Side-by-side comparison

Pick up to 4 models. Differences are what matter for picking.

Models
Spec
OpenAI
GPT Realtime mini
Verified 2026-05-08
DescriptionSmaller, cheaper Realtime voice model for high-volume voice agents.
Released2025-12-09
Knowledge cutoff2024-09
Context window32K
Max output
Input $/1M$0.600
Output $/1M$2.40
Speed tierUltra Fast
Reasoning2/5
Coding2/5
Multilingual5/5
Modalities in
Text
Audio In
Modalities out
Text
Audio Out
Tool useYes
JSON modeYes
Open weightsNo
Best use cases
Voice
Chat
Best personas
Startup
Consumer
Developer Tools
Weak at
  • · nuanced reasoning
  • · long context
Compliance
HIPAA-eligibleSOC 2GDPRISO 27001FedRAMP
Data policy
Sources
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