o3

A powerful reasoning model excelling at complex, multi-step tasks across math, science, coding, and visual reasoning; succeeded by GPT-5.

Model Details

Provider

OpenAI

Model Type

text

Context Window

200,000 tokens

Pricing

Input (1M)$2.00
Output (1M)$8.00

Capabilities

1. Advanced reasoning capability

  • Designed for multi-step thinking across text, code, and visual inputs.
  • Excels at math, science, logic puzzles, and complex analytical workflows.

2. Strong performance across domains

  • Highly capable in technical writing, data analysis, and structured problem-solving.
  • Useful for research, engineering tasks, and intricate instruction-following.

3. Visual reasoning support

  • Accepts image inputs, enabling tasks such as diagram analysis, chart interpretation, and visual logic assessments.

4. High output capacity

  • Up to 100,000 output tokens, supporting long-form content, technical breakdowns, and multi-part solutions.

5. Excellent instruction following

  • Produces detailed, step-by-step responses for tasks requiring precision and clarity.
  • Ideal for educational explanations, system design reasoning, and code walkthroughs.

6. Large 200K context window

  • Handles long documents, multi-file reasoning, or extended conversations with minimal loss of context.

7. Broad API support

  • Works with Chat Completions, Responses, Realtime, Assistants, Batch, Embeddings, Image Generation, and more.
  • Supports streaming and function calling for advanced workflows.

8. Positioned as a legacy reasoning model

  • Remains extremely capable but formally succeeded by GPT-5, which offers stronger reasoning and performance.

Turn your AI ideas into tools that are powered by o3

Appaca is a complete platform for building AI agents, automations, and customer-facing interfaces for o3 apps. No coding required.

Customer-facing Interface

Customer-facing Interface

Create and style user interfaces for your AI agents and tools easily according to your brand.

Multimodel LLMs

Multimodel LLMs

Create, manage, and deploy custom AI models for text, image, and audio - trained on your own knowledge base.

Agentic workflows and integrations

Agentic workflows and integrations

Create a workflow for your AI agents and tools to perform tasks and integrations with third-party services.

Trusted by incredible people at

AntlerNurtureEduBuddyAgentus AIAona AI
AntlerNurtureEduBuddyAgentus AIAona AI
AntlerNurtureEduBuddyAgentus AIAona AI
AntlerNurtureEduBuddyAgentus AIAona AI

All you need to launch and sell your o3 powered AI tools

Appaca provides out-of-the-box solutions your AI apps need.

Monetize your AI

Sell your AI agents and tools as a complete product with subscription and AI credits billing. Generate revenue for your busienss.

Monetize your AI
Edubuddy

“I've built with various AI tools and have found Appaca to be the most efficient and user-friendly solution.”

Chey

Cheyanne Carter

Founder & CEO, Edubuddy

Frequently Asked Questions

We are here to help!

What is Appaca?
Appaca is a no-code platform for creating end-user AI agents and tools that you can monetize. It allows you to deliver AI solutions to your customers faster without requiring developer help.
What are AI Credits?
AI credits are the currency to bill AI usage. Appaca uses that AI credit for the usage of different large language models (LLMs). You can use any LLM from different providers. For the cost of AI credit for different AI models, please see our pricing page.
Can I make money with the app I built on Appaca?
Yes, you can monetize your AI app easily. All you need to do is to enable monetization in your app with one click. You will be prompted to set up Stripe account easily. Once you have enabled your monetization, you can create subscription plans for your app. For the usage of AI, our AI credit system allows you to bill your customers. You can simply set how much credit you want to charge for your customers. It all comes out of the box.
Can I get more credits?
Absolutely. You can top up AI credits as much as you want if your credits are low.
Can I connect my custom domain to my app?
Yes, you can use your own custom domain name as long as you are on any paid plan.
Are there integrations?
Yes. You can integrate with other third-party tools via API or Webhook in your action workflows builder. We are frequently shipping native integration as well.
How do I use o3 for Appaca app?
You can select o3 when you are creating a custom AI model. If you could not find the right model, you can always contact our support team to get help.
Does it cost to use o3 for Appaca app?
Yes, it cost AI credits to use o3 for Appaca app. We do not charge for model specifically. We charge based on the type of AI model, for example: text, image, voice, etc. For the cost of AI credit for different AI models, please see our pricing page.
Do I need an API key to use o3 on Appaca?
No, you don't need an API key to use o3 on Appaca. Appaca provides an easy, one-click solution for you to use o3 for your app.