AI Model Watch
Deprecations / Migrate

Migrate off Gemini 2.5 Pro TTS

Retired

Gemini 2.5 Pro TTS has been retired. Google's official replacement is Gemini 3.1 Flash TTS. The cheapest comparable model we track is Llama 3.1 8B Instruct (Meta) at $0.022 per 1M tokens blended.

Last verified: 19 Aug 2026 · sourced from official provider documentation

StatusRetiredGoogle
Shut downUnannouncedplan ahead
Official replacementGemini 3.1 Flash TTS$5.75 /M blendedCheapest alternativeLlama 3.1 8B Instruct$0.022 /M blended
What changes

Gemini 2.5 Pro TTS → Gemini 3.1 Flash TTS

Moving to Gemini 3.1 Flash TTS means about the same blended price.

SpecGemini 2.5 Pro TTSGemini 3.1 Flash TTS
StatusRetiredPreview
Blended price /1M$5.75$5.75
Input / output /1M$1 / $20$1 / $20
Context window——
Max output——
Modalitytext, audio-outtext, audio-out
Knowledge cutoff——

API string was gemini-2.5-pro-preview-tts → switch to gemini-3.1-flash-tts-preview. See Gemini 3.1 Flash TTS's full spec sheet →

Cheapest alternatives

Budget-friendly replacements for Gemini 2.5 Pro TTS

Generally-available models that match Gemini 2.5 Pro TTS's capabilities, ranked by blended price. Every number is computed from official catalog prices.

ModelBlended /1MInput / outputContext
Llama 3.1 8B Instruct
Meta
$0.022$0.02 / $0.03128K
Amazon Nova Micro
Amazon
$0.061$0.035 / $0.14128K
Command R7B
Cohere
$0.066$0.037 / $0.15128K
FAQ

Migrating off Gemini 2.5 Pro TTS

What replaces Gemini 2.5 Pro TTS?

Google's recommended migration for Gemini 2.5 Pro TTS is Gemini 3.1 Flash TTS. The cheapest comparable model in our catalog is Llama 3.1 8B Instruct (Meta) at $0.022/1M blended.

Is Gemini 2.5 Pro TTS still available?

No — Gemini 2.5 Pro TTS has been retired and is no longer available via Google's API.

What is the cheapest alternative to Gemini 2.5 Pro TTS?

Llama 3.1 8B Instruct (Meta) is the cheapest generally-available alternative we track that matches Gemini 2.5 Pro TTS's capabilities, at $0.02 per 1M input and $0.03 per 1M output tokens ($0.022/1M blended).

Browse the full deprecation watch → or see Gemini 2.5 Pro TTS's full spec sheet →