OpenAI · LLM API pricing

gpt-audio API pricing: cheapest provider

2 providers sell gpt-audio. OpenAI is cheapest, and listed prices are close.

Cheapest$4.38per 1M · OpenAI
Input · output$2.50 / $10.00per 1M tokens
Price gap1.0×across 2 providers
Context128Kmax tokens

$4.38 OpenAIclose prices$4.38 Microsoft Azure AI Foundry

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Standard list prices in USD from each provider's pricing page · last price change Sep 28, 2026 · How we collect and rank prices

Ranked for your volume

gpt-audio monthly cost by provider

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Input tokens per month (millions)Prompts, context and documents you send.Output tokens per month (millions)Tokens the model generates.

More requirements: caching, context, features, provider

Cached share of input (%)0 = no caching. Only documented cache-read rates qualify.Required context per request (tokens)0 = any. Providers without a sufficient known limit are excluded.Required featureProvider requirement

Provider	Estimated / month	Input / 1M	Output / 1M	Context
1 Microsoft Azure AI FoundryCloud platform - lowest for your volumePricing page	$45.00	$2.50	$10.00	128,000
2 OpenAIModel developerPricing page	$45.00	$2.50	$10.00	128,000

Order depends on listed price for your volume only. No provider pays for its position.

Input volume includes the cached share, not an additional token volume. This is a list-price estimate, not a quote: cache-write charges, cache eligibility/TTL, batch discounts, long-context surcharges, regional pricing and taxes are excluded. Check the provider's terms for your workload before switching.

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| gpt-audio provider | Input / 1M tokens | Output / 1M tokens | 10M in + 2M out per month |
|---|---:|---:|---:|
| Microsoft Azure AI Foundry | $2.50 | $10.00 | $45.00 |
| OpenAI | $2.50 | $10.00 | $45.00 |

Standard list prices as of Nov 1, 2026. Source: [AISelect.online](https://aiselect.online/models/gpt-audio)

Price history

The cheapest price has not changed since tracking started on Sep 28, 2026: $4.38 per 1M tokens at OpenAI. All price changes

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