Calcis: LLM Cost Estimator — Ryan Chen
See what your LLM prompt will cost before you send it. Works on ChatGPT, Claude, and Gemini.
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Calcis shows you what an LLM API call will cost before you send it: right inside ChatGPT, Claude, and Gemini.
As you type a prompt, Calcis estimates the token count, predicts the output length, and shows the total cost in a small overlay near the input box. The estimate updates live as you type.
Features:
- Auto-detects which model you have selected
- Auto-detects effort/reasoning level
- Shows input tokens, predicted output tokens, and cost
- Shows cost at 1,000 requests/month for at-scale planning
- Works on chat.openai.com, chatgpt.com, claude.ai, gemini.google.com
- Non-intrusive overlay that can be collapsed or dismissed
- Your prompts are never stored or logged by the extension
Setup:
1. Get an API key at calcis.dev/dashboard
2. Click the Calcis extension icon and enter your API key
3. Open ChatGPT, Claude, or Gemini and start typing
Powered by the same estimation engine as calcis.dev.
As you type a prompt, Calcis estimates the token count, predicts the output length, and shows the total cost in a small overlay near the input box. The estimate updates live as you type.
Features:
- Auto-detects which model you have selected
- Auto-detects effort/reasoning level
- Shows input tokens, predicted output tokens, and cost
- Shows cost at 1,000 requests/month for at-scale planning
- Works on chat.openai.com, chatgpt.com, claude.ai, gemini.google.com
- Non-intrusive overlay that can be collapsed or dismissed
- Your prompts are never stored or logged by the extension
Setup:
1. Get an API key at calcis.dev/dashboard
2. Click the Calcis extension icon and enter your API key
3. Open ChatGPT, Claude, or Gemini and start typing
Powered by the same estimation engine as calcis.dev.
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Dovoljenja in podatki
Zahtevana dovoljenja:
- dostopa do vaših podatkov za chat.openai.com
- dostopa do vaših podatkov za chatgpt.com
- dostopa do vaših podatkov za claude.ai
- dostopa do vaših podatkov za gemini.google.com
Neobvezna dovoljenja:
- dostopa do vaših podatkov za chat.openai.com
- dostopa do vaših podatkov za chatgpt.com
- dostopa do vaših podatkov za claude.ai
- dostopa do vaših podatkov za gemini.google.com
- dostopa do vaših podatkov za www.calcis.dev
Zbiranje podatkov:
- Razvijalec pravi, da ta razširitev ne zahteva zbiranja podatkov.
Več informacij
- Povezave dodatka
- Različica
- 1.0.2
- Velikost
- 40,55 KB
- Zadnja posodobitev
- pred 4 dnevi (24. apr. 2026)
- Sorodne kategorije
- Licenca
- Vse pravice pridržane
- Pravilnik o zasebnosti
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- Zgodovina različic
- Dodaj v zbirko