OpenAI

GPT-4.1 Nano (batch)

by OpenAItext+image+file->text1 endpoint

Overview

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.

Capabilities

Text generation
Image understanding
Tool use / Function calling
Structured output
Prompt caching
Long context
File input
Top-P sampling
Deterministic seed

Modalities

Input
ImageTextFile
Output
Text

Technical Specifications

Context Window
1.0M tokens
Max Output
32.8K tokens
Knowledge Cutoff
2024-06-30
Tokenizer
GPT
Content Moderation
Enabled

Supported Parameters

max_tokensresponse_formatseedstructured_outputstemperaturetool_choicetoolstop_p

Pricing

Per 1M tokens
Input$0.05
Output$0.20
Cache read$0.01
Added
April 14, 2025
Last synced 9/19/2026