OpenAI

GPT-5.6 family

Announced Jul 9, 2026

More capability for different budgets

What could it do?

OpenAI released a family designed to balance reasoning capability, efficiency and cost.

Expanded options for coding, design and knowledge work.

WHY IT MATTERED

Let people choose a capability and cost tradeoff for their workflow.

This is the broad family release; Sol had an earlier limited preview.

Sources checked Oct 7, 2026

Release facts were checked against the sources below. Performance claims belong to the developers; we have not independently tested these models.

No comparable ECI score is available for this release in our source snapshot. Missing scores are never estimated.