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Vincony
OP
OpenAI
Reasoning

o3-pro

openai/o3-pro

4 credits / request
Compare with…Added 2026

o3-pro is OpenAI's professional reasoning model with extended thinking time for the most demanding analytical problems. It applies maximum compute to reasoning, delivering the highest accuracy on complex math, science, and strategy problems.

Key Features

Maximum reasoning depth for hardest problems

Extended thinking time per request

Highest accuracy on complex benchmarks

200K token context window

Professional-grade analytical output

Ideal Use Cases

1.

Research-grade mathematical proofs

2.

Complex scientific analysis

3.

Strategic decision modeling

4.

Competition-level problem solving

Example Prompts for o3-pro

Technical Specifications

Context Window200K tokens
ModalityText, Image → Text
ProviderOpenAI
CategoryReasoning
Thinking BudgetExtended
Max Output100K tokens

API Usage

1curl -X POST https://api.vincony.com/v1/chat/completions \
2 -H "Authorization: Bearer YOUR_API_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "openai/o3-pro",
6 "messages": [
7 { "role": "user", "content": "Hello, o3-pro!" }
8 ]
9 }'

Replace YOUR_API_KEY with your Vincony API key. OpenAI-compatible endpoint — works with any OpenAI SDK.

Frequently Asked Questions

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o3-pro by OpenAI — Reasoning Model | Vincony