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Neuralwatt

GLM 5.1 Fast model ID, context window & pricing

glm

Quick facts

Model ID glm-5.1-fast
Source Neuralwatt
Context Window 202736
Pricing $1.10 input / $3.60 output per 1M tokens
Capabilities tool calling, temperature control, open weights

Model overview

GLM 5.1 Fast is an AI model from Neuralwatt with 202736 token context window and text input support.

Published pricing is $1.10 input and $3.60 output per 1M tokens.

  • Workloads that use text inputs with text outputs.
  • Agent and tool workflows that need function calling.
Model ID glm-5.1-fast
Provider Neuralwatt
Family glm
Status -
Knowledge Cutoff -
Release Date 2026-04-07
Input Modalities text
Output Modalities text
Context Window 202736
Input Limit -
Output Limit 202736
Tool Calling Yes
Reasoning No
Structured Output -
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens $1.10
Output Cost / 1M tokens $3.60
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -