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OpenAI Released April 14, 2025 Synced Apr 7, 2026

OpenAI: GPT-4.1

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...

Tool useVision

Why it stands out

Offers a 1048K-token context window, enabling full-document and multi-file analysis without chunking.
Tool use support makes it viable for function-calling and agentic pipelines.
Multimodal input (vision) extends it beyond text-only workflows.

What to watch

No benchmark score currently tracked — evaluate using task-specific testing alongside pricing and capability data.

Release timeline

Tracked events for OpenAI: GPT-4.1.

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release

OpenAI: GPT-4.1 entered the tracked catalog

April 14, 2025

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 GPT-4.5 across coding (54.6% SWE-bench Verified), instruction compliance (87.4% IFEval), and multimodal understanding benchmarks. It is tuned for precise code diffs, agent reliability, and high recall in large document contexts, making it ideal for agents, IDE tooling, and enterprise knowledge retrieval.

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Recent changes

LaunchApr 14

OpenAI launched OpenAI: GPT-4.1

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