Blogs
Insights on human feedback, AI alignment, and scaling preference data. Research, product thinking and Datapoint updates from the team.
Featured · September 1, 2026
The Best Human Preference Data APIs & Providers in 2026
Where to get human preference data for RLHF, DPO, reward models, and evals in 2026: API-first platforms, annotation services, research panels, and open datasets, honestly compared.
Rapidata Alternatives for Human Preference Data (2026)
A practical comparison of Rapidata alternatives for collecting human preference data: Datapoint, Prolific, Surge AI, Scale AI, and Toloka, by audience, speed, pricing model, and API depth.
September 1, 2026
Vibe Landing Page Arena: 36,000 Human Judgments on Which AI Tool Builds the Best Landing Pages
The largest controlled evaluation of AI-generated web design published to date. 100 prompts, 4 tools, 3,492 evaluators, 4 design dimensions. Cursor ranks first. The margins are tighter than you think.
April 7, 2026
Evaluating Motion in Video Generation: 145K Human Preferences and the Limits of VLM Judges
A large-scale human preference study comparing Veo 3, Grok Imagine, Kling 1.5 Pro, and Luma Ray 2 across 440 prompts and 11 content categories, with VLM judge benchmarking revealing systematic biases in automated evaluation.
March 31, 2026
Introducing Datapoint AI
How Datapoint AI is revolutionizing human preference data collection by connecting AI labs with billions of mobile users.
March 17, 2026