Llama 3.1 405B review, price and benchmarks (2026)

legacy free open-weights local

Provider

Statuslegacy

AA Intelligence Index8.5 (July 16, 2026 snapshot)

Releasedn/a

Context windown/a

Modalitiesn/a

API price $/1M (in / out)n/a

Speedn/a

AccessOpen weights

In one line

2024's open giant - a milestone for open AI, now outclassed by far smaller models.

Coding22

Reasoning20

Writing26

Agents & tools16

Category scores (0-100) are WhichAI blended ratings: public category leaderboards plus editorial judgment. Guidance, not official measurements.

Alternatives worth a look

LFM2.5 (Liquid AI) · AA 8.3Open weights · edge/on-device
Solar Pro 2 (Upstage) · AA 7.8API · Korean ecosystem
Llama 4 Scout (Meta) · AA 10Open weights · very long context

Open Llama's official app ↗ Open in the WhichAI app Not sure? Take the 30-second finder

Artificial Analysis Intelligence Index, 2026 rebased scale (top models ≈ 55–60). Snapshot: July 24, 2026 (BenchLM mirror), retrieved July 26, 2026. Context, price and release data come from vendor pages and public pricing mirrors (retrieved July 19, 2026). Missing values are not published or not yet verified - shown as -. Sources are linked inside the app (Model guide and About > Methodology).