GPT-4.1 mini

by OpenAI

GPT-4.1 mini is a model from OpenAI, released on April 14, 2025. It has a 1M-token context window and can generate up to 33K output tokens. API pricing is $0.4 per 1M input tokens and $1.6 per 1M output tokens.

GPT-4.1 mini provides a balance between intelligence, speed, and cost. It's a significant leap in small model performance, even beating GPT-4o in many benchmarks while reducing latency and cost.

Key specs

ProviderOpenAI
Release date2025-04-14
Licenseproprietary
Context window1M tokens
Max output33K tokens
Input price$0.4 / 1M tokens
Output price$1.6 / 1M tokens
Intelligence Score14
Coding index-3.4

Quick answers

What is the context window of GPT-4.1 mini?

GPT-4.1 mini has a context window of 1M tokens, with a maximum output of 33K tokens per response.

How much does GPT-4.1 mini cost?

GPT-4.1 mini costs $0.4 per 1M input tokens and $1.6 per 1M output tokens through the API.

Is GPT-4.1 mini open source?

No. GPT-4.1 mini is a proprietary model from OpenAI (proprietary license).

When was GPT-4.1 mini released?

OpenAI released GPT-4.1 mini on April 14, 2025.

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