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GPT Audio 1.5


GPT Audio 1.5 is OpenAI logoOpenAI's language model with a 128K context window and up to 16K output tokens, available from 2 providers, starting at $2.50 / 1M input and $10.00 / 1M output. A versioned release of OpenAI's GPT Audio model supporting native audio input and output for conversational and voice-enabled applications via the Chat Completions API.
Spec
Canonical IDopenai-gpt-audio-1-5
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window128K tokens
Max Output16K tokens
Input ModalitiesAudioText
Output ModalitiesAudioText
Knowledge Cutoff

Capabilities

Input2/5
Text
Image·
Audio
Video·
PDF·
Output2/5
Text
Image·
Audio
Video·
Embedding·
Capabilities2/13
Reasoning·
Adaptive Reasoning·
Function Calling
Parallel Function Calling
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

ProviderStandard
Input
$ / 1M
Output
$ / 1M
Audio In
$ / 1M
Audio Out
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
gpt-audio-1.5-2026-02-23
$2.50$10.00$40.00$10.00
OpenAI logo
OpenAI
gpt-audio-1.5
$2.50$10.00$32.00$64.00

Regional pricing

Provider-specific pricing that varies by region.
Azure AI Foundry logo
Azure AI Foundry
13 regions
RegionStandard
Input
$ / 1M
Output
$ / 1M
Audio In
$ / 1M
Audio Out
$ / 1M
Global
Global$2.50$10.00$40.00$10.00
Europe
France Central (Paris)/ francecentral$2.75$11.00
Germany West Central (Frankfurt)/ germanywestcentral$44.00$11.00
Poland Central (Warsaw)/ polandcentral$2.75$88.00
Spain Central (Madrid)/ spaincentral$44.00$11.00
Sweden Central (Gävle)/ swedencentral$44.00$88.00
West Europe (Netherlands)/ westeurope$44.00$11.00
US
East US (Virginia)/ eastus$2.75$11.00
East US 2 (Virginia)/ eastus2$44.00$11.00
North Central US (Illinois)/ northcentralus$44.00$88.00
South Central US (Texas)/ southcentralus$44.00$11.00
West US (California)/ westus$2.75$11.00
West US 3 (Phoenix)/ westus3$44.00$88.00

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT Audio 1.5128K$2.50$10.00Current
GPT Audio Mini128K$0.600$2.40Available
GPT Audio128K$2.50$10.00Available

Model IDs