GPT-4.1's larger context windows (it can support up to one million tokens of context) mean the latest AI models are far better equipped than GPT-4o to handle lengthy documents and large codebases.

The GPT-4.1 models are now rolling out to free and paid ChatGPT users. The GPT-4.1 model is now rolling out on ChatGPT to paid users, which includes ChatGPT Plus, Pro, and Team subscribers.

The GPT-4.1 models support up to one million tokens. For reference, the o1 and o3-mini models in the API have a 200K context length, and GPT-4.5 and GPT-4o have a 128K context length.

OpenAI's GPT-4.1 upgrade is more than just hype. Here's how this model outperforms GPT-4o in software development, long-form tasks, and accuracy, according to developers already using it.

GPT-4.1 excels at coding and instruction following compared to GPT-4o, according to OpenAI, but is faster than its o-series of reasoning models. The company says it’s now rolling out GPT-4.1 to ...

GPT-4.1 delivers a 21.4-point improvement over GPT-4o on the SWE-bench Verified software engineering benchmark, and a 10.5-point gain on instruction-following tasks in Scale’s MultiChallenge ...

GPT-4.1 retains the same API capabilities as the GPT-4o model family, like structured outputs and tool calling. Additionally, it has improvements compared to previous models, including: ...

For writers seeking an AI collaborator that understands the emotional side of storytelling and goes beyond structure, ChatGPT ...

OpenAI has now created so many new models that even AI experts are finding it hard to keep track, but the company seems to ...

In a head-to-head comparison, o3-pro was far less reliable and secure, and reasoned excessively compared to GPT-4o.

Software engineering has traditionally been about complex code and long development cycles. But things are changing now.

The open-source M1 boasts a record-breaking context window and lean training budget, promising enterprise-grade reasoning ...