Ollama update all models (windows / powershell)

ollama-update-models.ps1

#!/usr/bin/env pwsh
# Updates ollama models.
#
# Takes output from `ollama list` and updates each model.

# Example:
# NAME                             ID              SIZE      MODIFIED    
# snowflake-arctic-embed:latest    21ab8b9b0545    669 MB    4 weeks ago    
# nomic-embed-text:latest          0a109f422b47    274 MB    4 weeks ago    
# qwen3:latest                     500a1f067a9f    5.2 GB    4 weeks ago    
#
# Usage:
# .\ollama-update.ps1
# 

$models = ollama list | Where-Object { $_ -notmatch '^NAME' -and $_.Trim() -ne '' } | ForEach-Object {
    ($_ -split '\s+')[0]  # Extract model name (first column)
}

foreach ($model in $models) {
    Write-Output "Updating model: $model"
    ollama pull $model
}