GLM-5.2

class A live

Zhipu AI's ~753B MoE (40B active) open flagship; 1M-token context, reasoning + agentic coding, MIT weights. Leading open-weights model.

Layer 1 — factual axes

API & price	$1.40 / $4.40 per 1M (cache-hit in $0.26)	official	source ↗ 2026-07-04
Context	1M	official	source ↗ 2026-07-04
Weights	open · MIT	official	source ↗ 2026-07-04
Multimodal	text only	official	source ↗ 2026-07-04
Free tier	open self-host	official	source ↗ 2026-07-04

Layer 2 — output quality

51 / 100

Artificial Analysis Intelligence Index (leading open-weights) ↗ measured 2026-07-04

Eligible for Best free Best for API Open-weights

Zhipu AI’s ~753B MoE (40B active) open flagship; 1M-token context, reasoning + agentic coding, MIT weights. Leading open-weights model.