Model
GPT-Realtime-2.1
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
2 providersreleased knowledge cutoff 2024-09-30closed weights
$4
best input /M · OpenAI
$24
best output /M
128K
context window
32K
max output
Compare providers (sorted by listed input price)
| Provider | Input /M | Output /M | Cache read /M | Cache write /M | Context | Capabilities | Status | Updated |
|---|---|---|---|---|---|---|---|---|
| OpenAI gpt-realtime-2.1 | $4 | $24 | $0.4 | — | 128K | reasoningtoolsno structuredvision | Jul 6, 2026 | |
| Vercel AI Gateway openai/gpt-realtime-2.1 | $4 | $24 | $0.4 | — | 128K | reasoningno toolsno structuredno vision | Jul 6, 2026 |
Price badge
https://models.sutraworks.ai/badge/openai/gpt-realtime-2.1.svgLive SVG, regenerated on every hourly sync — paste it into a README to always show the current cheapest listed price. Updates when prices change; no build step needed on your side.
Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.