Cost of AI translation with an LLM API
Monthly cost of translating text with large language models, from live per-token prices.
Estimated monthly cost — Translation
Calculated live from current TokenRex prices.
| Model | Input / 1M | Output / 1M | Per month |
|---|---|---|---|
| GPT-6 Luna | $0.10 | $0.50 | $15.90 |
| Claude Haiku 4.5 | $1.00 | $5.00 | $159.00 |
| Gemini 3.8 Flash | $0.75 | $3.75 | $119.25 |
| Gemini 3.1 Flash Lite | $0.25 | $1.50 | $46.50 |
| GPT-6 Astra | $10.00 | $50.00 | $1.6k |
The workload we priced
30,000 requests a month, each with about 800 input tokens and 900 output tokens. One token is roughly three quarters of an English word.
What drives the bill
Translation output is about the same length as the input, so output price matters.
Some languages use more tokens per word than English.
Questions
- Are these exact monthly bills?
- They are estimates from live TokenRex prices and the token counts shown. Real bills depend on your actual prompt and reply lengths, which every API response reports in its usage field.
- How do I lower the cost?
- Shorten system prompts, cap reply length, cache repeated input where the model supports it, and send simple requests to a smaller model.
- Which currency am I billed in?
- Wallet top-ups and billing are in Indian rupees. Prices display in US dollars by default, and signed-in users can choose another display currency.
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