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Input / 1M
$0.012
Output / 1M
$0.900
Context
1M tokens
Max output
131K tokens
Input
Text, Image, Video, Pdf
Released
1mo ago
Pricing
Input tokens$0.012 per 1M
Output tokens$0.900 per 1M
Provider list priceExactly what your balance is debited; our fee is charged when you buy credits
About GLM-5.3-Flash
Native multimodal GLM model for efficient coding and long-horizon agent tasks
VisionReasoningTools
What it supports
- Tool calling (function calling)
- JSON mode and structured output
- Image input (vision)
- Audio input
- Extended reasoning
- Streaming responses
- OpenAI SDK, Anthropic SDK and any OpenAI-compatible client
Make a request
curl https://rapidrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $RAPIDROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "z-ai/glm-5.3-flash",
"messages": [{ "role": "user", "content": "Hello" }]
}'Frequently asked
How do I call GLM-5.3-Flash through an OpenAI-compatible API?
Point any OpenAI-compatible client at https://rapidrouter.ai/api/v1 with a Rapid Router API key and set the model to z-ai/glm-5.3-flash. The chat completions endpoint is https://rapidrouter.ai/api/v1/chat/completions.
What is the context window of GLM-5.3-Flash?
GLM-5.3-Flash has a context window of 1,000,000 tokens on Rapid Router, and returns up to 131,072 output tokens per reply.
What can GLM-5.3-Flash do?
On Rapid Router, GLM-5.3-Flash supports tool calling, JSON mode, image input, extended reasoning.