GPT-4.1 Nano

openai/gpt-4.1-nano

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...

InputFileImageText
OutputText
Input / Outputclub$0.106 / $0.424per 1M tokens · USD
Context window1Mtoken
Maximum output32.8Ktoken

Pricing

Current model usage rates. Choose your plan to see its published prices.

Pricing
UsagePricing
InputUS$0.106/ 1M token
Cache readUS$0.0265/ 1M token
OutputUS$0.424/ 1M token

Membership and model usage are billed separately. Compare plans

Capabilities

Input
FileImageText
Output
Text
Context window
1,047,576 token
Maximum output
32,768 token

Providers

Model supply available through Vecbase.

Via OpenRouter

Access is subject to your account’s permissions and model availability.

Frequently asked questions

What is GPT-4.1 Nano, and who develops it?

GPT-4.1 Nano is a model from OpenAI. Its model ID on Vecbase is openai/gpt-4.1-nano. 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...

How much does GPT-4.1 Nano cost on Vecbase?

For GPT-4.1 Nano, the Club plan lists USD 0.106 per 1 million input tokens and USD 0.424 per 1 million output tokens, as of 10/22/2026, 9:29:04 PM UTC. See the pricing table for cache rates, input-length tiers and other usage types. Membership fees are separate.

How many tokens fit in GPT-4.1 Nano’s context window?

GPT-4.1 Nano has a context window of 1,047,576 tokens. Input and output must fit within the limits of the API you use.

What is the maximum output length for GPT-4.1 Nano?

GPT-4.1 Nano can generate up to 32,768 tokens per response. Your API or request settings may set a lower limit.

Can GPT-4.1 Nano call tools in an agent workflow?

Yes. GPT-4.1 Nano supports tool calling. Your application provides the tool definitions and runs the tools the model requests.

Does GPT-4.1 Nano support structured outputs?

Yes. GPT-4.1 Nano supports structured output. Set the required format in your API request and check the returned data before using it.

Which input and output formats does GPT-4.1 Nano support?

GPT-4.1 Nano accepts File, Image, and Text and produces Text.

Which providers make GPT-4.1 Nano available through Vecbase?

Vecbase offers GPT-4.1 Nano through OpenRouter. Availability may vary by provider.

Which model ID should an agent use to request GPT-4.1 Nano?

Use openai/gpt-4.1-nano as the model identifier for GPT-4.1 Nano. See Vecbase’s API documentation for authentication, required inputs and supported request formats.

What does an agent need to access GPT-4.1 Nano through Vecbase?

To use GPT-4.1 Nano, you need an authenticated account with the required permissions, sufficient balance and the relevant capability enabled. See the documentation for setup.

Is a release date available for GPT-4.1 Nano?

We do not yet have a confirmed release date for GPT-4.1 Nano.

Which models can I compare with GPT-4.1 Nano on Vecbase?

You can compare GPT-4.1 Nano with GPT Mini Latest (openai/gpt-mini-latest), GPT-5.5 (openai/gpt-5.5), and GPT-5.6 Luna (openai/gpt-5.6-luna). Check their capabilities and prices to find the best fit for your task.