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Credits

Zhipu: GLM 5.1 Thinking

Zhipu AI's GLM-5.1 follows GLM-5 as an open-weight, MIT-licensed text model for agentic coding and long-horizon work. It is built to plan, execute and refine one task over long sessions, and has a thinking mode.

Price per 1M tokens
$1.10 / $3.80
input / output
Cached input
$0.27
per 1M tokens
Context
200K tokens
131K max output
Providers
2

Providers

Compare all 2 providers of GLM 5.1 Thinking by price, speed and uptime, and call any of them through one OpenAI-compatible API.

Provider prices are what each provider charges. You pay the price above until pass-through billing starts; then you pay the provider's price directly.

  • 200K context · 131K max output

  • 1 more provider through partner hosts · from $0.74 in · $2.63 out

Per 1M tokens: the provider's own price. Speed and uptime show here once measured. “Requests go here” marks where a request that names no provider goes now. Logos are trademarks of their owners.

Price history

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API

curl https://api.opencheap.si/v1/chat/completions \
  -H "Authorization: Bearer $OPENCHEAP_API_KEY" -H "Content-Type: application/json" \
  -d '{ "model": "opencheap/glm-5.1:thinking", "messages": [{ "role": "user", "content": "Hi" }] }'