o1 is OpenAI's original reasoning model, the first to demonstrate chain-of-thought capabilities at scale. While newer models like o3 have surpassed it, o1 remains a solid choice for reasoning tasks at a lower cost point.
Key Features
Pioneer chain-of-thought reasoning model
Strong analytical capabilities
Proven reliability across diverse reasoning tasks
128K token context window
Ideal Use Cases
Mathematical problem solving
Logical analysis and deduction
Coding challenges requiring reasoning
Educational step-by-step explanations
Example Prompts for o1
Technical Specifications
| Context Window | 128K tokens |
| Modality | Text → Text |
| Provider | OpenAI |
| Category | Reasoning |
| Max Output | 32K tokens |
| Status | Production stable |
API Usage
1 curl -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/o1", 6 "messages": [ 7 { "role": "user", "content": "Hello, o1!" } 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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