How much does o3 cost?

o3 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens. Prices are sourced from official OpenAI documentation.

Is o3 available via API?

Yes. o3 is available via the ChatGPT API. Tickerr monitors its uptime and latency every 5 minutes.

Operational· provider status page

Input

$2.00

Output

$8.00

Cached input

$0.50

Batch input

—

Effective from Apr 25, 2026. Source: official provider documentation.

Date	Input /1M	Output /1M
Apr 25, 2026current	$2.00	$8.00
Apr 5, 2026	$10.00	$40.00

Estimated monthly cost · 70% input / 30% output split

cheapestWhisper (audio)$0.0042

GPT-4o Mini$0.285

GPT-4.1 mini$0.760

o3$3.80

GPT-4.1$3.80