GPT-5.6 Sol is now 50% off a lower price

Summary

OpenAI cut list pricing for GPT-5.6 Sol, with input down 20% and output down a third. Vercel's 50% AI Gateway discount now applies to that lower price through September 18.

Key facts

• OpenAI lowered list pricing for GPT-5.6 Sol.
• Input pricing dropped 20% and output dropped a third.
• Vercel's 50% AI Gateway discount applies to the new lower price.
• The discount runs through September 18.
• The discount applies on every OpenAI service tier.

Why it matters

Teams routing GPT-5.6 Sol through Vercel's AI Gateway pay half the already-reduced rate until September 18, so workloads run in that window cost less than before.