GPT Realtime Mini
Oct 2025
GPT Realtime MiniCompare inon
GPT Realtime Mini measured on 14 of 34 Realtime benchmarks14
BenchmarkByScoreRank
Agents4
Multimodal8
Legacy · saturated or no longer reported2
No benchmark matches
Ranking?
Full ranking →···
11GPT Realtime 2.1 Mini21.712GPT Realtime Mini16.3Strong at
Alternatives?
ModelScoreCostPriceWhat changes
UBetterUltravox RealtimeOpen+66%—$0.05Tool calling: not verified
BetterGrok Voice 3.0×4.5—$0.08Tool calling: not verifiedBetterGrok Voice 2.0unstated×3.2—$0.08Tool calling: not verifiedBetterGPT Realtime 2.1unstated×3.6——Tool calling: not verified
BetterGemini 3.8 Live Extended Thinkinghigh×3.4——Tool calling: not verifiedModelScoreCostPriceWhat changes
Nothing here yet.
ModelScoreCostPriceWhat changes
UUltravox RealtimeOpen+66%—$0.05Tool calling: not verifiedGrok Voice 3.0×4.5—$0.08Tool calling: not verifiedGrok Voice 2.0unstated×3.2—$0.08Tool calling: not verifiedGPT Realtime 2.1unstated×3.6——Tool calling: not verifiedGemini 3.8 Live Extended Thinkinghigh×3.4——Tool calling: not verifiedModelScoreCostPriceWhat changes
UUltravox RealtimeOpen+66%—$0.05Tool calling: not verifiedModelScoreCostPriceWhat changes
GPT Realtime 2.1unstated×3.6——Tool calling: not verifiedGPT Realtime 2unstated×3.1——Tool calling: not verifiedGPT Realtime 1.5×2.9——Tool calling: not verifiedGPT Realtime×2.5——Tool calling: not verifiedGPT Realtime 2.1 Miniunstated+33%——Tool calling: not verifiedGPT Live 1mediumn/a—$0.05GPT Audio 1.5n/a——Tool calling: not verifiedGPT Audio Minin/a——All OpenAI models →History
2 versionsBenchmarks
in Speech & VoiceBig Bench Audio · AA v1.263.6#22
Full-Duplex-Bench · AA subset v1/v1.595.7#11
AA Speech Agent Arena · overall · Elo923.9#14
AA Speech Agent Arena · overall · Task Success79.6#12
AA Speech Agent Arena · agentic · Elo907#14
AA Speech Agent Arena · non-agentic · Elo943.2#14
τ-Voice · AA · aggregate15.1#17
τ-Voice · AA · airline22#17
τ-Voice · AA · retail15.8#14
τ-Voice · AA · telecom7.6#15
EVA-Bench · EVA-A accuracy pass16.3#12
EVA-Bench · EVA-X experience pass40.6#8
FAQ
Is GPT Realtime Mini free to use?›
There is no free API; the cheapest paid price is $10 per 1M input tokens.
How good is GPT Realtime Mini, and what is it best at?›
#17 of 17 in Realtime.
Is GPT Realtime Mini better than GPT Realtime 2.1 Mini?›
On EVA-Bench · EVA-A accuracy pass, GPT Realtime Mini scores 16.3 vs 21.7 — lower.
How can I use GPT Realtime Mini?›
Through the OpenAI API.
When was GPT Realtime Mini released? Is there a newer version?›
Released 2025-10-06. It has been superseded by GPT Realtime 2.1 Mini.
Is GPT Realtime Mini open source?›
No, GPT Realtime Mini is a closed model available through an API. The closest open-weights option here is Ultravox Realtime.
What is GPT Realtime Mini?›
GPT Realtime Mini is a closed speech & voice model from OpenAI, released Oct 2025, the successor to GPT-4o Mini Realtime.
What are the best alternatives to GPT Realtime Mini?›
Ultravox Realtime (better).