GPT Live 1
Sep 2026
GPT Live 1Compare inon
GPT Live 1 measured on 21 of 34 Realtime benchmarks21
BenchmarkByScoreRank
Agents13Leads on 2
Multimodal6
Legacy · saturated or no longer reported2
No benchmark matches
$0.05per minute
1.3 sfirst audio?
74.5τ-Voice
Sep 2026released
$0.05 / minPer audio minute
voice layer only; backend model and tools billed separatelyPrice covers
Rankingat medium effort?
Full ranking →···
11Grok Voice 2.095.112GPT Live 194.913Eleven Realtime v1 Max94.1Strong at
Alternatives?
ModelScoreCostPriceWhat changes
BetterGrok Voice 3.0+2%+60%$0.08Per audio minute: $0.05 / min → $0.08 / min+1
OpenPersonaPlex 7B-4%——Per audio minute: not verified+1
BetterStepAudio 3 Realtime Preview+4%——Per audio minute: not verified+1
BetterQwen Audio 3.0 Realtime Plus+4%——Per audio minute: not verified+1BetterQwen Audio 3.0 Realtime Flash+2%——Per audio minute: not verified+1ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Grok Voice 3.0+2%+60%$0.08Per audio minute: $0.05 / min → $0.08 / min+1StepAudio 3 Realtime Preview+4%——Per audio minute: not verified+1Qwen Audio 3.0 Realtime Plus+4%——Per audio minute: not verified+1Qwen Audio 3.0 Realtime Flash+2%——Per audio minute: not verified+1ModelScoreCostPriceWhat changes
PersonaPlex 7BOpen-4%——Per audio minute: not verified+1KRaon SpeechChat 9BOpen-9%——Per audio minute: not verified+1KMoshiOpen-36%——Per audio minute: not verified+1NemotronLabs VoiceChat 11BOpen-44%——Per audio minute: not verified+1ModelScoreCostPriceWhat changes
GPT Realtime 2.1highsame——Per audio minute: not verified+1GPT Realtime 1.5same——Per audio minute: not verified+1GPT Realtime Minisame——Per audio minute: not verifiedGPT Realtime 2mediumsame——Per audio minute: not verified+1GPT Realtime-1%——Per audio minute: not verified+1GPT Realtime 2.1 Minihigh-3%——Per audio minute: not verified+1GPT Audio 1.5n/a——Per audio minute: not verified+1GPT Audio Minin/a——Per audio minute: not verifiedAll OpenAI models →Benchmarks
in Speech & VoiceBig Bench Audio · AA v1.290.1#14
Full-Duplex-Bench · AA subset v1/v1.594.9#12
Time to first audio · AA1.3#18
AA Speech Agent Arena · overall · Elo1,044.1#4
AA Speech Agent Arena · overall · Task Success87.4#8
AA Speech Agent Arena · agentic · Elo1,025.1#4
AA Speech Agent Arena · non-agentic · Elo1,098#4
τ-Voice · AA · aggregate74.5#1
τ-Voice · AA · airline76.7#1
τ-Voice · AA · retail72.5#1
τ-Voice · AA · telecom74.3#3
FAQ
How much does GPT Live 1 cost?›
$0.05 per minute.
Is GPT Live 1 free to use?›
There is no free API; it costs $0.05 per minute.
How good is GPT Live 1, and what is it best at?›
#1 of 17 in Realtime. Strongest at: Speech & Voice.
Is GPT Live 1 better than Qwen Audio 3.0 Realtime Plus?›
On Full-Duplex-Bench · AA subset v1/v1.5, GPT Live 1 scores 97.3 vs 98.4 — lower.
When was GPT Live 1 released? Is there a newer version?›
Released 2026-09-10. It is the current version in its line.
Is GPT Live 1 open source?›
No, GPT Live 1 is a closed model available through an API. The closest open-weights option here is PersonaPlex 7B.
What is GPT Live 1?›
GPT Live 1 is a closed speech & voice model from OpenAI, released Sep 2026.
What are the best alternatives to GPT Live 1?›
Grok Voice 3.0 (better), PersonaPlex 7B (open weights).