Amazon Polly vs Gemini Text-to-Speech

Amazon Polly9.1Visit Gemini Text-to-Speech9.0Visit

Higher score Amazon Polly #4 in Text-to-Speech Software 9.1/10 Paid ✓ 2 of 3 features Visit Amazon Polly

vs

Gemini Text-to-Speech #5 in Text-to-Speech Software 9.0/10 Free plan Free plan✓ 2 of 3 features Visit Gemini TTS

• Amazon Polly fits best

  AWS users needing mature TTS infrastructure

• Gemini Text-to-Speech fits best

  Low-cost expressive multilingual TTS

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Side by side

Feature	Amazon Polly 9.1/10 Visit ↗	Gemini Text-to-Speech 9.0/10 Visit ↗
At a glance
Editor score	9.1	9.0
Ranking	#4 in Text-to-Speech Software	#5 in Text-to-Speech Software
Best for	AWS users needing mature TTS infrastructure	Low-cost expressive multilingual TTS
Pricing model	Paid	Free plan + paid
Starting price	$4/unit/mo	$0.25/unit usage-based
Free plan	Not checked yet	✓ (best)
Free trial	—	—
Deployment	Cloud	Cloud, Browser extension
Platforms	Web	Web
Support	Phone, Live chat, Tickets, Community, Docs · 24/7	Docs
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Amazon Polly 2/3 · Gemini Text-to-Speech 2/3
Commercial use	Not checked yet	✓ (best)
Voice cloning	✓ (best)	Not checked yet
API access	✓	✓
Specs
Languages	42 languages	78 languages (best)
Maximum input	6000 characters	Not checked yet
Export formats	mp3, ogg_vorbis, ogg_opus, pcm, mu-law, a-law	WAV, PCM
Platforms	web, api	web, api
Our review
Pros	Four voice engines, including neural, long-form, and generative options SSML, pronunciation controls, speech marks, and adjustable delivery settings Streaming, asynchronous synthesis, and broad AWS service integrations	Supports 78 languages and 30 prebuilt voice options Adds style, accent, tone, pacing, and expressive audio controls Offers single- and two-speaker generation with streaming audio
Cons	No permanent free plan; free-tier access lasts for the first 12 months Long-Form voices cost $100 per 1 million characters Standard synchronous input is limited to 6,000 total characters	The service is currently in Preview Audio output is priced separately from text input No verified voice cloning is listed
Our verdict	Amazon Polly is a managed AWS text-to-speech service for developers and organizations building speech-enabled applications. It converts plain text or SSML into audio through standard, neural, long-form, and generative voice engines. Its… Read the review →	Gemini Text-to-Speech is Google's API capability for converting text into single-speaker or multi-speaker audio. It is aimed at developers building assistants, podcasts, audiobooks, narration workflows, and other applications that need… Read the review →

Strengths and trade-offs

• Amazon Polly — where it wins

  • Four voice engines, including neural, long-form, and generative options
  • SSML, pronunciation controls, speech marks, and adjustable delivery settings
  • Streaming, asynchronous synthesis, and broad AWS service integrations

  Where it doesn't

  • No permanent free plan; free-tier access lasts for the first 12 months
  • Long-Form voices cost $100 per 1 million characters
  • Standard synchronous input is limited to 6,000 total characters

• Gemini Text-to-Speech — where it wins

  • Supports 78 languages and 30 prebuilt voice options
  • Adds style, accent, tone, pacing, and expressive audio controls
  • Offers single- and two-speaker generation with streaming audio

  Where it doesn't

  • The service is currently in Preview
  • Audio output is priced separately from text input
  • No verified voice cloning is listed

• Amazon Polly9.1/10 · Paid

  A capable AWS text-to-speech service with multiple engines and developer controls.

  Visit Amazon PollyFull verdict →
• Gemini Text-to-Speech9.0/10 · Free plan

  A low-cost API TTS option with broad language support and expressive controls.

  Visit Gemini TTSFull verdict →