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Summary

An overview of ChatGPT subscription plan limits as of April 2026, explaining why they exist and advocating for self-hosted open-source LLMs to avoid them.

Key quotes

Usage limits help OpenAI balance global demand and prevent GPU overloads that could slow or crash the system.
The performance gap between open-source and proprietary AI is almost gone and the control gap has flipped entirely.

The article provides a detailed breakdown of message and context limits for various ChatGPT tiers including Free, Go, Plus, Business, and Pro. It discusses the technical and financial reasons for these limits and compares proprietary models with open-source alternatives.