Canonical event

OpenAI expands GPT-6 into Sol and Luna tiers

OpenAI introduced GPT-6 Sol and Luna as faster, lower-cost variants intended to spread GPT-6 capabilities across more everyday and professional workloads.

Artifacts

Introducing GPT-6 Sol and Luna
documented_by · product_announcement

Signals

Frontier-level AI capability is being pushed into faster and lower-cost model tiers, reducing the cost barrier for sustained professional and agentic workloads.
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