GLM-5 review, price and benchmarks (2026)

public free open-weights in Generator coding

Provider

Statuspublic

AA Intelligence Index39.5 (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

The early-2026 base of the GLM-5 family that put Z.ai on the frontier map.

Coding76

Reasoning66

Writing58

Agents & tools70

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

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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).