GPT-5.6 Price Cuts Prove AI Intelligence Is Getting 13x Cheaper Every Four Months

1Key Takeaways

• The Fastest Cost Deflation in AI History Just Got Faster GPT-5.6 price cuts have reset every assumption builders hold about AI infrastructure budgets.
• OpenAI slashed Luna pricing by 80% and Terra by 20%, while introducing a Sol Fast tier running at up to 2.5× lower latency — and the underlying cause is something genuinely unprecedented: the model optimized its own serving stack to make the cuts possible.
• According to Latent Space's analysis of the OpenAI announcement , GPT-5.6 Sol was deployed….