Llama 4 Scout is Meta smaller, more efficient open-source model with an industry-leading 10M token context window. Completely free to use and self-host, Scout is designed for applications requiring massive context processing like entire codebases, long documents, and multi-session conversations. It trades some reasoning capability for efficiency and context length.
| Benchmark | Score |
|---|---|
| Arena Elo (LMArena) | 1350 |
| Context Window | 10M |
| License | Open Source |
Unchanged since Jun 19, 2026 across 31 daily OpenRouter catalog snapshots.