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MODEL LIBRARY

OpenAIopenai / gpt-realtime-2.1

GPT-Realtime-2.1

Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior

Provider
OpenAI (openai)
Model identifier
gpt-realtime-2.1
Library category
Audio
Source update
2026-07-06
Release date
2026-07-06
Provider documentation
https://platform.openai.com/docs/models

Source pricing and conditions

Costs retain the source structure, tiers and conditions. These snapshot values are not Allgate API quotes. Cost currency and provider billing currency are separate fields; each defaults to USD when absent.

Cost currency: USD · Provider billing currency: USD. Input, output, reasoning, cache and audio token fields use the cost currency per million tokens. Explicit per-image, per-second and per-10,000-character fields retain their named units and resolution conditions.

Tier prices apply above the stated size. When tiers exist, source logic ignores the legacy context_over_200k field. Scheduled prices override stated fields within their window; omitted fields inherit base prices. Source pricing schema

cache_read
0.4
input
4
input_audio
32
output
24
output_audio
64

Model metadata

Original source field names and values are preserved. False, zero, empty objects and missing values remain distinct. Missing capabilities are not inferred from a name, category or related version.

attachment
true
canonical_model_id
openai/gpt-realtime-2.1
description
Realtime speech-to-speech model with configurable reasoning, tool use, and robust voice-agent behavior
family
gpt
id
gpt-realtime-2.1
knowledge
2024-09-30
last_updated
2026-07-06
limit
context
128000
input
96000
output
32000
modalities
input
  1. text
  2. audio
  3. image
output
  1. text
  2. audio
name
GPT-Realtime-2.1
open_weights
false
reasoning
true
reasoning_options
  1. type
    effort
    values
    1. minimal
    2. low
    3. medium
    4. high
    5. xhigh
release_date
2026-07-06
structured_output
false
temperature
false
tool_call
true
type
realtime

Provider reference

Provider documentation and billing metadata belong to the listed source provider. They do not describe Allgate routing or account configuration.

id
openai
name
OpenAI
doc
https://platform.openai.com/docs/models
billing
cacheWrite12h
2.5

About this reference

This library reproduces the public llm-metadata snapshot: 592 model entries from 50 providers. This community maintained source does not independently verify every provider claim. Model identifiers belong to their listed provider; matching names from different providers remain separate entries. llm-metadata

Reference metadata does not establish Allgate availability or prices. Check the live model catalogue for current service and rates. Missing fields remain unknown. Source update dates are not substituted for release dates; retrieval dates are not model update dates. View live catalogue

Source: llm-metadata · Apache-2.0 · Retrieved · Source generated · Snapshot provenance