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OpenAI

o3

✓ Official API· served byOpenAI APIOpenAI

o3 is a well-rounded and powerful model across domains, and it sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following. Use it to think through multi-step problems across text, code, and images. o3 is succeeded by GPT-5.

The real OpenAI model

Same weights, same API, same answers. We change only how you pay for it: one key for every maker, one bill, no separate account to open. Every figure on this page comes from OpenAI’s own page — check it.

Maker's own page

Price

input / output · per 1M tokens

OpenAI APIOpenAI

Official price

$2.00 / $8.00
More pricing details: speeds
SpeedOpenAI
Flex · slower$1.00 / $4.00
Priority · faster$3.50 / $14.00

Context

200,000

up to 100,000 out

100,000 by default here

Modalities

ToolsReasoning

Released

Apr 16, 2025

Knows up to Jun 1, 2024

What it would cost you

1000 tokens is roughly 750 English words.

Estimated total$8.00

How it is served

Standard

Requests are retried automatically if a provider is unavailable.

Similar models

Models built for the same kind of work, at a similar price.

We do not mark up the price of tokens. It is the same price the maker charges.

Use it from your code

Model:openai/o3
main.py
OpenAI Specification v1.0
from openai import OpenAI

# Works with the official openai package (pip install openai)
client = OpenAI(
    base_url="https://api.flintbeam.com/v1",
    api_key="sk-live-your-api-key"
)

response = client.chat.completions.create(
    model="openai/o3",
    messages=[
        {"role": "system", "content": "You are an experienced software engineer."},
        {"role": "user", "content": "Describe the architecture of a distributed cache."}
    ],
    temperature=0.7,
    max_tokens=1500
)

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