opendunes

o3 Pro

by OpenAIReleased 10 June 2025

o3-pro reads text and pictures and writes text, keeping about 200 pages in mind at once and writing up to 100 pages in one answer. It is o3 given more computing power to think, aimed at difficult problems where consistently better answers are worth the extra time and spend. Use plain o3 for ordinary multi-step reasoning, and o1-pro for the extra-effort version of o1.

TakesTextImagesFiles
GivesText

What it costs

You pay for what each request uses. No subscription, no minimum.

≈ 19,97 DA per message3 000 DA buys about 150 messages

One message, the ordinary use

1 000 tokens sent× 6 656,71 DA per 1M6,66 DA
500 tokens back× 26 626,85 DA per 1M13,31 DA
Total≈ 19,97 DA

Every rate

Meter↑ you send↓ comes back
Text tokens6 656,71 DA26 626,85 DA

per 1M tokens

Web search · 3,33 DA per call

Answer a quick question≈ 7,66 DA
Explain a stack trace and suggest a fix≈ 25,96 DA
Solve a maths problem step by step≈ 41,94 DA
Review a 300-line pull request≈ 50,59 DA
Summarise a 20-page report≈ 103,84 DA
When you pay
After the answer, from your balance. Nothing is held.
Why it varies
A longer question or a longer answer costs more.
After each one
The exact charge shows on the request.
DepositDeposits from 50 DA, with Edahabia or CIB.

Where your request runs

One company runs this model. OpenDunes sends every request to it. DA per 1M tokens: ↑ what you send · ↓ what comes back.

OpenAI…
↑ Sent, per 1M
6 656,71 DA
↓ Back, per 1M
26 626,85 DA
Latency
…
Throughput
…
Provider↑ Sent↓ BackLatencyThroughputUptime
OpenAI6 656,71 DA26 626,85 DA………

Also charged: a web search 3,33 DA each.

You pay the price of the provider that served your request. Prices read 15:19 · speed over the last 30 minutes · uptime over 3 days.

See it in action

Real requests, real replies. Try any of them yourself — one click, pre-filled.

Understands images
You send

What's the total on this invoice, and when is it due?

invoice-scan.jpg · photo
It replied

The total is 42 300,00 DA, due 5 September 2026. Worth a double-check: the handwritten day could read as 8 instead of 3.

Try in Chat Lab
Structured output
You send

Turn this customer email into JSON with intent, urgency and order_id.

customer-email.txt
It replied

{ "intent": "refund", "urgency": "high", "order_id": "OD-58421" }

Try in Chat Lab

Try your own request — same model, pre-selected.

Open Chat Lab

Call it in code

Swap the base URL and the key. Your OpenAI code runs unchanged.

POST /v1/chat/completions
Base URL
https://opendunes.com/v1
Model ID
openai/o3-pro
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://opendunes.com/v1",
    api_key=os.environ["OPENDUNES_API_KEY"],
)

resp = client.chat.completions.create(
    model="openai/o3-pro",
    messages=[{"role": "user", "content": "Two lines to welcome a shop in Oran."}],
)

print(resp.choices[0].message.content)

Runs this request once on your balance.

Parameters you can send

Standard OpenAI fields, grouped by what they control. Anything not listed is accepted and ignored.

Shaping the reply

How long, how varied, where to stop.

max_tokensseed

Reasoning

Let it think before answering — and see the thinking.

reasoninginclude_reasoning

Structured output

Get JSON you can parse instead of prose.

response_formatstructured_outputs

Tools

Let the model call your functions.

toolstool_choice

Questions about o3 Pro

  • How much does o3 Pro cost in dinars?

    About 19,97 DA per message. ↑ 6 656,71 DA · ↓ 26 626,85 DA per 1M tokens.

  • Is o3 Pro free? Can I try it?

    No. You pay per use from your balance, with no subscription. Try it in Chat at the same price.

  • What is o3 Pro best for?

    o3-pro reads text and pictures and writes text, keeping about 200 pages in mind at once and writing up to 100 pages in one answer. It is o3 given more computing power to think, aimed at difficult problems where consistently better answers are worth the extra time and spend. Use plain o3 for ordinary multi-step reasoning, and o1-pro for the extra-effort version of o1.

  • How do I pay for o3 Pro without an international card?

    Deposit dinars with your Edahabia or CIB card. Every model, o3 Pro included, is paid from that balance. No foreign card, no conversion.

  • Does o3 Pro work in Arabic, French or Darja?

    OpenAI names no languages for o3 Pro. Arabic, French and Darja: not stated.

  • Can it read PDFs, images or a whole book?

    It reads text, images and PDFs. Up to 200K tokens in one request, about 200 pages. It writes up to 75 000 words at once.

  • Is o3 Pro open source?

    No. OpenAI has not published its weights.

  • Who makes o3 Pro, and when was it released?

    OpenAI. Released 10 June 2025. It knows the world up to 30 June 2024.

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