Highest-effort version of o3. Thinks longer with more compute to deliver the most reliable answers on the hardest science, math, and coding problems.
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 | 37,160 | $24.77 |
| Output Tokens | 148,640 | $99.09 |
* 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": "o3-pro",
"messages": [
{
"role": "user",
"content": "Verify whether this cryptographic key-exchange protocol is vulnerable to man-in-the-middle attacks. Enumerate every assumption and attack vector."
}
],
"max_completion_tokens": 16000
}'| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
messages | array | Yes | - | Array of message objects |
model | string | Yes | o3-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 |
Most reliable reasoning with o3 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": "o3-pro",
"messages": [
{
"role": "user",
"content": "Verify whether this cryptographic key-exchange protocol is vulnerable to man-in-the-middle attacks. Enumerate every assumption and attack vector."
}
],
"max_completion_tokens": 16000
}'POST /llm/openai/v1/chat/completions