Z AI

Large language model

GLM-5.1

StrongOpen WeightsReasoningMIT
Download Model →
Input Price
$0.97
/M tokens
Output Price
$3.04
/M tokens
Arena Rank
#44
Overall
Context
204.8K
tokens

Verdict

One9Founders Verdict

GLM-5.1 from Z AI. Open weights (MIT). 204K context. $0.966/$3.036 per 1M tokens. Arena text #44.

Pricing Details

Input
$0.97
per 1M tokens
Output
$3.04
per 1M tokens
Cached Input
$0.18
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
#44

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

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