AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

DeepSeek V2.5 (Revised) vs GLM-5.1

DeepSeek
DeepSeek V2.5 (Revised)
Z.ai
GLM-5.1
Overview
CompanyDeepSeekZ.ai
Release dateDec 2024Apr 7 2026
AccessOpen WeightOpen Weight
Specifications
Parameters
744B
Context window
200k
Benchmarks
Agentic terminal coding
Terminal-Bench 2.0
63.5%
Web browsing
BrowseComp
68%
Science
GPQA Diamond
86.2%
Timeline
Release gapDeepSeek V2.5 (Revised) shipped 492 days before GLM-5.1

Which is better: DeepSeek V2.5 (Revised) or GLM-5.1?

DeepSeek V2.5 (Revised) and GLM-5.1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek V2.5 (Revised) shipped 492 days before GLM-5.1, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — DeepSeek V2.5 (Revised) and GLM-5.1 don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek V2.5 (Revised) was released by DeepSeek on Dec 2024.

GLM-5.1 was released by Z.ai on Apr 7 2026.

Other comparisons