AiGanakLLM API price changes
Every price change, new model price and pricing announcement from OpenAI, Anthropic and Google, newest first, each checked against the provider's own page.
A dated log of every LLM API price change, new model price and pricing announcement from OpenAI, Anthropic and Google, each checked against the provider's own page, with upcoming changes such as Gemini 4 Argon doubling on 1 December 2026.
| Announced | Provider | Change | Source |
|---|---|---|---|
| 28 October 2026 | OpenAI Credits | Up to $500 a month in free API credits for ChatGPT Pro and Business Eligible ChatGPT Pro and Business subscribers can claim up to $500 per month in API credits by linking an API organization they own. | OpenAI |
| 26 October 2026 | OpenAI New model | GPT-6.1 Terra released at $1 input / $5 output A fast, efficient mid-size model: $1 input, $0.05 cached input and $5 output per million tokens; batch at half price. | OpenAI |
| 26 October 2026 | Google Price increase | Gemini 3.8 Flash and 3.6 Flash prices double on 1 January 2027 Input $0.75 → $1.50, output $3.75 → $7.50, cached input $0.075 → $0.15 per million tokens; cache storage $0.50 → $1.00 per million tokens per hour. Takes effect 1 January 2027. | |
| 26 October 2026 | Google Price increase | Gemini 4 Argon prices double on 1 December 2026 Input $2 → $4, output $10 → $20, cached input $0.10 → $0.20 per million tokens; batch doubles too. Google had called the launch price introductory. Takes effect 1 December 2026. | |
| 20 October 2026 | OpenAI New pricing option | 12-hour prompt caching, with cache writes at 2.5x input price Shared instructions, tools and context can stay cached for 12 hours, so requests hours apart still get cached-input prices. Writing to the 12-hour cache costs 2.5x the input token price. | OpenAI |
Free to cite with a link to this page. Current prices for every model are in the pricing table and as open data.
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