Gemini 3.8 Live Extended Thinking 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
1.3 sfirst audio?
68.6τ-Voice
Sep 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 →Strong at
Alternatives?
ModelScoreCostPriceWhat changes
ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
ModelScoreCostPriceWhat changes
UUltravox RealtimeOpen-96%—$0.05Languages: loses zh-Hans, zh-Hant, pt-BR +58Benchmarks
in Speech & VoiceEVA-Bench · EVA-A accuracy pass50.1#5
EVA-Bench · EVA-X experience pass79.2#2
EVA-Bench · response speed1.6#1
FAQ
Is Gemini 3.8 Live Extended Thinking 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 Extended Thinking, and what is it best at?›
#3 of 17 in Realtime. Strongest at: Speech & Voice.
Is Gemini 3.8 Live Extended Thinking better than Gemini 3.8 Live?›
On EVA-Bench · EVA-X experience pass, Gemini 3.8 Live Extended Thinking scores 79.2 vs 88.6 — lower.
How can I use Gemini 3.8 Live Extended Thinking?›
Through the Google API.
When was Gemini 3.8 Live Extended Thinking released? Is there a newer version?›
Released 2026-09-15. It is the current version in its line.
Is Gemini 3.8 Live Extended Thinking open source?›
No, Gemini 3.8 Live Extended Thinking is a closed model available through an API. The closest open-weights option here is Ultravox Realtime.
What is Gemini 3.8 Live Extended Thinking?›
Gemini 3.8 Live Extended Thinking is a closed speech & voice model from Google, released Sep 2026.
What are the best alternatives to Gemini 3.8 Live Extended Thinking?›
Gemini 3.8 Live (better), Ultravox Realtime (open weights).