GPT-Audio-1.5

proprietary

The gpt-audio model is our first generally available audio model. It accepts audio inputs and outputs, and can be used in the Chat Completions REST API.

Intelligence
Speed
Context
128K
Max output
16K
Input price
$2.5/1M tokens
Output price
$10/1M tokens

Capabilities

Reasoning & Interaction
Tool Calling
Infrastructure
Streaming

Details

Provider OpenAI
Creator openai
Familygpt-audio
Licenseproprietary
Statusactive
Typechat
Input modalitiestext, audio
Output modalitiestext, audio
Open weightNo
Parameters—
Architecture—
Context window128K tokens
Max input—
Max output16K tokens
Reasoning tokens—
Knowledge cutoff
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.openai.com/v1/chat/completions

Pricing

Audio tokensPer 1M tokens
InputCached inputOutput
Standard$32—$64
Text tokensPer 1M tokens
InputCached inputOutput
Standard$2.5—$10

Family Comparison: gpt-audio

ModelContextMax outPricing
GPT-Audio Mini128K16K$0.6$2.4
GPT-Audio-1.5128K16K$2.5$10
GPT-Audio128K16K$2.5$10

API

GET/v1/models/openai/gpt-audio-1.5

GPT-Audio-1.5

The gpt-audio model is our first generally available audio model. It accepts audio inputs and outputs, and can be used in the Chat Completions REST API.

Changes · 8 entries
gpt-audio-1.5updateca7a400Nov 2, 2026, 03:02 AM
namegpt-audio-1.5→GPT-Audio-1.5
descriptionThe gpt-audio model is our first generally available audi...→The gpt-audio model is our first generally available audi...
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Audio tokens","unit":"Per 1M tokens","columns"...
gpt-audio-1.5update118451aSep 24, 2026, 07:08 AM
descriptionThe gpt-audio model is our first generally available audi...→The gpt-audio model is our first generally available audi...
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...→[{"label":"Audio tokens","unit":"Per 1M tokens","columns"...
gpt-audio-1.5updatee3d7dedAug 31, 2026, 04:13 AM
namegpt-audio-1.5→GPT-Audio-1.5
gpt-audio-1.5updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesvisionnostructured outputnojson modenofine tuningnoreasoningno
gpt-audio-1.5update1cd659eMar 24, 2026, 04:19 AM
page_urlhttps://platform.openai.com/docs/models/gpt-audio-1.5→https://developers.openai.com/api/docs/models/gpt-audio-1.5
gpt-audio-1.5update2b100acMar 23, 2026, 05:30 AM
licenseproprietary
page_urlhttps://platform.openai.com/docs/models/gpt-audio-1.5
open_weightno
tools["function_calling"]
gpt-audio-1.5updateb50649fMar 21, 2026, 11:58 PM
pricingtiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
knowledge_cutoff2024-09
taglineThe best voice model for audio in, audio out with Chat Co...
capabilitiesstreamingyestool callyes
endpoints["chat_completions"]
snapshots["gpt-audio-1.5"]
gpt-audio-1.5create7f5c66fMar 21, 2026, 05:16 AM