GPT-4.1 in the API
Announcing GPT-4.1, GPT-4.1 mini, & GPT-4.1 nano in the API
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The page announces the introduction of GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano models in the OpenAI API. These new models offer significant improvements in coding, instruction following, and long context comprehension, supporting up to 1 million tokens. They feature a refreshed knowledge cutoff of June 2024. GPT-4.1 excels in benchmarks like SWE-bench Verified (54.6%), Scale’s MultiChallenge (38.3%), and Video-MME (72.0%). GPT-4.1 mini offers GPT-4o level intelligence at lower latency and cost, while GPT-4.1 nano is the fastest and cheapest model, ideal for tasks like classification. The announcement also includes the deprecation of GPT-4.5 Preview, effective July 14, 2025. Real-world examples from partners like Windsurf and Qodo highlight the models' performance in production.
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