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LLM API Cost Calculator
Estimate ChatGPT, Claude, Gemini API spend per request, per month, per year. USD ↔ VND conversion.
/ Request
$0
0 VND
/ Tháng
$0
0 VND
/ Năm
$0
0 VND
So sánh với các model khác (chi phí / tháng)
How to use
- Pick the model you plan to use
- Enter requests-per-day + average input/output tokens per request
- (Optional) Enable prompt caching if you reuse the same context
- See the comparison table — switching model can save 50-90%
Tips to reduce cost
- Use the smallest model that's good enough: Haiku/mini/Flash is 10-30× cheaper than flagship
- Prompt caching: when you reuse system messages and examples → up to 90% off input cost
- Batch API: bulk requests are usually 50% cheaper
- Ask for shorter outputs: output tokens cost 4-5× input
Related
Pricing data updated 2026-Q2. Verify on the provider's site before committing large budgets.
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