OpenAI Just Cut GPT-5.6 Luna’s Price by 80 Percent – and That Tells You Where the Pressure Is Coming From

On July 30, 2026, OpenAI executed a sharp recalibration of its model pricing, slashing the cost of its GPT-5.6 Luna tier by 80%. The price for Luna, the fastest and most cost-effective model in the GPT-5.6 lineup, dropped from $1/$6 to $0.20/$1.20 per million…