GPT-5.3 Chat vs GPT Audio
GPT Audio is cheaper on output tokens. Choose GPT-5.3 Chat or GPT Audio based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.3 Chat | GPT Audio |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input / 1M tokens | $1.75 | $2.50 |
| Output / 1M tokens | $14.00 | $10.00 |
| Context window | 128K | 128K |
| Parameters | — | — |
| Open weights | — | — |
| Released | — | — |
| LMArena (Chatbot Arena) Elo score | 1389 | — |
FAQ
Is GPT-5.3 Chat or GPT Audio cheaper?
GPT Audio is cheaper on output tokens ($10.00 vs $14.00 per 1M).
Which has the larger context window, GPT-5.3 Chat or GPT Audio?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.