MODELS / OPENAI

o3 Pro

The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently better answers.

TEXTREASONINGREASONINGVISIONFILE-INPUTTOOL-USEWEB-SEARCH
200K
CONTEXT WINDOW
100K
MAX OUTPUT TOKENS
$20
INPUT PRICE / 1M TOKENS
$80
OUTPUT PRICE / 1M TOKENS
QUICKSTART

Call it in one request.

OpenAI-compatible: change the base URL, and the setup is complete.

curl https://enterprise.blackbox.ai/v1/chat/completions \
  -H "Authorization: Bearer $BLACKBOX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "blackboxai/openai/o3-pro",
    "messages": [{ "role": "user", "content": "Hello!" }],
    "stream": true
  }'
SPECIFICATIONS

The full spec sheet.

Context, pricing, modalities, routing, and deployment: everything o3 Pro supports, in one table.

MODEL ID
blackboxai/openai/o3-pro
DEVELOPED BY
OpenAI
MODEL TYPE
Text
RELEASED
Jun 10, 2025
CONTEXT WINDOW
200K
MAX OUTPUT TOKENS
100K
INPUT MODALITIES
text, image, pdf
OUTPUT MODALITIES
text
INPUT PRICE
$20 / 1M tokens
OUTPUT PRICE
$80 / 1M tokens
REASONING
Supported
DATA RETENTION
Standard retention
DEDICATED DEPLOYMENT
Not available (closed-weight model)
SUPPORTED PARAMETERS
max_tokenstemperaturestoptoolstool_choicereasoninginclude_reasoning