Gemini 3.1 Flash Live Preview

Mar 2026
Retires Nov 17, 2026Move toGemini 3.8 LiveNewer version
Gemini 3.1 Flash Live Preview
Compare in
on
$0.005 / $0.018per minute in / out
1 sfirst audio?
26.2τ-Voice
Mar 2026released
en, es, fr +97Languages
Provider-stated input/output audio minute components; text, tools and session/backend charges remain separate.Price covers

Rankingat minimal effort?

Full ranking →
1Raon SpeechChat 9B02Deepslate Opal0.43Eleven Realtime v1 Max0.64Eleven Realtime v1 Mini0.65Grok Voice 2.00.7
···
11Qwen3 Omni 30B A3B Instruct0.912Gemini 3.1 Flash Live Preview113GPT Realtime 2.11

Strong at

C
Speech & Voice#13 of 17

Benchmarks

in Speech & Voice
Big Bench Audio · AA v1.271.3#20
Full-Duplex-Bench · AA subset v1/v1.572.3#21
Time to first audio · AA1#12
AA Speech Agent Arena · overall · Elo1,094.8#1
AA Speech Agent Arena · overall · Task Success74.6#15
AA Speech to Speech Index v2.064.2#12
AA Speech Agent Arena · agentic · Elo1,078.8#1
AA Speech Agent Arena · non-agentic · Elo1,140.1#1
τ-Voice · AA · aggregate26.2#13
τ-Voice · AA · airline43.3#14
τ-Voice · AA · retail21.9#12
τ-Voice · AA · telecom13.5#13
τ³-voice · Sierra · 1.0.0 · standard · retail26.3#5
τ³-voice · Sierra · 1.0.0 · standard · airline42#2
τ³-voice · Sierra · 1.0.0 · standard · telecom17.5#4
τ³-voice · Sierra · 1.0.0 · standard · overall28.6#4

FAQ

Is Gemini 3.1 Flash Live Preview free to use?›

There is no free API; the cheapest paid price is $0.005 per 1M input tokens.

How good is Gemini 3.1 Flash Live Preview, and what is it best at?›

#13 of 17 in Realtime.

Is Gemini 3.1 Flash Live Preview better than Qwen3 Omni 30B A3B Instruct?›

On Time to first audio · AA, Gemini 3.1 Flash Live Preview scores 1 vs 0.9 — about the same.

How can I use Gemini 3.1 Flash Live Preview?›

Through the Google API.

When was Gemini 3.1 Flash Live Preview released? Is there a newer version?›

Released 2026-03-11. It has been superseded by Gemini 3.8 Live.

Is Gemini 3.1 Flash Live Preview open source?›

No, Gemini 3.1 Flash Live Preview is a closed model available through an API. The closest open-weights option here is Raon SpeechChat 9B.

What is Gemini 3.1 Flash Live Preview?›

Gemini 3.1 Flash Live Preview is a closed speech & voice model from Google, released Mar 2026.

What are the best alternatives to Gemini 3.1 Flash Live Preview?›

Raon SpeechChat 9B (open weights).