Skip to content
  12.  
    13. © 2023 – 2025 OpenRouter, Inc

    OpenAI: GPT-4.1 Nano

    openai/gpt-4.1-nano

    Created Apr 14, 20251,047,576 context
    $0.10/M input tokens$0.40/M output tokens$10/K web search

    For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million token context window, and scores 80.1% on MMLU, 50.3% on GPQA, and 9.8% on Aider polyglot coding – even higher than GPT‑4o mini. It’s ideal for tasks like classification or autocompletion.

    Providers for GPT-4.1 Nano

    OpenRouter routes requests to the best providers that are able to handle your prompt size and parameters, with fallbacks to maximize uptime.

    Performance for GPT-4.1 Nano

    Compare different providers across OpenRouter

    Apps using GPT-4.1 Nano

    Top public apps this week using this model

    Recent activity on GPT-4.1 Nano

    Total usage per day on OpenRouter

    Uptime stats for GPT-4.1 Nano

    Uptime stats for GPT-4.1 Nano across all providers

    Sample code and API for GPT-4.1 Nano

    OpenRouter normalizes requests and responses across providers for you.

    OpenRouter provides an OpenAI-compatible completion API to 400+ models & providers that you can call directly, or using the OpenAI SDK. Additionally, some third-party SDKs are available.

    In the examples below, the OpenRouter-specific headers are optional. Setting them allows your app to appear on the OpenRouter leaderboards.

    Using third-party SDKs

    For information about using third-party SDKs and frameworks with OpenRouter, please see our frameworks documentation.

    See the Request docs for all possible fields, and Parameters for explanations of specific sampling parameters.