GPT Live 1
Sep 2026
GPT Live 1Compare inon
GPT Live 1 measured on 21 of 34 Realtime benchmarks21
BenchmarkByScoreRank
Agents13Leads on 1
Multimodal6
Legacy · saturated or no longer reported2
No benchmark matches
$0.05per minute
1.2 sfirst audio?
59.3τ-Voice
Sep 2026released
$0.05 / minPer audio minute
voice layer only; backend model and tools billed separatelyPrice covers
Rankingat low effort?
Full ranking →Strong at
Alternatives?
ModelScoreCostPriceWhat changes
BetterGrok Voice 3.0wins 52%+60%$0.08Per audio minute: $0.05 / min → $0.08 / min+1
BetterGemini 3.1 Flash Live Previewminimalwins 57%——Per audio minute: not verified+1BetterGemini 3.8 Livewins 54%——Per audio minute: not verified+1Same labGPT Realtime 1.5wins 43%——Per audio minute: not verified+1ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
Grok Voice 3.0wins 52%+60%$0.08Per audio minute: $0.05 / min → $0.08 / min+1Gemini 3.1 Flash Live Previewminimalwins 57%——Per audio minute: not verified+1Gemini 3.8 Livewins 54%——Per audio minute: not verified+1ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
GPT Realtime 1.5wins 43%——Per audio minute: not verified+1GPT Realtimeunstatedwins 39%——Per audio minute: not verified+1GPT Realtime 2.1highwins 35%——Per audio minute: not verified+1GPT Realtime 2highwins 33%——Per audio minute: not verified+1GPT Realtime Miniunstatedwins 33%——Per audio minute: not verifiedGPT Realtime 2.1 Miniminimalwins 23%——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 & VoiceFull-Duplex-Bench · AA subset v1/v1.597.3#3
Time to first audio · AA1.2#18
AA Speech Agent Arena · overall · Elo1,047.3#4
AA Speech Agent Arena · overall · Task Success90.9#5
AA Speech Agent Arena · agentic · Elo1,038.4#4
AA Speech Agent Arena · non-agentic · Elo1,064.7#3
τ-Voice · AA · aggregate59.3#3
τ-Voice · AA · airline76#1
τ-Voice · AA · retail56.1#2
τ-Voice · AA · telecom45.6#5
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?›
#3 of 17 in Realtime. Strongest at: Speech & Voice.
Is GPT Live 1 better than Grok Voice 3.0?›
On AA Speech Agent Arena · overall · Elo, GPT Live 1 scores 1,047.3 vs 1,064 — lower. It is 38% cheaper.
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.
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).