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GLM 5.1

BasetenOpen weights

GLM 5.1 by Baseten costs $1.30 per 1M input tokens and $4.30 per 1M output tokens, with a 203K-token context window.

Pricing

Input (per 1M tokens)
$1.30
Output (per 1M tokens)
$4.30
Cached input (per 1M)
$0.26

Specifications

Provider
Baseten
Context window
203K tokens
Parameters
754B
Released
Apr 2026
Open weights
Yes
Frontier model
No

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FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.