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Pricing sourced from Google Colab · Last verified March 2026
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View Full Features →Yes. Colab offers a genuinely free tier that includes CPU, GPU (typically NVIDIA T4), and TPU runtimes, along with all major Python data science libraries pre-installed. Free usage is subject to dynamic limits — sessions can disconnect after inactivity and GPU access is not guaranteed during peak times. For heavier or more reliable workloads, paid tiers (Colab Pro, Pro+, and Pay As You Go) unlock better hardware and longer sessions.
Colab Pro provides faster GPUs, more memory, and longer runtimes than the free tier for a fixed monthly fee. Colab Pro+ adds background execution (notebooks keep running when you close the tab) and even higher resource priority. Pay As You Go lets you purchase compute units directly without a subscription, which is useful for occasional heavy jobs. Premium GPUs like A100 and L4 are accessible on the paid tiers when available.
Yes, within limits. Colab is widely used for fine-tuning small-to-medium models, running LoRA training, and generating images with Stable Diffusion. However, training large foundation models from scratch is impractical due to memory and runtime caps. Most users do inference, fine-tuning, or experimentation on Colab and move to dedicated cloud GPUs (e.g., Vertex AI, AWS, Lambda) for full-scale training.
The notebook runtime itself is ephemeral — when the session ends, all files in /content are deleted. To persist data, you can mount your Google Drive, connect to Google Cloud Storage, push results to GitHub, or download files locally. Most users mount Drive at the start of each notebook to read datasets and write checkpoints.
Yes. Because notebooks live in Google Drive, you can share them with view, comment, or edit permissions just like a Google Doc. Multiple collaborators can edit cells simultaneously, leave comments, and view each other's cursors, making Colab one of the strongest collaborative notebook environments available.
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