Calcis: LLM Cost Estimator 作者: 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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權限與資料
必要權限：
- 存取您在 chat.openai.com 的資料
- 存取您在 chatgpt.com 的資料
- 存取您在 claude.ai 的資料
- 存取您在 gemini.google.com 的資料
選用的權限：
- 存取您在 chat.openai.com 的資料
- 存取您在 chatgpt.com 的資料
- 存取您在 claude.ai 的資料
- 存取您在 gemini.google.com 的資料
- 存取您在 www.calcis.dev 的資料
收集下列資料：
- 開發者聲稱此擴充套件不要求收集任何資料。
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