GPT-4.1
by OpenAI
GPT-4.1 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 $2 per 1M input tokens and $8 per 1M output tokens.
GPT-4.1 is OpenAI's latest and most advanced flagship model, significantly improving upon GPT-4 Turbo in performance across benchmarks, speed, and cost-effectiveness.
Key specs
| Provider | OpenAI |
|---|---|
| Release date | 2025-04-14 |
| License | proprietary |
| Context window | 1M tokens |
| Max output | 33K tokens |
| Input price | $2 / 1M tokens |
| Output price | $8 / 1M tokens |
| Intelligence Score | 18 |
| Coding index | 4.9 |
Quick answers
What is the context window of GPT-4.1?
GPT-4.1 has a context window of 1M tokens, with a maximum output of 33K tokens per response.
How much does GPT-4.1 cost?
GPT-4.1 costs $2 per 1M input tokens and $8 per 1M output tokens through the API.
Is GPT-4.1 open source?
No. GPT-4.1 is a proprietary model from OpenAI (proprietary license).
When was GPT-4.1 released?
OpenAI released GPT-4.1 on April 14, 2025.
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