Tuesday, July 7, 2026 · No. 345Prices synced 1 hour ago
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The AI Model Price Index

OpenAI: GPT-4o Audio

by Kilo Gateway · listed Aug 2025T

Speech generation model for controllable voice, narration, and audio delivery

Current rates USD per 1M tokens

Input$2.50
Output$10.00
Cache read—
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.14 per 1M tokens$0.14Qwen3.7 PlusQwen3.7 Plus: $0.50 per 1M tokens$0.50Grok 4.3Grok 4.3: $1.25 per 1M tokens$1.25Gemini 3.5 FlashGemini 3.5 Flash: $1.50 per 1M tokens$1.50Mistral Medium (latest)Mistral Medium (latest): $1.50 per 1M tokens$1.50Claude Sonnet 5Claude Sonnet 5: $2.00 per 1M tokens$2.00OpenAI: GPT-4o AudioOpenAI: GPT-4o Audio: $2.50 per 1M tokens$2.50GPT-5.5 ProGPT-5.5 Pro: $30.00 per 1M tokens$30.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 FlashDeepSeek V4 Flash: $0.28 per 1M tokens$0.28Grok 4.3Grok 4.3: $2.50 per 1M tokens$2.50Qwen3.7 PlusQwen3.7 Plus: $3.00 per 1M tokens$3.00Mistral Medium (latest)Mistral Medium (latest): $7.50 per 1M tokens$7.50Gemini 3.5 FlashGemini 3.5 Flash: $9.00 per 1M tokens$9.00OpenAI: GPT-4o AudioOpenAI: GPT-4o Audio: $10.00 per 1M tokens$10.00Claude Sonnet 5Claude Sonnet 5: $10.00 per 1M tokens$10.00GPT-5.5 ProGPT-5.5 Pro: $180 per 1M tokens$180

On the record

Model id
openai/gpt-4o-audio-preview
Context window
128K tokens
Max output
16K tokens
Input modalities
audio, text
Output modalities
audio, text
Reasoning
no
Tool calls
yes
Open weights
no
Knowledge cutoff
—
Released
2025-08-15
Last updated
2026-03-15
Provider docs
kilo.ai

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