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Z.ai: GLM 5

GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on large-scale programming tasks, rivaling leading...

View source on OpenRouter Hugging Face
Overview

Model specifications

Context
204,800 tokens
Maximum output
128,000 tokens
Architecture
text->text
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$0.600
per 1M tokens
Output
$1.92
per 1M tokens
Cache read
$0.120
per 1M tokens
API

Model configuration

Default parameters

temperature
1
top_p
0.95

Reasoning

Moderated
No
Default parameters
Yes
API

Quick start

Call this exact model ID through OpenRouter’s OpenAI-compatible API.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"z-ai/glm-5","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

Input → Output

Input
text
Output
text
Reasoning

Yes

API

Supported API parameters

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Available providers

11 providers

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

GMICloud

fp8
Context
203K
Maximum output
182K
Input
$0.600
Output
$1.92
Cache read
$0.120
Cache write
Not provided

StreamLake

fp8
Context
198K
Maximum output
128K
Input
$0.600
Output
$1.92
Cache read
$0.120
Cache write
Not provided

DeepInfra

fp4
Context
203K
Maximum output
16K
Input
$0.600
Output
$2.08
Cache read
$0.120
Cache write
Not provided

Baidu

fp8
Context
203K
Maximum output
131K
Input
$0.700
Output
$2.24
Cache read
$0.140
Cache write
Not provided

SiliconFlow

fp8
Context
205K
Maximum output
131K
Input
$0.950
Output
$2.55
Cache read
$0.200
Cache write
Not provided

AtlasCloud

fp8
Context
203K
Maximum output
182K
Input
$0.950
Output
$3.15
Cache read
$0.190
Cache write
Not provided

Venice

fp8
Context
198K
Maximum output
32K
Input
$1.00
Output
$3.20
Cache read
$0.200
Cache write
Not provided

Z.AI

fp8
Context
203K
Maximum output
131K
Input
$1.00
Output
$3.20
Cache read
$0.200
Cache write
Not provided

Novita

fp8
Context
203K
Maximum output
131K
Input
$1.00
Output
$3.20
Cache read
$0.200
Cache write
Not provided

Amazon Bedrock

unknown
Context
203K
Maximum output
131K
Input
$1.00
Output
$3.20
Cache read
Not provided
Cache write
Not provided

DigitalOcean

unknown
Context
64K
Maximum output
58K
Input
$1.00
Output
$3.20
Cache read
$0.200
Cache write
Not provided
z-ai

models

All models
z-ai logoz-ai

Z.ai: GLM 5.3 Flash (batch)

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

Context
1.0M
Input
text · image · video
Output
text
Input: $0.150Output: $0.500per 1M tokens
View model details →
z-ai logoz-ai

Z.ai: GLM 5.2

GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...

Context
1.0M
Input
text
Output
text
Input: $1.19Output: $3.74per 1M tokens
View model details →
z-ai logoz-ai

Z.ai: GLM 5.2 (free)

GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...

Context
256K
Input
text
Output
text
Input: FreeOutput: Freeper 1M tokens
View model details →
z-ai logoz-ai

Z.ai: GLM 5.1

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...

Context
205K
Input
text
Output
text
Input: $0.966Output: $3.04per 1M tokens
View model details →