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AI Gateway: GPT-5.6 Price Cuts and Speed Update

·2026.07.30 09:00

Key point

AI Gateway has lowered the price of the GPT-5.6 models and improved the inference speed of the Sol model.

Details

Vercel's AI Gateway has announced an update for the GPT-5.6 models. Through this update, the cost of the GPT-5.6 Luna and Terra models has been significantly lowered, and the GPT-5.6 Sol model has seen improved processing speed.

The key changes are as follows:

  • GPT-5.6 Luna: Price cut by 80% ($0.2 per 1M input tokens / $1.2 per 1M output tokens)
  • GPT-5.6 Terra: Price cut by 20% ($2 per 1M input tokens / $12 per 1M output tokens)
  • GPT-5.6 Sol: Price unchanged, but Fast mode speed improved from the previous 1.5x to 2.5x

Since AI Gateway does not add any separate margin on token pricing, users receive the benefit of the changes exactly at the upstream rates. The model IDs remain unchanged, so the new rates and speed apply immediately without any need to modify existing code.

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