GPT-4o Mini Realtime by OpenAI is a lightweight speech-to-speech model for low-latency voice conversations, with tool use and voice activity detection.
Available on
Pricing from$0.60/ 1M input$2.40/ 1M output
Privacy
- ZDR
- Training
- No
- Region
- US
Run Hermes on GPT-4o Mini Realtime
by Nous ResearchPersonal agent
Hermes is an open agent from Nous Research, the team behind the Hermes family of open-weight models. It runs as a terminal agent for general assistant and tool-use workflows, designed in the open and built to be steerable and unopinionated rather than locked down. On Opper it runs on a single key across 700+ models with full observability and a choice of region.
Run
Hermesonin
HermesoninLaunch Hermes on GPT-4o Mini Realtime
Set up with agents
Paste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.
Where you can run it
GPT-4o Mini Realtime runs on the routes below. Route only to EU providers when your data has to stay in Europe.
| Provider | Region | Zero data retention | Training | Input | Output |
|---|---|---|---|---|---|
| OpenAI | US | No | $0.60 | $2.40 |
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