AI Token Cost Calculator
Estimate your AI API costs before you spend. Compare GPT, Claude, and Gemini pricing in seconds.
$2.5/1M input tokens · $10/1M output tokens · Context: 128,000 tokens
Used to project your monthly cost (assumes 30 days).
Input Cost
$0.0025
Output Cost
$0.0050
Total Cost / Request
$0.0075
Projected Monthly Cost
Based on your requests/day input
$22.50
Compare All Models
Cost for the same 1,000 input / 500 output tokens, cheapest first.
| Model | Provider | Input Cost | Output Cost | Total Cost | Context Window |
|---|---|---|---|---|---|
| Gemini 1.5 FlashCheapest | $0.0001 | $0.0002 | $0.0002 | 1,000,000 | |
| GPT-4o mini | OpenAI | $0.0002 | $0.0003 | $0.0005 | 128,000 |
| Claude Haiku | Anthropic | $0.0008 | $0.0020 | $0.0028 | 200,000 |
| Gemini 1.5 Pro | $0.0013 | $0.0025 | $0.0038 | 1,000,000 | |
| GPT-4o | OpenAI | $0.0025 | $0.0050 | $0.0075 | 128,000 |
| Claude Sonnet | Anthropic | $0.0030 | $0.0075 | $0.0105 | 200,000 |
| Claude Opus | Anthropic | $0.0150 | $0.0375 | $0.0525 | 200,000 |
AI Token Calculator in INR
Every major AI provider — OpenAI, Anthropic, Google, DeepSeek, Meta, Mistral — prices its API in US Dollars, which makes it hard for Indian developers, freelancers, and startups to know what they're actually spending in rupees. Growfiy's Token Calculator estimates your token usage and converts the cost to INR, so you can budget in the currency your business actually runs on.
Useful for Indian founders sizing up a monthly AI budget, agencies billing clients for AI-powered features, and developers who just want a rupee number instead of doing USD-to-INR math in their head.
GST and Forex: What Indian Users Should Know
When a registered Indian business pays a foreign AI provider, this is generally treated as an import of service, which can attract GST under the reverse charge mechanism (RCM) — meaning the business, not the AI provider, is responsible for depositing the tax. Freelancers and individuals should check applicability separately based on registration status.
On top of GST, USD-INR exchange rate movement directly affects your effective cost — a weaker rupee raises your INR spend even when the provider's USD pricing stays flat. Card networks also often add a foreign transaction markup on top of the base conversion rate, so your actual statement amount can run slightly higher than a simple rate-based estimate.
This is general information for planning purposes, not tax advice. Confirm GST treatment for your specific case with a chartered accountant.
Budgeting AI Costs in Rupees
- Add a forex buffer: build in 5-10% on top of your converted estimate to absorb exchange rate movement and card markup across a billing cycle.
- Factor in GST separately: keep your base API cost estimate and any reverse-charge GST liability as two line items, not one blended number.
- Compare models on an INR-per-1,000-requests basis: small USD-per-token differences compound quickly once converted to INR at scale, so re-run comparisons in rupees, not just dollars.
- Re-check your estimate monthly: exchange rates shift; a budget that made sense in one month's INR terms can drift as the rupee moves.
Frequently Asked Questions
Why are AI API prices listed in USD instead of INR?
Most AI providers — OpenAI, Anthropic, Google, and others — bill globally in USD by default, regardless of where you're based. Indian developers and businesses need to convert this to INR themselves using the current exchange rate to understand their actual cost.
Does GST apply on AI API or LLM subscription payments in India?
If you're a registered business paying a foreign AI provider, this is typically treated as an import of service and may attract GST under the reverse charge mechanism (RCM), which the recipient business — not the foreign provider — is responsible for paying. Individual freelancers should check applicability based on their registration status. This is general information, not tax advice — confirm your specific liability with a CA.
How much does the USD-INR exchange rate affect my AI budget?
Since most providers bill in USD, a weaker rupee directly increases your effective cost in INR even if the provider's USD pricing hasn't changed. Businesses with recurring, high-volume AI usage often build in a small buffer (5-10%) to absorb forex fluctuations month to month.
Is it cheaper to use a smaller model for Indian startups on a tight budget?
Often yes — smaller or mid-tier models can cost a fraction of flagship model pricing per token, and for many tasks like classification, summarization, or simple chat, the accuracy difference is small enough that the cost savings are worth it, especially when converted to INR at scale.
Can I pay for OpenAI, Claude, or Gemini API directly in INR?
Most providers charge international cards in USD and let your bank or card network handle the INR conversion, which usually adds a foreign transaction markup. A few providers offer local billing options in select cases, so it's worth checking your provider's billing settings directly.
How do I estimate my monthly AI API bill in rupees before launching a product?
Estimate your token cost per request in USD using the calculator above, multiply by expected monthly requests, then convert to INR using the current exchange rate plus a small buffer for rate fluctuation and any applicable GST under reverse charge.