OpenAISlowUltra

OpenAI o1

OpenAI's most advanced reasoning model. Uses extended thinking time to solve complex problems in science, coding, and math with exceptional accuracy.

15 credits

per 1K tokens (avg)

Advanced chain-of-thought reasoning

200K context window

100K max output tokens

Vision capabilities

Function calling support

Excels at complex problems

Model Specifications

Context Window

200K

tokens

Max Output

100K

tokens

Training Cutoff

2023-10

Compatible SDK

OpenAI

Capabilities

Vision

Function Calling

Streaming

JSON Mode

System Prompt

Token Pricing (per 1M tokens)

Token Type	Credits	USD Equivalent
Input Tokens	15,000	$15.00
Output Tokens	60,000	$60.00
Cached Tokens	7,500	$7.50

* 1 credit ≈ $0.001 (actual charges may vary based on usage)

Quick Start

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
  "model": "o1",
  "input": {
    "model": "o1",
    "messages": [
      {
        "role": "user",
        "content": "Prove that there are infinitely many prime numbers using a proof by contradiction."
      }
    ],
    "reasoning_effort": "high"
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`messages`	array	Yes	-	Array of message objects
`max_completion_tokens`	integer	No	-	Maximum tokens for completion (includes reasoning tokens)
`reasoning_effort`	string	No	medium	Reasoning effort level: low, medium, high lowmediumhigh

Examples

Complex Math

Solve advanced math problems

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
  "model": "o1",
  "input": {
    "model": "o1",
    "messages": [
      {
        "role": "user",
        "content": "Prove that there are infinitely many prime numbers using a proof by contradiction."
      }
    ],
    "reasoning_effort": "high"
  }
}'

Algorithm Design

Design optimal algorithms

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
  "model": "o1",
  "input": {
    "model": "o1",
    "messages": [
      {
        "role": "user",
        "content": "Design an efficient algorithm to find the longest increasing subsequence in an array. Explain the time complexity and provide Python code."
      }
    ],
    "max_completion_tokens": 4000
  }
}'