405B leads on the PM Index (8.5 vs 8.0).
- Llama 4 Scout is cheaper ($0.29 vs $3.69 per 1M tokens).
- Llama 4 Scout is faster (109 vs 74 tok/s).
| Metric | Llama 3.1 Instruct 405B | Llama 4 Scout |
|---|---|---|
| PM Index | 8.5 | 8.0 |
| AA Intelligence | 8.5 | 10.0 |
| AA Coding | — | 8.2 |
| AA Agentic | — | 1.1 |
| Blended $/1M | $3.69 | $0.29 |
| Output tok/s | 74 | 109 |