GPT-4.1 retired from ChatGPT on February 13, 2026; OpenAI’s announcement left API access unchanged

The OnAirToday AI Progress Tracker recorded a verified change to OpenAI's GPT-4.1 (version gpt-4.1-2025-04-14): GPT-4.1 retired from ChatGPT on February 13, 2026; OpenAI’s announcement left API access unchanged.

GPT-4.1 is OpenAI’s text-and-image input model focused on coding, instruction following, and long-context tasks, with text output and a context window exceeding one million tokens. OpenAI retired it from ChatGPT on February 13, 2026; the retirement announcement left API access unchanged.

What changed in this review:

• OpenAI’s launch evaluation reports GPQA Diamond at 66.3%, SWE-bench Verified at 54.6%, and Aider Polyglot at 52.9%.
• Added OpenAI’s published MMMU result of 74.8%.
• Flaws and limitations updated
• Risks and threats updated

Teams building on GPT-4.1 should confirm limits, pricing and benchmark coverage against the vendor's own documentation before relying on these figures.

The full profile — capabilities, benchmark citations, known flaws and risk guidance — is on the tracker at /ai-models/gpt-4-1.

References:

• https://platform.openai.com/docs/models/gpt-4.1
• https://openai.com/index/gpt-4-1/
• https://openai.com/index/retiring-gpt-4o-and-other-chatgpt-models/
• https://cookbook.openai.com/examples/gpt4-1promptingguide