# Data — texttospeech.com

> Downloadable snapshot archive with full ranking history. Every ranking is an immutable snapshot.

## Key Information
- Current snapshot: 2026-08-19T14-05-26Z
- Total snapshots: 5
- Models in current snapshot: 108
- Captured: Aug 19, 2026

## Source Boards
- artificialanalysis.com: Speech Arena Elo
- voicearena.com: arena Elo, US English
- humannessindex.vapi.ai: humanness score 0–100

## Snapshot Contents
- boards: Source list, status, normalization strategy, board size
- models: Raw scores per board, aliases applied, metadata
- rules: Scoring mode, board authorities, dataset constants

## Data Format
- All snapshots available as JSON
- Ranks and BPRA scores recomputed from raw values
- Nothing pre-baked or editable after capture

## Links
- Data page: https://texttospeech.com/data
- Methodology: https://texttospeech.com/methodology
- Leaderboard: https://texttospeech.com/