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Model Timeline

Timeline of GLM 5.1

Every recorded change for this model by Z.ai (Zhipu AI), newest first. Back to the entity page →

5 events

Year

All years 2026

Category · events in the last 365 days

All categories Benchmarks4,947 Models2,337 Companies1,601 Research1,104 Releases1,019 Providers & pricing640 Datasets146 Frameworks136 Hardware43 Pricing14 Repositories10

Filtered to one entity. Show the whole atlas

Events per month · 2 months shown

Sept 20264 Apr 20261

Sept 2026 4

12 Sept 2026
Context window changed

ModelGLM 5.1Z.ai (Zhipu AI)

GLM 5.1: context length changed from 200000 to 204800

Context window200K tokens→204.8K tokensopenrouter

openrouter.ai

11 Sept 2026

Context window changedModelGLM 5.1Z.ai (Zhipu AI)

GLM 5.1: context length changed from 204800 to 200000

Context window204.8K tokens→200K tokensartificial_analysis

artificialanalysis.ai

11 Sept 2026

Release date changedModelGLM 5.1Z.ai (Zhipu AI)

GLM 5.1: release date changed from 2026-04-03 to 2026-04-07

Release date3 Apr 2026→7 Apr 2026openrouter

openrouter.ai

11 Sept 2026

Release date changedModelGLM 5.1Z.ai (Zhipu AI)

GLM 5.1: release date changed from 2026-04-07 to 2026-04-03

Release date7 Apr 2026→3 Apr 2026huggingface

huggingface.co

Apr 2026 1

7 Apr 2026
New modelModelGLM 5.1Z.ai (Zhipu AI)
New model: GLM 5.1 (Z.ai (Zhipu AI))
openrouter
openrouter.ai

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