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Last updated: September 26, 2026
GPT-6 Cost Calculator (gpt6costcalculator.com) provides estimates of API usage costs based on publicly listed provider pricing and the usage numbers you enter. It is an independent informational tool — not a billing system, not a reseller, and not affiliated with OpenAI, Anthropic, Google, or any other provider.
Calculated figures are approximations. Your actual bill depends on your provider account, exact token counts (including system prompts, tool definitions, and reasoning tokens you may not see), caching behavior, tier selection, taxes, and price changes after our last verification date. Always confirm on the provider's official pricing page before budgeting or committing to usage.
Prices shown are a manually verified snapshot — see our Pricing Methodology page for sources and verification dates. Providers change prices without notice; we do not guarantee any figure is current.
Nothing on this site is financial, legal, or procurement advice. Model comparisons are strictly mathematical cost comparisons; we make no claim that any model is "better" for your use case.
Use the calculators and content for lawful purposes. Don't scrape the site aggressively, misrepresent its output as an official provider quote, or imply any endorsement relationship that doesn't exist.
Site design and original content are ours. Model names, trademarks, and prices belong to their respective providers and are referenced for identification only.
The site is provided "as is", without warranties of any kind. To the maximum extent permitted by law, we are not liable for decisions made based on its estimates or content.
We may update these terms as the site evolves; continued use after changes means you accept them. Material changes will be reflected in the "Last updated" date above.