Gemini 3.1 Flash Live Preview
Mar 2026
Gemini 3.1 Flash Live PreviewCompare inon
Gemini 3.1 Flash Live Preview measured on 20 of 34 Realtime benchmarks20
BenchmarkByScoreRank
Agents9
Multimodal9Leads on 1
Legacy · saturated or no longer reported2
No benchmark matches
$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 →···
14GPT Realtime 2.1 Mini76.715Gemini 3.1 Flash Live Preview74.616Qwen 3.5 Omni Plus Realtime62Strong at
Alternatives?
ModelScoreCostPriceWhat changes
BetterGPT Live 1lowwins 52%—$0.05Languages: not verified
BetterGrok Voice 3.0wins 53%—$0.08Languages: loses es, zh-Hans, zh-Hant +83BetterGrok Voice 2.0unstatedwins 53%—$0.08Languages: not verifiedBetterGemini 3.8 Livewins 53%——BetterGPT Realtime 2.1highwins 52%——Languages: not verifiedModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
GPT Live 1lowwins 52%—$0.05Languages: not verifiedGrok Voice 3.0wins 53%—$0.08Languages: loses es, zh-Hans, zh-Hant +83Grok Voice 2.0unstatedwins 53%—$0.08Languages: not verifiedGemini 3.8 Livewins 53%——GPT Realtime 2.1highwins 52%——Languages: not verifiedModelScoreCostPriceWhat changes
Nothing here yet.
Benchmarks
in Speech & VoiceBig Bench Audio · AA v1.271.3#20
Full-Duplex-Bench · AA subset v1/v1.572.3#21
AA Speech Agent Arena · overall · Elo1,094.8#1
AA Speech Agent Arena · overall · Task Success74.6#15
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 GPT Realtime 2.1 Mini?›
On AA Speech Agent Arena · overall · Task Success, Gemini 3.1 Flash Live Preview scores 74.6 vs 76.7 — 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.
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?›
GPT Live 1 (better).