GPT-6 Sol & Claude Opus 5.5 are liveGPT-6 Sol at half the price of 5.6 Sol
Pricing

Temporary GPT-5.6 Price Reduction

Effective immediately, pricing for GPT-5.6 Sol, Terra, and Luna has been reduced from 10% to 7% of the official rates, a further 30% price reduction. The new pricing applies
automatically.