OpenAI raises GPT-6.1 Sol default context length to 500,000 tokens

What happened

The post OpenAI raises GPT-6 (large language model by OpenAI).1 Sol default context length to 500,000 tokens appeared first on Crypto Briefing . The change landed on October 11, 2026, less than two weeks after the model debuted. OpenAI is an artificial intelligence company based in San Francisco, and its products and services include ChatGPT.

The surcharge goes away The bigger default arrived alongside a pricing tweak. The increased context length in GPT-6.1 Sol enhances its ability to handle complex tasks, potentially transforming professional workflows.

11, 2026 OpenAI has given GPT-6.1 Sol a much bigger working memory by default. The model now starts with a 500,000-token context length in Codex and ChatGPT Work, up from 272,000 tokens.

What changed with GPT-6.1 Sol OpenAI moved the default from 272,000 tokens to 500,000. That works out to an extra 228,000 tokens of room before users touch any settings.

The default is only the starting point. GPT-6.1 Sol provides support for a maximum context window (how much text a model can consider at once) of 1,050,000 tokens, and users can override the default to reach for more.

Advertisement That ceiling splits into two parts. Up to 922,000 tokens can go to input, while as many as 128,000 tokens can go to output.

Key facts

• GPT-6.1 Sol — support: a maximum context window of 1,050,000 tokens, and users can override the default to reach for more