Gemini 3.8 Live measured on 15 of 34 Realtime benchmarks15
BenchmarkByScoreRank
Agents4
Multimodal9
Legacy · saturated or no longer reported2
No benchmark matches
$0.005 / $0.018per minute in / out
1.2 sfirst audio?
30.1τ-Voice
Sep 2026released
en, es, fr +97Languages
Provider-stated input/output audio minute components; text, tools and session/backend charges remain separate.Price covers
Ranking?
Full ranking →Strong at
Alternatives?
ModelScoreCostPriceWhat changes
ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Benchmarks
in Speech & VoiceBig Bench Audio · AA v1.291.7#13
Full-Duplex-Bench · AA subset v1/v1.596.1#6
Time to first audio · AA1.2#17
AA Speech Agent Arena · overall · Elo1,077.6#2
AA Speech Agent Arena · overall · Task Success93.2#3
AA Speech Agent Arena · agentic · Elo1,064.1#3
AA Speech Agent Arena · non-agentic · Elo1,119.7#2
τ-Voice · AA · aggregate30.1#12
τ-Voice · AA · airline48.7#10
τ-Voice · AA · retail29.2#11
τ-Voice · AA · telecom12.3#14
EVA-Bench · EVA-A accuracy pass45.9#7
EVA-Bench · EVA-X experience pass88.6#1
EVA-Bench · response speed2#5
FAQ
Is Gemini 3.8 Live free to use?›
There is no free API; the cheapest paid price is $0.005 per 1M input tokens.
How good is Gemini 3.8 Live, and what is it best at?›
#12 of 17 in Realtime.
Is Gemini 3.8 Live better than Qwen Audio 3.0 Realtime Flash?›
On Full-Duplex-Bench · AA subset v1/v1.5, Gemini 3.8 Live scores 96.1 vs 96.9 — about the same.
How can I use Gemini 3.8 Live?›
Through the Google API.
When was Gemini 3.8 Live released? Is there a newer version?›
Released 2026-09-15. It is the current version in its line.
Is Gemini 3.8 Live open source?›
No, Gemini 3.8 Live is a closed model available through an API. The closest open-weights option here is PersonaPlex 7B.
What is Gemini 3.8 Live?›
Gemini 3.8 Live is a closed speech & voice model from Google, released Sep 2026, the successor to Gemini 2.5 Flash Exp Native Audio Thinking Dialog.
What are the best alternatives to Gemini 3.8 Live?›
StepAudio 3 Realtime Preview (better), PersonaPlex 7B (open weights).