October 11th 2026, 11:56 PM
OpenAI Boosts GPT-6.1 Sol's Memory Capacity to 500,000 Tokens
Key Summary
OpenAI has increased the default context length of GPT-6.1 Sol from 272,000 tokens to 500,000 tokens, aiming to improve the model's handling of long contexts and multi-step tasks. The change also eliminated long-context surcharges for subscription users. The model's performance is comparable to GPT-6 Astra, but at a lower cost.
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What Changed with GPT-6.1 Sol
OpenAI moved the default context window from 272,000 tokens to 500,000 tokens, providing users with an additional 228,000 tokens of room before touching any settings.Pricing Tweak
The bigger default arrived alongside a pricing tweak, eliminating long-context surcharges for subscription users of GPT-6.1 Sol.Developer Impact
For developers paying through the API, the published rates are $2 per million input tokens and $10 per million output tokens.GPT-6.1 Sol's Place in the GPT-6 Lineup
GPT-6.1 Sol launched on September 29, 2026, at OpenAI's DevDay event and targets users with complex coding, heavy computer use, and professional work.Performance and Pricing
GPT-6.1 Sol's performance is described as closely aligned with the flagship GPT-6 Astra, but costing significantly less to run.Availability
GPT-6.1 Sol is available in ChatGPT Work and Codex, targeting Plus, Pro, Business, Enterprise, and Edu users with access through the OpenAI API.#OpenAI#GPT#Sol#AI#Tech#Crypto