PromptLite is a tiny overlay that lives above every AI composer your team uses. It shows token cost in real time, then optimises long prompts in one tap — without changing meaning.
142tokensWorks everywhere your team prompts
Browser extension, VS Code plugin, or `npm i -g promptlite`. No account required for the free tier.
PromptLite watches your composer on Claude, ChatGPT, Gemini, Lovable, and your editor — and shows token cost in real time.
Cross your budget? PromptLite suggests a tighter version, shows a diff, and replaces it in one tap. Meaning preserved.
Each card opens a working PromptLite simulation on that platform — no install needed.
Compress sprawling context blocks before they hit Anthropic's pricing.
Pin the extension — PromptLite mounts inside claude.ai automatically.
Watch cost tick up as you type. One-tap rewrite before you ever press send.
Works on chatgpt.com and the desktop app webview.
Side-by-side before/after with annotated edits and undo.
Also available on Firefox and Edge.
Critical warnings before a run, attachment-aware optimisation built in.
Detects Agent-mode runs and warns before you burn credits.
Token-aware ghost text right where you ship code.
Lights up in every chat panel: Copilot, Claude Code, Cursor.
Pipe prompts through stdin, get optimised output and stats back.
Drop-in for any terminal LLM CLI. Use as a pre-commit hook to fail builds on CRITICAL prompt issues.
Per-user, per-team, per-project. Soft & hard caps with Slack alerts. CFOs finally get a number.
See exactly what changed before you accept. Tag-annotated edits.
Warn at 80%. Block at 100%.
Handles files.
Same overlay on Claude, ChatGPT, Gemini, Lovable, VS Code and CLI.
On-device tokenisation. Prompts never leave your browser unless you opt in.
Roll up token usage by team, project, model and surface. Set budgets, see who's burning, export to finance. Built for orgs serious about AI ROI.
Open the dashboardFor solo devs trying it out.
For power users & freelancers.
For teams that ship with AI.
Procurement-friendly.
"PromptLite cut our Claude bill by 38% in the first month. Nobody changed how they work — the badge just nudges you."
"Finally a tool a CFO can read. Per-team budgets, hard caps, and a dashboard that doesn't lie."
"I run it in CI through the npm package. Long prompts get rewritten before they ever ship to prod."
Install PromptLite in two minutes. Free forever for solo devs.