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Open modelsZ.aiGLM 5.3 Flash

GLM 5.3 Flash

TrendingAvailable
zai-org/GLM-5.3-Flash

Share GLM 5.3 Flash

https://www.rightnowai.co/models/glm-5-3-flash

PNG, 1200 by 630.

Get API keyChat Completions API reference

Pricing

Pay per token

Input / million

USD0.11

Cached input / million

USD0.03

Output / million

USD0.45

Cache hit rate

99.4%last 24 hours

Access

Provider
Z.ai
API compatibility
Chat-compatible, POST /v1/chat/completions
Messages compatibility
Messages-compatible, POST /v1/messages
Accepted input
Text and images
Availability
Available
Data retention
Read the policy

Capacity

Context window
1,048,576 tokens
Maximum generated output
65,536 tokens

Capabilities

Tool calling
Supported
JSON mode
Supported
Streaming
Supported
View full spec
Model ID
glm-5-3-flash
API model ID
zai-org/GLM-5.3-Flash
Kind
Chat
Prompt caching
Supported
Reasoning effort
low, high, max

Code examples

# Set RUNINFRA_GATEWAY_KEY to your API key before running this example.
curl -X POST "https://api.runinfra.ai/v1/chat/completions" \
  -H "Authorization: Bearer $RUNINFRA_GATEWAY_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"glm-5-3-flash","messages":[{"role":"user","content":"Hello"}],"max_tokens":2048}'

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