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
ModelScoreCostPriceWhat changes
Nothing here yet.
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 Gemini 3.1 Flash Live Preview?›
On AA Speech Agent Arena · overall · Elo, Gemini 3.8 Live scores 1,077.6 vs 1,094.8 — lower.
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.
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?›
Gemini 3.1 Flash Live Preview (better).