GPT Audio 1.5 is OpenAI'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 audio input and output for conversational and voice-interface applications.
Specifications
Canonical IDopenai-gpt-audio-1-5
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window128K tokens
Max Output16K tokens
Input ModalitiesAudioText
Output ModalitiesAudioText
Knowledge Cutoff · 2 years ago
Deprecation Date

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

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Audio In
$ / 1M
Audio Out
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
azure/gpt-audio-1.5
$2.50$10.00$32.00$64.00
OpenAI logo
OpenAI
gpt-audio-1.5
$2.50$10.00$32.00$64.00

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT Audio 1.5—128K$2.50$10.00Current
GPT Audio128K$2.50$10.00Deprecating
GPT Audio Mini128K$0.600$2.40Deprecated
GPT Realtime 2 Image————Available
GPT Realtime 2 Text————Available

Model IDs

azure/gpt-audio-1.5
azure/gpt-audio-1.5-2026-02-23
gpt-audio-1.5
openai-gpt-audio-1-5