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OpenAI: OpenAI o3-pro (2025-06-10)

o3-pro-2025-06-10

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OpenAI o3-pro (2025-06-10) costs $28.60 per million input tokens and $114.40 per million output tokens, supports 200K context, and is available through the OpenAI-compatible API.

The pro version of the already fantastic o3.

Modalities

Text → Text

Input / output price

$28.60 / $114.40 per 1M

Context

200K · max output 100K

Capabilities

ReasoningTool calling

Pricing

Billed per token actually used and deducted from your credits.

ItemUSD per 1M tokens
Input$28.60
Output$114.40
Cached input$14.30

Calculator

Drag the sliders to estimate what this model will cost.

Per request
$0.1773
Per day
$88.66
Per month (30 days)
$2659.80

OpenAI o3-pro (2025-06-10): input $28.6/M · output $114.4/M · cached input $14.3/M

Request with these settings
curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "o3-pro-2025-06-10", "max_tokens": 800,
       "messages": [{"role": "user", "content": "…"}]}'

Code samples

OpenAI-compatible. Set the base URL to https://api.geniusrelaygpt.com/v1 and the model to o3-pro-2025-06-10.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "o3-pro-2025-06-10",
    "stream": true,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Use it in a client: Cursor · Cline · SillyTavern · Codex

Parameters

Common OpenAI parameters can be passed as-is.

temperaturetop_pmax_tokensstreamstoppresence_penaltyfrequency_penaltyseed

FAQ

How is OpenAI o3-pro (2025-06-10) billed?
Input is $28.60 and output is $114.40 per million tokens; cached input is $14.30. The charge for every request is listed in Usage Logs in the console.
How long is the context window?
200K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.
Does it support streaming?
Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.
OpenAI o3-pro (2025-06-10) API pricing · GeniusRelay