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GLM 5.1 Fast

NeuralwattOpen weights

GLM 5.1 Fast by Neuralwatt costs $1.10 per 1M input tokens and $3.60 per 1M output tokens, with a 203K-token context window.

Pricing

Input (per 1M tokens)
$1.10
Output (per 1M tokens)
$3.60
Cached input (per 1M)
—

Specifications

Provider
Neuralwatt
Context window
203K tokens
Parameters
—
Released
Apr 2026
Open weights
Yes
Frontier model
No

Compare GLM 5.1 Fast with…

GLM 5.1 Fast vs Kimi K2.5$2.59/1MGLM 5.1 Fast vs Kimi K2.6$3.22/1MGLM 5.1 Fast vs Kimi K2.5 Fast$2.59/1MGLM 5.1 Fast vs GLM 5 Fast$3.60/1MGLM 5.1 Fast vs GLM 5.2$4.50/1MGLM 5.1 Fast vs Qwen3.5 397B Fast$4.14/1M

FAQ

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