Opus 5.5 and GPT-6 Luna/Sol launch with steep price cuts

The AI Report lists Opus 5.5 at 40% below Opus 5 and the new GPT-6 Luna and Sol tiers at 50% below prior pricing, with per-million-token figures. Lower listed prices could change model economics, but this item reports the newsletter's figures and does not establish each provider's full production cost or final usage bill.