OpenAI Raises GPT-6.1 Sol Default Context to 500k in Codex & Work, Drops Long-Context Fees

Key Info

OpenAI has raised the default context length for GPT-6.1 Sol to 500k tokens when used through Codex & Work, up from 272k (about an 80% increase). Long-context fees are no longer charged for GPT-6.1 Sol when drawing usage from the subscription.

Highlights

• Default context for GPT-6.1 Sol in Codex & Work is now 500k tokens, up from 272k (~80% increase).
• The change reduces compaction events and helps tasks that need to retain large context and nuance over time.
• Users can still override the default to a higher or lower value, with a maximum context length of 1M tokens.
• No long-context fees are charged for GPT-6.1 Sol when usage comes from the subscription.
• OpenAI says it will go higher in the future and that 500k was carefully tested as the new sweet spot for most users.