OpenAI / openai/o3

o3 - access through LLMTR

Well suited to multi-step work across math, science, technical writing, and code analysis. A strong choice when you need deeper analysis and robust reasoning.

Technical specifications

Canonical ID	`openai/o3`
Provider	OpenAI
Context window	200,000 tokens
Operations	CHAT_COMPLETIONS
Modalities	text, image

Pricing

A 6% platform margin applies to credit top-ups; model usage prices are not separately marked up.

Operation	Metric	Unit	Price
CHAT_COMPLETIONS	INPUT_TEXT	PER_1M_TOKENS	$2.00
CHAT_COMPLETIONS	OUTPUT_TEXT	PER_1M_TOKENS	$8.00

Example usage

With existing OpenAI SDK flows, change only the base URL and model identifier.

curl https://llmtr.com/v1/chat/completions \
  -H "Authorization: Bearer llmtr-your_key" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/o3","messages":[{"role":"user","content":"Hello"}]}'

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