On August 17, 2026, Vercel announced that gpt-5.6-sol is 50% off through September 18 when used through AI Gateway, with the same model ID and no code change required if you already call openai/gpt-5.6-sol. On August 16, 2026 (updated), OpenAI’s model release notes continue to remind builders that model lifecycles are moving quickly: GPT-5.6 Sol …
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