GPT-4.1
language modelOpenAI
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...
Key facts
| Made by | OpenAI |
|---|---|
| Type | language model |
| Released | April 14, 2025 |
| Reads at once | 1,047,576 tokens |
| Price (API, per million tokens) | $2 in · $8 out |
| Input → output | image, text, file → text |
Questions about GPT-4.1
Who makes GPT-4.1?
GPT-4.1 is made by OpenAI.
When was GPT-4.1 released?
We first saw GPT-4.1 listed on April 14, 2025.
How much does GPT-4.1 cost?
Through OpenRouter it costs $2 per million input tokens and $8 per million output tokens. Prices change, so check the provider before you build on it.
How much text can GPT-4.1 read at once?
Up to 1,047,576 tokens, roughly 785.7K words.
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