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Free AI Agents Directory: What "Free" Actually Includes
A guide to genuinely free AI agent tools versus free-tier-limited products, and what to check before relying on a free plan long-term.
Direct answer
A genuinely free AI agent is either fully open source with no paid tier, or a commercial product's free tier with usage limits low enough that most real workloads outgrow it — check the specific limit (requests per day, seats, model access) rather than the word "free" alone before planning around it.
Last reviewed 2026-08-29
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Two different meanings of "free"
- Free and open source — the software itself has no license cost and can be self-hosted indefinitely, though self-hosting still carries infrastructure cost.
- Free tier of a commercial product — free up to a usage limit (requests, seats, feature access), with the vendor's business model depending on a portion of free users converting to paid — the limit is the part to check, since it determines whether the free tier is viable for your actual usage.
What to verify before relying on a free plan
Check the specific limit (a request cap, a seat cap, a feature restriction) against your expected usage, not just that a free tier exists. Also check whether the vendor's free tier uses your inputs for model training by default — a common trade-off for free access that a paid tier often excludes.
Where to look
Open source options are listed in the open source agents category with verified repository identity. For commercial free tiers, check each tool's own pricing page directly, since free-tier limits change more frequently than paid pricing does.