O
OpenAI
2026-01-29
Vendor Strategy Important Medium 90% Confidence

OpenAI to Retire GPT-4 Series Models in ChatGPT

Summary

OpenAI plans to retire GPT-4o/4.1 series models from ChatGPT by early 2026, while keeping API services unchanged. This follows the company's earlier announcement of phasing out GPT-5 model variants.

Key Takeaways

OpenAI's official announcement states retirement of GPT-4o, GPT-4.1, GPT-4.1 mini and OpenAI o4-mini from ChatGPT starting February 13, 2026.
The change only affects ChatGPT product line with no immediate API impact.

Why It Matters

This signals OpenAI's accelerated model generation transition, potentially paving way for next-gen model commercialization....

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Source: OpenAI博客
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