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Z.ai · 16 Jun 2026

GLM-5.2

An open flagship model designed to hold context and execute over long software-engineering horizons.

ImpactMajor

High-signal launch with broad capability, access or platform-level implications.

Context1M contextAccessopenWeightsopenPriceunknownCheckInferred
Availability
StatusTrackedChannelWeightsWeightsOpenPricingUnclearDocsSource
Source qualityLaunch announcement

Release is backed by the lab’s own announcement or newsroom post.

First-party source · 1 receipt

Change Lens

What actually changed.

Normalized from the release note so different labs can be compared by the same fields, not just by launch copy.

Compared withprevious GLM release

General · Coding · Open weights

CapabilityGeneral · Coding · Open weightschanged
AvailabilityMIT open weightsnew
PricingNo pricing change found in the indexed note.unknown
Context1M contextchanged
EvidenceFirst-party sourcenew
ConfidenceInferred

Evidence is first-party; comparison labels are normalized by Radar.

Source qualityLaunch announcement

Release is backed by the lab’s own announcement or newsroom post.

First-party source · 1 receipt

Source receipts

Evidence behind the brief.

The Radar keeps claims traceable: first-party sources, normalized fields, unknowns and the latest verification marker used for this page.

Announcement16 Jun 2026
AvailabilityMIT open weights
PricingNo pricing change found in the indexed note.
Context1M context
ConfidenceInferred
Last checked16 Jun 2026
Needs review

Pricing is not clearly specified in the indexed source note.

Why it matters

Combines a stable million-token window with multiple reasoning-effort levels and openly released weights.

Capabilities
GeneralCodingOpen weights
Source

This brief links back to the first-party announcement or documentation used by the radar.

Open original source