OpenAI o3

o3 API at 45% off

OpenAI's reasoning model for deeper analysis, hard coding tasks, and agent backends. Use o3 through Crazyrouter when reasoning-first behavior matters more than mainstream chat defaults.

From $1.10 / 1M input
200K context
Text, image
Accessible but currently noindex

Why this page exists

o3 searches usually center on reasoning quality versus flagship chat pricing.

  • Last reviewed: 2026-03-12
  • Review cadence: monthly
  • Owner: growth
  • Indexing status: noindex

o3 pricing comparison

Compare the current Crazyrouter token price with the direct provider list price used for this landing page.

OpenAI Direct

Input per 1M tokens$2.00
Output per 1M tokens$8.00
BillingPay as you go
Save 45%

Crazyrouter

Input per 1M tokens$1.10
Output per 1M tokens$4.40
BillingOne key for 600+ models

o3 at a glance

Use these details to decide whether this model fits the job before you wire it into production.

Context window
200K
Max output
100K
Modality
Text, image
Latency profile
Medium

Best-fit use cases

These are the production situations where this model is most likely to earn its keep.

Advanced reasoning

This is a strong fit when the workflow consistently looks like this.

Hard debugging

This is a strong fit when the workflow consistently looks like this.

Tool-using agents

This is a strong fit when the workflow consistently looks like this.

When not to choose o3

High-quality landing pages should help visitors disqualify the wrong model, not just push every option.

Simple routine chat

This is usually a sign that another model deserves a closer look first.

Lowest-cost high-volume use cases

This is usually a sign that another model deserves a closer look first.

Why teams use Crazyrouter here

The gateway matters when you want commercial flexibility, not just lower price.

Unified gateway

This matters when the business wants optionality and easier operations.

Cross-model routing

This matters when the business wants optionality and easier operations.

Pay-as-you-go access

This matters when the business wants optionality and easier operations.

How to think about o3

These notes help turn a pricing page into a real decision page.

Choose o3 when you specifically want reasoning-first behavior.

Comparison note

Choose GPT-5 when you want a flagship chat default with premium reasoning.

Comparison note

Choose o4-mini for cheaper reasoning-heavy routing.

Comparison note

Start in 30 seconds

Use the OpenAI SDK style and swap only the base URL plus the model name.

from openai import OpenAI

client = OpenAI(
    base_url="https://crazyrouter.com/v1",
    api_key="your-crazyrouter-key"
)

response = client.chat.completions.create(
    model="o3",
    messages=[{"role": "user", "content": "Debug this failure report and propose the most likely root cause with a ranked action plan."}]
)

print(response.choices[0].message.content)
curl https://crazyrouter.com/v1/chat/completions   -H "Authorization: Bearer your-crazyrouter-key"   -H "Content-Type: application/json"   -d '{
    "model": "o3",
    "messages": [{"role": "user", "content": "Debug this failure report and propose the most likely root cause with a ranked action plan."}]
  }'
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://crazyrouter.com/v1",
  apiKey: "your-crazyrouter-key",
});

const response = await client.chat.completions.create({
  model: "o3",
  messages: [{ role: "user", content: "Debug this failure report and propose the most likely root cause with a ranked action plan." }],
});

console.log(response.choices[0].message.content);

Frequently asked questions

How much does o3 cost on Crazyrouter?

o3 costs $1.10 per 1M input tokens and $4.40 per 1M output tokens on Crazyrouter based on the latest pricing sync.

Is o3 available through an OpenAI-compatible API?

Yes. o3 can be accessed through Crazyrouter with the same general OpenAI-compatible request flow used across the platform.

What is o3 best for?

o3 is best suited to advanced reasoning, hard debugging, and tool-using agents.

When should this page stay out of search results?

This page is currently marked noindex because it is useful for navigation and campaign traffic, but it is not yet one of the small set of landing pages prioritized for long-term organic indexation.

Explore related models

Compare adjacent options for quality, latency, and price without rebuilding your API stack.

Ready to use o3 through Crazyrouter?

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