gpt-realtime-2.1 (gpt-realtime-2.1) is a speech model from openai with a 128K-token context window; proprietary (API-only); capabilities tools, vision, reasoning; input audio, image, text; output audio, text.
128KContext
32KMax output
$4$ / 1M in
Pricing
Input
$4 / 1M tokens
Output
$24 / 1M tokens
Currency
USD
Note
Indicative US list price — verify with the vendor.
Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-07-22.