AiGanakWhat Hinglish (Latin script) costs on LLM APIs
The same customer messages take 1.27× to 1.55× as many tokens in Hinglish (Latin script) as in English, depending on the model, and API bills follow tokens. Gemini 3.x counts the fewest tokens for Hinglish (Latin script); Claude 5.x the most.
The same 12 business messages take 1.41× on OpenAI GPT-6, 1.55× on Claude 5.x, 1.27× on Gemini 3.x, 1.31× on Gemini 4 Argon as many tokens in Hinglish (Latin script) as in English (official token counters, 4 November 2026), so they cost that many times as much. Gemini 3.x uses the fewest tokens for Hinglish (Latin script), Claude 5.x the most. Cheapest listed model for 100,000 messages and replies a month: GPT-6 Luna at $1.95, against $1.38 in English on the same model (list prices checked 2 November 2026).
Hinglish (Latin script) against English, by model family
1.00× = English on the same model. Tokens are what you are billed for, so 2.00× means the same conversation costs twice as much.
| Model family | Hinglish (Latin script) tokens | English tokens | Multiple of English | Hinglish (Latin script) tokens per message |
|---|---|---|---|---|
| OpenAI GPT-6 | 389 | 276 | 1.41× | 32.4 |
| Claude 5.x | 629 | 405 | 1.55× | 52.4 |
| Gemini 3.x | 370 | 292 | 1.27× | 30.8 |
| Gemini 4 Argon | 383 | 292 | 1.31× | 31.9 |
Models counted together: OpenAI GPT-6: gpt-6-astra, gpt-6.1-sol, gpt-6.1-terra, gpt-6-luna; Claude 5.x: claude-opus-5-5, claude-sonnet-5-5, claude-haiku-5-5, claude-fable-5-1; Gemini 3.x: gemini-3.1-pro-preview, gemini-3.8-flash, gemini-3.5-flash-lite; Gemini 4 Argon: gemini-4-argon. Corpus, counts and counting script are open on GitHub under CC BY 4.0. Native-speaker corrections are welcome.
Hinglish (Latin script) in the index
- On Claude 5.x, Hinglish (Latin script) takes 1.70× as many tokens as on Gemini 3.x for the same text, the widest gap between model families for this language.
- Rank among the 22 languages measured (1 = most tokens): 12th on OpenAI GPT-6, 17th on Claude 5.x, 11th on Gemini 3.x, 11th on Gemini 4 Argon.
- On Gemini 3.x, the most token-efficient family for Hinglish (Latin script), Hinglish (Latin script) takes 1.27× English against an average of 1.75× for the other 11 Indian languages in the index.
- Hindi in Devanagari script takes 1.43× on OpenAI GPT-6, 2.28× on Claude 5.x, 1.18× on Gemini 3.x, 1.28× on Gemini 4 Argon: writing Hindi in Latin script is only cheaper on some models.
Monthly cost of 100,000 messages in Hinglish (Latin script)
Each message goes in once and gets a reply of the same length, at each model's standard input and output list price, no caching. The cheapest listed model for Hinglish (Latin script) is GPT-6 Luna at $1.95 a month.
| Model | In Hinglish (Latin script) | In English |
|---|---|---|
| GPT-6 Luna OpenAI | $1.95 | $1.38 |
| Claude Haiku 5.5 Anthropic | $3.15 | $2.03 |
| Gemini 3.5 Flash-Lite Google | $8.63 | $6.81 |
| Gemini 3.8 Flash Google | $13.88 | $10.95 |
| GPT-6.1 Terra OpenAI | $19.45 | $13.80 |
| Gemini 4 Argon Google | $38.30 | $29.20 |
| GPT-6.1 Sol OpenAI | $38.90 | $27.60 |
| Gemini 3.1 Pro (preview) Google | $43.17 | $34.07 |
| Claude Sonnet 5.5 Anthropic | $62.90 | $40.50 |
| Claude Opus 5.5 Anthropic | $125.80 | $81.00 |
| GPT-6 Astra OpenAI | $194.50 | $138.00 |
| Claude Fable 5.1 Anthropic | $314.50 | $202.50 |
Price per token and tokens per message both matter, and quality on your own task decides whether a cheaper model is usable. Gemini 4 Argon's announced price rise from 1 December 2026 is not included; see the price changes log.
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Hinglish (Latin script) LLM cost: questions
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Does Hinglish (Latin script) cost more than English on LLM APIs?
Yes. In AiGanak's measurement with official token counters (4 November 2026), the same 12 business messages took 1.41× on OpenAI GPT-6, 1.55× on Claude 5.x, 1.27× on Gemini 3.x, 1.31× on Gemini 4 Argon as many tokens in Hinglish (Latin script) as in English, and API bills follow tokens.
Which LLM is cheapest for Hinglish (Latin script)?
Gemini 3.x used the fewest tokens for Hinglish (Latin script) in our test. Counting price as well, the cheapest listed model for 100,000 messages and same-length replies a month is GPT-6 Luna at $1.95, against $1.38 for English on the same model (list prices checked 2 November 2026). Test quality on your own examples before choosing.
How can I reduce LLM costs for Hinglish (Latin script) users?
Compare model families, because Claude 5.x counts the most tokens for Hinglish (Latin script). Keep system prompts and tool definitions in English, cache the fixed part of the prompt, and at high volume consider a small model with a tokenizer trained for your language.
Building an AI product in Hinglish (Latin script)?
We find where multilingual LLM spend goes and how to cut it, from model choice to a custom small model for your language.