RouterLab
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GLMAvailable

GLM 5.3 Flash API

RouterLab publishes this GLM model under the model ID glm-5.3-flash-trial. The facts below come from the active RouterLab catalog.

Model ID

glm-5.3-flash-trial

OpenAI-compatible API

Context window

1,048,576 tokens

Maximum output

131,072 tokens

Input / 1M tokens

$0.01

Output / 1M tokens

$0.01

Cache read / 1M tokens

$0.001

Cache write / 1M tokens

$0.001

Cache read reuses tokens already stored in the provider cache. Cache write creates or stores new cache tokens.

Catalog capabilities

  • Vision input
  • Tool calling
  • Streaming
  • Structured output
  • Reasoning

Minimal API request

curl https://api.routerlab.ch/v1/chat/completions \
  -H "Authorization: Bearer $ROUTERLAB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"glm-5.3-flash-trial","messages":[{"role":"user","content":"Hello RouterLab"}]}'