# o3-pro API prices

o3-pro (o-pro) — 200k context, 100k max output.
9 metered per-token offers from 9 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| Abacus | $20 | $40 | — | 200k |
| Poe | $18 | $72 | — | 200k |
| Eden AI | $20 | $80 | — | 200k |
| Helicone | $20 | $80 | — | 200k |
| Kilo Gateway | $20 | $80 | — | 200k |
| OpenAI | $20 | $80 | — | 200k |
| OpenRouter | $20 | $80 | — | 200k |
| Vercel AI Gateway | $20 | $80 | — | 200k |
| NanoGPT | $22 | $88 | $11 | 200k |

## Summary

- Cheapest input: $18 per 1M tokens (Poe)
- Cheapest output: $40 per 1M tokens (Abacus)
- First-party: $80 per 1M output tokens (OpenAI)
- Free offers: none
- Subscription plans (not per-token): none
- Released: 2025-06-10
- Inputs: image, pdf, text

## FAQ

### What is the cheapest o3-pro API?

As of Oct 4, 2026, Abacus has the lowest o3-pro output price at $40 per 1M tokens, and Poe has the lowest input price at $18 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

### How much does o3-pro cost on OpenAI?

OpenAI charges $20 per 1M input tokens and $80 per 1M output tokens for o3-pro.

### How many providers offer o3-pro?

9 providers list o3-pro on Sovyron; 9 of them sell it at a metered per-token price.

### Is o3-pro free?

No provider in the Sovyron catalog lists a free tier for o3-pro.

### What is the context window of o3-pro?

o3-pro supports a 200k-token context window and up to 100k output tokens.

HTML page: https://sovyron.com/models/o3-pro/
Full dataset: https://sovyron.com/data/catalog.json