Rapidata

Rapidata brings real human judgment into your AI workflows. Ask a crowd of human annotators to classify items (pick one option per item) or compare two options head-to-head, and get clean, aggregated results back — all from your conversation.

Describe the task in natural language and Claude drafts it and shows you the cost up front. Nothing is collected or charged until you explicitly confirm. Tasks run on Rapidata's global audience, so they start collecting immediately, and results stream back as they come in.

Free to try: billing is pre-paid, pay-as-you-go, and new sign-ups get $20 in free credit — enough to run real tasks end to end at no cost.

Typical uses: evaluating or A/B-testing model outputs, building human-preference and eval datasets, image/text moderation, and settling any question that needs a genuine human answer. For advanced needs — more task types, custom or targeted audiences, and benchmarks — the full Rapidata SDK picks up where these tools leave off.