LLM prices per 1M tokens

264 models · 161 price changes

GPT-4.1 Nano

OpenAI · 1.05M context · released Apr 14, 2025 · checked 13h ago

For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series.

Ways to buy 3

Way to buyIn / out per 1M
OpenAI API
The lab's own API · cached $0.03
$0.1 / $0.4List price
Azure AI Foundry
Default region · cached $0.03
$0.1 / $0.4Same as list
Azure AI Foundry
swedencentral · cached $0.033
$0.11 / $0.44+10% vs list

USD per 1M tokens; batch $0.05 in, $0.2 out on the lab's API. Regions are separate routes.

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $18.00 direct.

A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.

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About GPT-4.1 Nano

Takes image, text, files in and returns text. First listed Apr 15, 2025. Up to 943K output tokens. Blended price $0.175 per 1M tokens at 3 input to 1 output. Model id gpt-4-1-nano.

Price history

$0.1$0.32026Apr 15, 2025Output $0.4Input $0.1

List price since Apr 15, 2025, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.

  • Price riseOct 29, 202611 days ago+20%
    GPT-4.1 Nano

    OpenAI raised its API price: cached input $0.025 to $0.03 per 1M tokens.

Questions

How much does GPT-4.1 Nano cost?

$0.1 per million input tokens and $0.4 per million output tokens, with cached input at $0.03, or $0.05 and $0.2 through the Batch API.

What is the context window of GPT-4.1 Nano?

1.05M tokens, with up to 943K tokens of output.

Where is GPT-4.1 Nano cheapest?

Of 3 routes tracked, Azure AI Foundry is cheapest at $0.1 input and $0.4 output per million tokens.