How Many Hours of Speech Is 1 Million Tokens?
One million tokens transcribes approximately 83 hours of speech — three and a half days of non-stop talking at about 150 words per minute.
Why this matters
Transcribing speech into tokens is the bridge between audio AI and text AI. Knowing the token cost of an hour of audio helps podcast platforms, call centers, and accessibility teams budget their transcription and summarization pipelines.
1 bar = 1 hour of talking
The answer
≈ 83 hours of speech
hours of transcribed speech
The math
Basis assumption
150 words per minute
Calculation
People speak about 150 words per minute (~200 tokens/min), so a million tokens transcribes about 83 hours — three and a half days of non-stop talking.
Result
1,000,000 tokens = 83 hours of transcribed speech
Quick reference
Other ways to measure one million tokens in the same category:
Real-world references
To put this in perspective, here are some well-known examples for comparison.