OpenAI·GPT

GPT-4.1

Improved coding, instruction following, and long-context processing, with up to one million tokens in the API.

LegacyLanguageCodingMultimodalWeights not released

MODEL NUMBER210

Specifications

Only published specifications are shown.

Context

Input modalities

Text · Image

Output modalities

Text

Open weights

Status

Legacy

Improved coding, instruction following, and long-context processing, with up to one million tokens in the API.

Compared with GPT-4o ↗

PreviousGPT-4o— · 128K ctx

CurrentGPT-4.1— · 1M ctx

2025-04-14API launch

GPT-4.1 became available through an API.

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