Cost Per Output

Gemini transcription pricing per hour and per minute

Gemini API charges $0.306 an hour for recorded audio ($0.0051 a minute) with Gemini 3.5 Transcribe (an estimate, as it bills tokens), and $0.536 an hour for live audio ($0.0089 a minute) with Gemini 3.5 Transcribe Live (an estimate, as it bills tokens). The free tier charges nothing for input or output, but Google may use free-tier content to improve its products, which it doesn't on the paid tier. Billed in tokens: Google counts 25 audio tokens per second of input audio, plus the text tokens returned.

Ranked by each vendor's cheapest option at 100 hours a month, Gemini API comes 10th of 12 for recorded audio and 5th of 10 for live audio.

Gemini 3.5 Transcribe$0.306/hour$0.0051 a minute, recorded audio, estimate
Gemini 3.5 Transcribe Live$0.536/hour$0.0089 a minute, live audio, estimate

Prices by model

ModelAudioPer minutePer hour
Gemini 3.5 Transcribe
Estimate: Billed in tokens: $2.00 per million audio input tokens and $12.00 per million output tokens. Google's own basis (25 audio tokens a second, 175 output tokens a minute) gives $0.0051 a minute; Google rounds it to about $0.005.
batch$0.0051$0.306
Gemini 3.5 Transcribe Live
Estimate: Billed in tokens: $3.50 per million audio input tokens and $21.00 per million output tokens. On Google's basis that is $0.0089 a minute; Google rounds it to about $0.009.
streaming$0.0089$0.536

What 10, 100, 1,000 and 10,000 hours a month cost

Model10 hours100 hours1,000 hours10,000 hours
Gemini 3.5 Transcribe
batch
$3.06
$0.306/h
$30.60
$0.306/h
$306
$0.306/h
$3,060
$0.306/h
Gemini 3.5 Transcribe Live
streaming
$5.36
$0.536/h
$53.55
$0.536/h
$536
$0.535/h
$5,355
$0.535/h

Regular prices. One-off credits and promotions aren't counted.

Free tier and credits

Billing

Add-ons

FeatureAudioPrice
Speaker diarizationbatchIncluded
Part of Gemini 3.5 Transcribe, no separate price.

Volume discounts and commitments

Quick answers

How much does Gemini transcription cost per hour?

$0.306 an hour for recorded audio, and $0.536 an hour for live audio, at regular pay-as-you-go prices.

What do 100 hours of audio a month cost on Gemini API?

$30.60 for recorded audio on Gemini 3.5 Transcribe (an estimate, as it bills tokens), or $53.55 for live audio on Gemini 3.5 Transcribe Live (an estimate, as it bills tokens).

Does Gemini API have a free tier?

The free tier charges nothing for input or output, but Google may use free-tier content to improve its products, which it doesn't on the paid tier.

Does Gemini API bill per second?

Billed in tokens: Google counts 25 audio tokens per second of input audio, plus the text tokens returned.

Is anything cheaper than Gemini API for recorded audio?

Yes: at 100 hours a month, 9 of the 11 other vendors we price cost less: Groq Whisper Large V3 Turbo at $0.04 an hour, Speechmatics Melia 1 at $0.12 an hour, AssemblyAI Universal-2 at $0.15 an hour and 6 more.

Is anything cheaper than Gemini API for live audio?

Yes: at 100 hours a month, 4 of the 9 other vendors we price cost less: AssemblyAI Universal-Streaming at $0.15 an hour, Speechmatics Linden 1 (voice agents) at $0.20 an hour, ElevenLabs Scribe v2 Realtime at $0.38 an hour and 1 more.

Gemini API against the market: recorded audio

100 hours of recorded (batch) audio a month, each vendor's cheapest option
#Vendor and optionPer monthPer hourPer minute
1Groq Whisper Large V3 Turbo$4$0.04$0.0007
2Speechmatics Melia 1$12$0.12$0.002
3AssemblyAI Universal-2$15$0.15$0.0025
4OpenAI gpt-4o-mini-transcribe$18$0.18$0.003
4Google Cloud V2 dynamic batch$18$0.18$0.003
4Azure AI Speech Batch transcription$18$0.18$0.003
7Rev AI Reverb (English)$20$0.20$0.0033
8ElevenLabs Scribe v2$21.01$0.21$0.0035
9Deepgram Nova-3 Monolingual$25.80$0.258$0.0043
10Gemini API Gemini 3.5 Transcribe$30.60$0.306$0.0051
11Amazon Transcribe Standard$36$0.36$0.006
12Gladia Starter (async)$61$0.61$0.0102

Gemini API against the market: live audio

100 hours of live (streaming) audio a month, each vendor's cheapest option
#Vendor and optionPer monthPer hourPer minute
1AssemblyAI Universal-Streaming$15$0.15$0.0025
2Speechmatics Linden 1 (voice agents)$20$0.20$0.0033
3ElevenLabs Scribe v2 Realtime$38.03$0.38$0.0063
4Deepgram Nova-3 Monolingual$46.20$0.462$0.0077
5Gemini API Gemini 3.5 Transcribe Live$53.55$0.536$0.0089
6Amazon Transcribe Standard$60$0.60$0.01
7Gladia Starter (real-time)$75$0.75$0.0125
8Google Cloud V1 with data logging$95.04$0.95$0.0158
9Azure AI Speech Real-time transcription$100$1$0.0167
10OpenAI gpt-live-transcribe$102$1.02$0.017

Price your own monthly hours with the speech-to-text cost calculator, or see the cheapest speech-to-text API.

Sources

Read on 6 October 2026:

Show the quoted text
Gemini 3.5 Transcribe Live gemini-3.5-transcribe-live Try it in Google AI Studio Our low-latency, real-time speech-to-text model for bidirectional streaming audio transcription over WebSockets. Standard Free Tier Paid Tier, per 1M tokens in USD Input price Free of charge $3.50 or $0.005/min * (audio) Output price (including thinking tokens) Free of charge $21.00 or $0.004/min * (text) Grounding with Google Search Not Supported Used to improve our products Yes No * Estimated pricing is based on 25 audio tokens per second for input and 175 text tokens per minute for output, for an effective blended rate of ~$0.009 per min for Live Transcribe.
ai.google.dev/gemini-api/docs/pricing
Standard Free Tier Paid Tier, per 1M tokens in USD Input price Free of charge $2.00 or $0.003/min * (audio) Output price (including thinking tokens) Free of charge $12.00 or $0.002/min * (text) Grounding with Google Search Not Supported Used to improve our products Yes No * Estimated pricing is based on 25 audio tokens per second for input and 175 text tokens per minute for output, for an effective blended rate of ~$0.005 per min for Transcribe.
ai.google.dev/gemini-api/docs/pricing
Gemini 3.5 Transcribe gemini-3.5-transcribe Try it in Google AI Studio Our speech-to-text model with automatic language detection, speaker diarization, word-level timestamps, and custom vocabulary biasing.
ai.google.dev/gemini-api/docs/pricing
Volume-based discounts (based on usage)
ai.google.dev/gemini-api/docs/pricing

Prices on this page were checked against the official pricing pages on .