Gemini 2.5 Flash Native Audio Preview 12 2025

Dec 2025
Retires Nov 17, 2026Move toGemini 3.8 LiveNewer version
Gemini 2.5 Flash Native Audio Preview 12 2025
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$3 / $12per 1M audio in / out
22.8τ-Voice
Dec 2025released

Ranking?

Full ranking →
1StepAudio 3 Realtime Preview98.92Qwen Audio 3.0 Realtime Plus98.43GPT Live 197.34Grok Voice 3.0975Qwen Audio 3.0 Realtime Flash96.9
···
23NemotronLabs VoiceChat 11B52.924Gemini 2.5 Flash Native Audio Preview 12 202544

Strong at

C
Speech & Voice#14 of 17

Benchmarks

in Speech & Voice
Full-Duplex-Bench · AA subset v1/v1.544#24
τ-Voice · AA · aggregate22.8#14
τ-Voice · AA · airline44#14
τ-Voice · AA · retail9.4#15
τ-Voice · AA · telecom15#13

FAQ

Is Gemini 2.5 Flash Native Audio Preview 12 2025 free to use?›

There is no free API; the cheapest paid price is $3 per 1M input tokens.

How good is Gemini 2.5 Flash Native Audio Preview 12 2025, and what is it best at?›

#14 of 17 in Realtime.

Is Gemini 2.5 Flash Native Audio Preview 12 2025 better than NemotronLabs VoiceChat 11B?›

On Full-Duplex-Bench · AA subset v1/v1.5, Gemini 2.5 Flash Native Audio Preview 12 2025 scores 44 vs 52.9 — lower.

How can I use Gemini 2.5 Flash Native Audio Preview 12 2025?›

Through the Google API.

When was Gemini 2.5 Flash Native Audio Preview 12 2025 released? Is there a newer version?›

Released 2025-12-12. It has been superseded by Gemini 3.8 Live.

Is Gemini 2.5 Flash Native Audio Preview 12 2025 open source?›

No, Gemini 2.5 Flash Native Audio Preview 12 2025 is a closed model available through an API. The closest open-weights option here is PersonaPlex 7B.

What is Gemini 2.5 Flash Native Audio Preview 12 2025?›

Gemini 2.5 Flash Native Audio Preview 12 2025 is a closed speech & voice model from Google, released Dec 2025.

What are the best alternatives to Gemini 2.5 Flash Native Audio Preview 12 2025?›

GPT Live 1 (better), PersonaPlex 7B (open weights).