Human data for frontier AI

Hear the data.

Enterprise-grade training data, RLHF and human-feedback pipelines for frontier AI — voice, language and feedback at Apna scale, across 22 Indic languages.

60M+ workforce · 22 Indic languages · 1,000 hrs/mo per language · 48 kHz studio capture
Featured sample

Multilingual ASR

Real-world audio · human-corrected transcript
DiarizationTimestampsHinglish95%+ accuracy
Built by Apna and backed by
Tiger Global Sequoia Lightspeed Insight Partners GSV Owl Ventures Greenoaks
Voice AI

One partner, the entire voice pipeline.

Real-world ASR, studio TTS, voice cloning and human evaluation — every sample below is real and plays in place.

Speech-to-Text

ASR & transcription

Real-world and telephony audio with human-validated transcripts, speaker IDs and timestamps.

Conversational

Diarized, timestamped dialogue

Two-speaker conversational audio with speaker IDs, timestamps and punctuation.

Text-to-Speech

Studio TTS with prosody tags

48 kHz studio capture with midfiller / endfiller / end-of-turn tagging.

South-Indian TTS

Kannada · Tamil · Telugu

A dedicated South-Indian studio set with natural code-switching.

Voice cloning

Consented studio voice library

Studio-quality voices captured with explicit cloning consent and a clean IP chain — described by language, age band and voice character.

Language coverage

Listen across India

Representative clips spanning the languages we capture and label.

Data catalog

What ships with every dataset.

Spec-compliant capture, full speaker metadata, and a clean consent and rights chain — built for frontier-lab procurement.

Dataset familyCoverageFormat / specWhat it proves
Audio

WAV (PCM), 16 / 24-bit, 44.1 / 48 kHz, mono & stereo. Separate channel per speaker on request.

Metadata

Unique speaker ID, gender, age band, region, profession, adult-only — balanced on request.

Consent & rights

Explicit consent, PII removal, one-time fee with perpetual usage rights. DPDPA-aligned.

Coming soon

Physical AI — egocentric video for robotics & world models.

End-to-end video data collection and annotation from factories and industrial environments, powered by Apna's field workforce. Now in build.

Egocentric captureFactory & industrialAction annotationField operators