GPT Realtime 2
May 2026
GPT Realtime 2Compare inon
GPT Realtime 2 measured on 25 of 34 Realtime benchmarks25
BenchmarkByScoreRank
Agents13
Multimodal9Leads on 1
Other1Leads on 1
Legacy · saturated or no longer reported2
No benchmark matches
Rankingat minimal effort?
Full ranking →···
12GPT Realtime 2.192813GPT Realtime 2920.714GPT Realtime Mini907Strong at
Alternatives?
ModelScoreCostPriceWhat changes
BetterGPT Live 1lowwins 66%—$0.05
BetterGrok Voice 3.0wins 70%—$0.08
BetterEleven Realtime v1 Maxwins 61%—$0.08BetterGrok Voice 2.0unstatedwins 61%—$0.08BetterEleven Realtime v1 Miniwins 60%—$0.08ModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
GPT Live 1lowwins 66%—$0.05Grok Voice 3.0wins 70%—$0.08Eleven Realtime v1 Maxwins 61%—$0.08Grok Voice 2.0unstatedwins 61%—$0.08Eleven Realtime v1 Miniwins 60%—$0.08ModelScoreCostPriceWhat changes
Nothing here yet.
History
4 versionsBenchmarks
in Speech & VoiceBig Bench Audio · AA v1.271.8#20
Full-Duplex-Bench · AA subset v1/v1.596.1#7
Time to first audio · AA1.1#15
AA Speech Agent Arena · overall · Elo923.7#14
AA Speech Agent Arena · overall · Task Success84.7#10
AA Speech Agent Arena · agentic · Elo920.7#13
AA Speech Agent Arena · non-agentic · Elo912.3#14
τ-Voice · AA · aggregate30.8#10
τ-Voice · AA · airline52#9
τ-Voice · AA · retail21.9#12
τ-Voice · AA · telecom18.4#12
τ³-voice · Sierra · 1.0.0 · standard · retail39.5#3
τ³-voice · Sierra · 1.0.0 · standard · airline56#2
τ³-voice · Sierra · 1.0.0 · standard · telecom20.2#3
τ³-voice · Sierra · 1.0.0 · standard · overall38.5#2
FAQ
Is GPT Realtime 2 free to use?›
There is no free API; the cheapest paid price is $32 per 1M input tokens.
How good is GPT Realtime 2, and what is it best at?›
#10 of 17 in Realtime.
Is GPT Realtime 2 better than GPT Realtime 2.1?›
On AA Speech Agent Arena · agentic · Elo, GPT Realtime 2 scores 920.7 vs 928 — about the same.
How can I use GPT Realtime 2?›
Through the OpenAI API.
When was GPT Realtime 2 released? Is there a newer version?›
Released 2026-05-07. It is the current version in its line.
Is GPT Realtime 2 open source?›
No, GPT Realtime 2 is a closed model available through an API.
What is GPT Realtime 2?›
GPT Realtime 2 is a closed speech & voice model from OpenAI, released May 2026.
What are the best alternatives to GPT Realtime 2?›
GPT Live 1 (better).