GPT Audio Mini API Pricing
OpenAI · context window 128K · prices updated 2026-09-15
Where GPT Audio Mini sits on price
At $2.40 per million output tokens, GPT Audio Mini is a mid tier model — 1.2× the median output price of $2.08, which puts it cheaper than 46% and pricier than 54% of the models we track. It sits 32th cheapest of the 92 OpenAI models we track. Output costs 4.0× input, the usual spread — trim both, starting with the answer length.
What real workloads cost on GPT Audio Mini
These three workloads are the ones teams actually run on a mid-priced model — a $2.40/1M model is not bought for the same job as one ten times the price.
| Workload | Per request | Per month |
|---|---|---|
| Support chatbot — 500 conversations/day (5K in / 1.4K out) Conversation history re-sent each turn — the classic prompt-caching win. | $0.0064 | $95.40 |
| Document pipeline — 10K docs/day (3K in / 500 out) Batch-friendly: no user waiting, so a ~50% batch discount usually applies. | $0.003 | $900 |
| Small app — 1K requests/day (500 in / 150 out) The baseline most side projects actually run at. | $0.0007 | $19.80 |
Model your exact traffic in the API cost calculator — it preloads GPT Audio Mini with caching and batch options.
GPT Audio Mini price history
GPT Audio Mini's price has not moved since we began tracking it on Aug 2, 2026 — 44 days of stability in a market where 78 of the 334 models we track have repriced over the same period, including 9 of OpenAI's own 92 models.
Change-points from our daily price snapshots (tracking since Aug 2, 2026; intraday moves between snapshots are not captured).
GPT Audio Mini vs Nano Banana (Gemini 2.5 Flash Image)
The closest-priced alternative from another vendor is Nano Banana (Gemini 2.5 Flash Image) (Google) — 4% more expensive on output, with $0.3 less per million input tokens. When two models land this close on price, the decision is quality on your own workload, not the price sheet: run 50 real requests through both and compare.
See Nano Banana (Gemini 2.5 Flash Image) pricing →Cheaper alternatives
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Frequently asked questions
› How much does the GPT Audio Mini API cost?
GPT Audio Mini costs $0.6 per million input tokens and $2.40 per million output tokens and no discounted cached-input tier. That works out to roughly 416,667 output tokens per dollar.
› What does the support chatbot workload cost on GPT Audio Mini?
Support chatbot — 500 conversations/day (5K in / 1.4K out) costs about $0.0064 per request and $95.40 per month on GPT Audio Mini. Conversation history re-sent each turn — the classic prompt-caching win.
› What does it cost to fill GPT Audio Mini's 128K context window?
Sending 128K of input in a single request costs $0.0768 at $0.6 per million tokens — before any output. There is no cached-input tier on this model, so every repeat of that context is billed at full price. This is why large context windows are cheap to advertise and expensive to actually use.
› Is GPT Audio Mini worth the price?
GPT Audio Mini sits in the middle of the market (32 of 92 by price within OpenAI). The honest test is a routing experiment: send the same 200 real requests to this model and to a tier below, and compare failure rate against the price gap — most teams find a majority of traffic never needed the pricier model.