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Compare Gemini 3.8 Live Extended Thinking

Gemini 3.8 Live Extended Thinking’s pricing, architecture, and capability ratings side by side with up to three other AI audio models. Pick models below — your selection is saved in the URL and is shareable. Gemini 3.8 Live Extended Thinking full profile ↗

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Gemini 3.8 Live Extended Thinking's pricing, architecture, and capability ratings side by side with up to three other AI audio models. Add or remove comparison models with the selector below — the selection is saved in the page URL, so a specific comparison is shareable.

Is Gemini 3.8 Live Extended Thinking or Gemini 3.8 Live cheaper?

They are currently priced the same — both $0.0144 / minute.

How does Gemini 3.8 Live Extended Thinking compare to Gemini 3.8 Live?

Modelglass rates both models across 5 capability dimensions. They rate evenly on the dimensions where both have profile data.

Compare with (up to 3)

	Gemini 3.8 Live Extended Thinking base	Amazon Polly	Azure Neural TTS	Cartesia Sonic	ElevenLabs Eleven v3	ElevenLabs Eleven v4	ElevenLabs Eleven v4 Turbo	ElevenLabs Flash v2.5	ElevenLabs Multilingual v2	Fish Audio S1	Fish Audio S2 Pro	Fish Audio S2.1 Pro	Gemini 3.8 Flash TTS	Gemini 3.8 Flash-Lite TTS	Gemini 3.8 Live	Google Cloud TTS	GPT-4o Audio Preview (retired)	GPT-Audio 1.5	Grok Voice Think Fast 2.0	Inworld TTS-1.5 Max (deprecated)	Inworld TTS-2	Inworld TTS-2 Flash	OpenAI TTS-1	OpenAI TTS-1 HD	PlayHT 2.0 (retired)
Price	$0.0144 / minute	from $4.00 / 1M characters	from $4.00 / 1M characters	$50.00 / 1M characters	$80.00 / 1M characters	$22.00 / 1M characters	$11.00 / 1M characters	$40.00 / 1M characters	$80.00 / 1M characters	$15.00 / 1M characters	$15.00 / 1M characters	$15.00 / 1M characters	$0.0054 / minute	$0.0036 / minute	$0.0144 / minute	from $4.00 / 1M characters	Retired · last price $80.00 / 1M tokens (output)	$0.0768 / minute	$0.08 / minute	$35.00 / 1M characters	$25.00 / 1M characters	$15.00 / 1M characters	$15.00 / 1M characters	$30.00 / 1M characters	Retired · last price $30.00 / 1M characters
Creator	Google DeepMind	Amazon	Microsoft	Cartesia	ElevenLabs	ElevenLabs	ElevenLabs	ElevenLabs	ElevenLabs	Fish Audio	Fish Audio	Fish Audio	Google DeepMind	Google DeepMind	Google DeepMind	Google	OpenAI	OpenAI	xAI	Inworld AI	Inworld AI	Inworld AI	OpenAI	OpenAI	PlayHT
Architecture	audio-native-transformer	neural-tts	neural-tts	state-space-model	neural-tts	neural-tts	neural-tts	neural-tts	neural-tts	neural-tts	neural-tts	neural-tts	audio-native-transformer	audio-native-transformer	audio-native-transformer	neural-tts	audio-native-transformer	audio-native-transformer	audio-native-transformer	neural-tts	neural-tts	neural-tts	neural-tts	neural-tts	neural-tts
Released	2026-09	2016-11	2019-09	2024-04	2026-02	2026-09	2026-09	2024-06	2023-10	2025-11	2026	2026	2026-09	2026-09	2026-09	2018-03	2024-10	—	2026-07	2026-01	—	—	2023-11	2023-11	2023-07
Generation	Current	—	—	Current	Previous	Current	Current	Current	Previous	Previous	Previous	Current	Current	Current	Current	—	Previous	Current	Current	Previous	Current	Current	Previous	Previous	—
	Unknown	Moderate	Strong	Moderate	Strong	Strong	Unknown	Moderate	Strong	Strong	Strong	Strong	Unknown	Unknown	Unknown	Strong	Strong	Strong	Strong	Strong	Unknown	Unknown	Moderate	Strong	Strong
How natural and human-like the synthesized speech sounds — covering prosody, pacing, intonation, and absence of robotic or mechanical artefacts. What each rating means here Strong Indistinguishable from human speech in most contexts — natural prosody, expressive intonation, and no robotic artefacts. Moderate Clearly intelligible and mostly natural; occasional stiffness in intonation or unnatural pauses on complex sentences. Weak Noticeable robotic or mechanical quality; suited for simple utility use cases but not human-facing interactions.
	Unknown	Moderate	Strong	Moderate	Strong	—	—	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Unknown	Strong	Moderate	Moderate	Unknown	Unknown	—	—	Weak	Weak	Strong
The range of distinct voices, accents, ages, and speaking styles available out of the box from the provider's voice library. What each rating means here Strong Large library of high-quality voices spanning many accents, ages, and styles — easy to find the right voice for any use case. Moderate Good selection for common use cases; narrower range of accents or styles compared to best-in-class providers. Weak Few voices available; limited accent or style diversity — expect significant overlap in output character.
	Unknown	Weak	Moderate	Moderate	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Unknown	Weak	Weak	Weak	Unknown	Strong	Moderate	Moderate	Weak	Weak	Strong
Ability to clone a custom voice from a short audio sample, enabling personalised or brand-consistent TTS output. What each rating means here Strong High-fidelity voice cloning from a short sample (< 30 s); cloned voices retain speaker identity reliably across long outputs. Moderate Voice cloning available but requires more audio input or produces less accurate identity preservation across varied content. Weak No voice cloning support, or cloning quality is too low for production use.
	Unknown	Strong	Moderate	Strong	Moderate	Strong	Strong	Strong	Moderate	Unknown	Strong	Strong	Unknown	Unknown	Unknown	Moderate	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Moderate	Moderate
Time-to-first-audio-chunk when using the streaming endpoint — lower latency enables real-time conversational applications. What each rating means here Strong Sub-300 ms time-to-first-audio — suitable for real-time conversational agents and interactive voice applications. Moderate 300–700 ms first-chunk latency — works for near-real-time use cases but adds noticeable delay in tightly interactive flows. Weak High latency (> 700 ms first chunk) — suitable only for offline or batch TTS scenarios, not real-time conversations.
	Strong	Strong	Strong	Moderate	Strong	Strong	Strong	Strong	Strong	Moderate	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Strong	Moderate	Strong	Strong	Strong	Strong	Strong
Number and quality of supported output languages. Strong coverage means high-quality synthesis across many major and minor languages. What each rating means here Strong High-quality output across many major and minor languages with consistent accuracy or naturalness. Moderate Good support for widely spoken languages (English, Spanish, French, German, Chinese) but quality degrades for lower-resource languages. Weak Primarily English-optimised; other languages may be supported but with noticeably lower quality.

Capability ratings are an expert synthesis across benchmarks, community evaluations, and provider documentation. “—” means no profile data for that dimension.