# o1-2024-12-17 — API, pricing & specs via nRouter > o1-2024-12-17 is available through nRouter, the managed LLM gateway: one OpenAI-compatible API key, 0% token markup (exact provider list pricing), 0% platform fee, built-in guardrails, and per-request cost tracking. ## What it is December 17, 2024 checkpoint of OpenAI o1 with a 200K token context window and 100K output ceiling, ranking 146th on LM Arena text benchmark. Source: https://platform.openai.com/docs/models/o1.md ## Facts - Maker: OpenAI - Released: 2024-12-17 - Served on: OpenAI ## nRouter list pricing (exact provider rates, 0% markup) - Input: $15 per 1M tokens - Output: $60 per 1M tokens Settled at the exact provider list price above. nRouter adds no per-token markup and charges a 0% platform fee (see https://nrouter.ai/pricing). ## Use it ```python from openai import OpenAI client = OpenAI( base_url="https://api.nrouter.ai/v1", api_key="sk-nrouter-YOUR_KEY", # create one at https://nrouter.ai/signup ) response = client.chat.completions.create( model="openai/o1-2024-12-17", messages=[{"role": "user", "content": "Hello"}], ) ``` Model page: https://nrouter.ai/models/o1-2024-12-17 Full nRouter index for AI engines: https://nrouter.ai/llms.txt Docs: https://nrouter.ai/docs