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Free and capable AI, built for everyone. Forever.

No paywalls. No usage limits. No model degrading. Invariant is an independent lab building honest intelligence and giving it away — so the people doing the most interesting work aren't the ones paying the most.

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Two tools, built for different moments. Pick the one that fits today.

Invariant’s purpose is to provide our users with free and capable AI forever. No paywalls, no usage limits, no model degrading, just free and capable AI.
Isaiah Tucker Founder, Invariant