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Open Source Benchmark

Gemini Transcription: Amazing Accuracy,
Timestamps Gone Wrong

We systematically tested Gemini's transcription across 4 dimensions. The text is excellent—but the timestamps need help.

30-300%
Original DER
9-16%
+LattifAI DER
Test Material: OpenAI GPT-4o Launch (~26 min) — 4 speakers including ChatGPT, frequent interruptions, overlapping speech, audience applause. Each experiment runs 2+ times for stability verification.
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