Legacy pro-tier reasoning model. Uses more compute than o1 for the most reliable answers on hard problems. Predecessor to o3-pro, which offers better value.
Test this model instantly in the Console Playground โ no code required
Copy usage instructions for Claude, ChatGPT, or other AI
| Token Type | Credits | USD Equivalent |
|---|---|---|
| Input Tokens | 278,700 | $185.80 |
| Output Tokens | 1,114,800 | $743.20 |
* 1,500 credits โ $1 (actual charges may vary based on usage)
curl -X POST "https://api.core.today/llm/openai/v1/chat/completions" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer cdt_your_api_key" \
-d '{
"model": "o1-pro",
"messages": [
{
"role": "user",
"content": "Prove or disprove: every planar graph is 4-colorable. Outline the structure of the argument step by step."
}
],
"max_completion_tokens": 8000
}'| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
messages | array | Yes | - | Array of message objects |
model | string | Yes | o1-pro | Model identifier |
max_completion_tokens | integer | No | - | Maximum tokens for completion (includes reasoning tokens) |
reasoning_effort | string | No | - | Reasoning effort level: low, medium, high lowmediumhigh |
High-reliability reasoning with o1 Pro
curl -X POST "https://api.core.today/llm/openai/v1/chat/completions" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer cdt_your_api_key" \
-d '{
"model": "o1-pro",
"messages": [
{
"role": "user",
"content": "Prove or disprove: every planar graph is 4-colorable. Outline the structure of the argument step by step."
}
],
"max_completion_tokens": 8000
}'POST /llm/openai/v1/chat/completions