Pricing°
GLM 5.1 trims input and output token pricing slightly
Z.ai's GLM 5.1 pricing on OpenRouter moved down marginally. Input went from $0.966 to $0.9646 per 1M tokens, and output from $3.036 to $3.0316 per 1M tokens. The change is fractions of a cent per million tokens in both directions of the exchange.
Pricing25 Sept 2026Z.ai
What it means for a SaaS brand
Nothing to act on here. If you run GLM 5.1 in your AI-search monitoring or content pipelines, your unit costs are effectively unchanged, so keep budgets and model choices as they are.
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