General-Purpose & Free AI Tools

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General-Purpose & Free AI Tools    

General-purpose AI assistants such as ChatGPT, Claude, and Google's NotebookLM are not built specifically for law, but they are widely used across legal departments — especially by solo practitioners, small in-house teams, and anyone testing whether AI adds value before committing to an expensive legal-specific platform — because they offer meaningful capability at a fraction of the cost. NotebookLM is particularly useful for legal work because it restricts its answers strictly to documents a user uploads (case files, contracts, discovery materials) and cites the specific source passage for every answer, which meaningfully reduces the risk of fabricated information compared to an open-ended chatbot. ChatGPT and Claude are more flexible for brainstorming, first-draft summaries, and general drafting help, but neither is grounded in a licensed legal database the way Lexis+ AI or CoCounsel are, so any case-law citation they produce must be independently verified before it is relied upon in professional work — this is exactly the failure mode that has led to sanctions in several reported court cases where unverified AI-generated citations were filed. The appeal of this category is cost: free tiers exist for all three tools, and paid tiers are commonly $20/month per user, orders of magnitude cheaper than enterprise legal AI platforms, making them a reasonable low-risk starting point for legal departments still building an AI governance policy.