Count tokens for gpt-audio and estimate API cost before you send a request. OpenAI does not publish this tokenizer, so counts are calibrated estimates for planning.Your text never leaves the browser.
Context window. 128,000 tokens (about 96,000 English words).
API pricing. $2.50 input / $10.00 output per 1M tokens.
Tokenizer. Not public; counts on this page are calibrated estimates.
Pricing source. The community-maintained LiteLLM pricing dataset, refreshed 2026-08-11. Community-tracked rates can lag provider changes; confirm with the provider before budgeting.
Paste your prompt into the counter on this page. OpenAI does not publish the gpt-audio tokenizer, so the count is a calibrated estimate based on text length, language, and structure. Treat it as planning guidance rather than an exact billing number.
How much does gpt-audio cost per token?
gpt-audio costs $2.50 per 1 million input tokens and $10.00 per 1 million output tokens, based on the community-maintained LiteLLM pricing dataset checked 2026-08-11.
What is the context window of gpt-audio?
gpt-audio has a context window of 128,000 tokens, which is roughly 96,000 English words of combined prompt and response. The counter above shows how much of that window your text consumes.
Is this gpt-audio token count exact?
No. It is a clearly labeled estimate, because OpenAI has not released a public tokenizer for gpt-audio. Estimates are usually within a reasonable range for English text but can drift for code, JSON, or non-English languages.