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GLM 5.1
chat / llm

GLM 5.1 by ZHIPUAI

zai-org/glm-5.1

GLM-5.1 is Z.AI’s latest flagship model, featuring upgrades in two key areas: enhanced programming capabilities and more stable multi-step reasoning/execution. It demonstrates significant improvements in executing complex agent tasks while delivering more natural conversational experiences and superior front-end aesthetics.

Chat / LLM
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Other variants in this seriesFamily guide →GLM 5.2$0.94/$2.95 · 1MGLM 5$0.95/$3.15 · 1MGLM 5v Turbo$1.20/$4.00 · 1M

Questions

How much does GLM 5.1 cost?
$1.26 per 1M input tokens and $3.96 per 1M output tokens on ElliSekiz — the provider's own price, billed 1:1 from a prepaid USD balance with no markup and no subscription. Failed generations are free.
How do I call GLM 5.1 from the API?
POST to https://ellisekiz.ai/api/v1/generations with "model": "zai-org/glm-5.1" and your prompt, authenticated with an ElliSekiz API token. The API tab on this page has the full request for this model, including its own parameters.
Pricing $1.26 in / $3.96 out per 1M tokens · billed 1:1 at provider cost · compare providers