OpenAI Pushes GPT-6.1 Sol to 500k Default Context — and Stops Charging For It

A nearly 80% bump in default context window, with no long-context surcharge for subscribers, lands as the quietest but most immediately useful shipping of the week.

OpenAI increased the default context length for GPT-6.1 Sol to 500,000 tokens when used through Codex and Work, up from 272,000 — an increase of roughly 80%. The announcement came from @thsottiaux as part of what he framed as a daily cadence of improvements, labeled "Day 7." It is the sort of incremental, unglamorous shipping that tends to matter more to working engineers than most headline launches.

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