GLM Z1 Rumination 32B

Name: GLM Z1 Rumination 32B
Author: Tsinghua Knowledge Engineering Group (THUDM)

Released

2025-01-01

Last refreshed

2026-05-19

Status

Researched 134d ago

Open sourceCommercial use: permittedLong context

Tsinghua Knowledge Engineering Group (THUDM) releases · 1 in the last 12 monthsChangelog →

Specifications

Family: GLM-Z1
Released: 2025-01-01
Context: 128k
Parameters: 32B
Architecture: Decoder Only
Specialization: reasoning
Openness: Open source
License: MITOSI-approvedCommercial use: permitted
Weights: Unknown
Code: Unknown
Training: Pretrained

Created by

Tsinghua Knowledge Engineering Group (THUDM)

Leading China's LLM innovation surge

Beijing, China

Founded 2018

Website

Pricing

Output / 1M

$0.900

Input / 1M

$0.900

Cheapest of 1 route · Fireworks AI

Providers(1)

Fireworks AI

View 1 provider route

About

GLM Z1 Rumination 32B is Tsinghua Knowledge Engineering Group (THUDM)'s GLM-Z1 model focused on step-by-step reasoning. It offers a 128K-token context window.

Provider price ladder

Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.

Provider	Input / 1M	Output / 1M	Route
Fireworks AI	$0.900	$0.900	Serverless

Available via routers & gateways(1)

OpenRouter

Hybrid

Unified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.

PassthroughFireworks AI