Model
GPT-Realtime-2.1
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
2 providers · 2 listingsreleased knowledge cutoff 2024-09-30closed weights
$4
lowest input /M · Vercel AI Gateway
$24
lowest output /M · Vercel AI Gateway
128K
context window
32K
max output
Compare providers (sorted by listed input price)
Best price history
Daily lowest published price across live providers. A lower line is better for the buyer.
- Best input /M
- $4unchanged
- Best output /M
- $24unchanged
- Provider coverage
- 2
- 2 at the start · 24 snapshots
Published best prices are unchanged.
24 daily snapshots collected from Aug 21, 2026 through Sep 14, 2026. A price chart will appear after the first real move.
Price badge
https://www.vaanalytics.in/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.