Voice of India - Tamil: leaderboard

Metric: Orthographically informed word error rate (OIWER, %; can exceed 100) on the Tamil unscripted telephone-conversation utterances of the closed Voice of India benchmark, transcripts with lattices of permissible spelling variants; systems run at default inference settings and only where they support the language; lower is better. Source: arxiv.org. Saturation forecast: Around March 2028. 14 models tracked.

Top models

#ModelScore
1Gemini 3 Pro15.7
2Gemini 3 Flash19.9

Interactive version: theaggregate.ai/benchmark?slug=voice-of-india-tamil · How It Works · Data refreshed daily, snapshot 2026-10-07.