Z AI

GLM-5.1

StrongOpen WeightsReasoningMIT
Input Price
$1.40
/M tokens
Output Price
$4.40
/M tokens
Arena Rank
#39
Overall
Context
204.8K
tokens

One9Founders Verdict

GLM-5.1 from Z AI. Open weights (MIT). 204K context. $1.4/$4.4 per 1M tokens. Arena text #39.

Pricing Details

Input
$1.40
per 1M tokens
Output
$4.40
per 1M tokens
Cached Input
$0.26
per 1M tokens

Capabilities

Function Calling
Structured Output
Vision
-Web Search
-Code Execution
-MCP
Audio Input
Video Input
Reasoning
Streaming
-Batch API
-Computer Use

Chatbot Arena Rankings

Overall
#39

Security & Compliance

SOC 2 Type II
GDPR
HIPAA
Enterprise SSO
Audit Logs

Training data policy: N/A — open weights. Self-host for full control.

DPDP Act (India): Self-host in India for full DPDP compliance.

Data residency: Self-hosted

India Availability

Self-host in India