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AI API price changes

Every price change we know of, with its date and the page that announced it. Announced changes come first. We add new ones when the weekly check finds them.

Last checked October 13, 2026

Announced

  1. Gemini 3.8 Flash and Gemini 3.6 Flash double in price: input from $0.75 to $1.50, output from $3.75 to $7.50, cached input from $0.075 to $0.15 per million tokens. Cache storage goes from $0.50 to $1.00 per million tokens per hour. Google Gemini API pricing

  2. Gemini 4 Argon doubles in price: input from $2 to $4, output from $10 to $20, cached input from $0.10 to $0.20 per million tokens. Batch prices double too, from $1 and $5 to $2 and $10. Google Gemini API pricing

  3. Earliest end of GPT-5.6 Sol’s promotional price ($4 in, $20 out per million tokens). OpenAI says it runs “at least through” this date. OpenAI API pricing

Already happened

  1. Google’s shutdown date for Gemini 2.5 Flash Image (the first Nano Banana). Google points users to Gemini 3.1 Flash Image or Gemini 3.1 Flash Lite Image. Google Gemini API pricing

  2. Claude Sonnet 5 stays at $2 in and $10 out per million tokens. Anthropic had announced this as an introductory price through 31 August 2026, with a rise to $3 and $15 on 1 September. The rise did not happen, and $2 and $10 is now the standard price. Anthropic pricing

  3. OpenAI renames Priority processing to Fast mode. OpenAI API pricing

This log starts on 13 October 2026, the first day we checked prices. Earlier changes are included only where a company’s pricing page still records them.

Use the data

The full price list behind this site is free to reuse with a link back: prices.json.