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GLM-5.1 API

Zhipu's previous GLM generation at budget pricing — solid Chinese-language understanding for high-volume support and moderation, one generation behind the flagship.

ValueBest for: Budget GLM for Chinese-language work.

Why developers pick it

• GLM-family Chinese-language quality at budget pricing.
• 200K context — plenty for long support threads.
• Cached input at 1/10: high-volume conversations stay cheap.

Code example

from openai import OpenAI

client = OpenAI(base_url="https://bridge.computeindex.net/v1", api_key="sk-bridge-YOUR_KEY")

completion = client.chat.completions.create(
    model="glm-5.1",
    messages=[{"role": "user", "content": "请用中文写一段产品介绍。"}],
)
print(completion.choices[0].message.content)

FAQ

Is this the same model as Zhipu's official? Yes — the same model, served through the Bridge OpenAI-compatible gateway.

GLM-5.1 or GLM-5.2? 5.2 is the newer generation with vision input; 5.1 is the budget pick for Chinese-language text workloads.

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