Compress prompts and reduce LLM API costs while preserving answers
Stage
MVP
Startup
Founded
Not given
2024
Based in
FR
Not given
Pricing model
Paid
Free
Pricing
Pay-as-you-go credits. Top-up fees: Business rate 5.5% + €0.30, Standard rate 6.5% + €0.30, International 8.5% + €0.30. Minimum top-up €5.00. Tokens billed at upstream provider's per-token price in EUR with no per-token markup.
Open beta: $0/month with unlimited API calls, all features, and no credit card required. After beta: a generous free tier and simple usage plans with early users keeping their perks.
Key features
OpenAI-compatible API, works with existing SDKs and tools without modification
Per-request carbon emissions tracking and grid carbon intensity reporting
Multi-provider routing with choice of provider, model, and region per request
Model aliases for repointing requests without code changes
Auto-routing to select lowest-carbon route based on policy
Jurisdiction filtering including EU-only provider option
Usage dashboard with per-model, per-provider, and per-key breakdown
CSV export for auditable per-request usage and carbon data
One invoice for all providers with automatic EUR conversion
No lock-in with base URL configuration allowing instant provider switching
Compress long prompts, logs and documents by removing filler while preserving code, numbers and facts
Convert web pages to clean Markdown instead of raw HTML
Shrink JSON responses into TOON format with headers and CSV-like rows
Available as MCP server for Claude, Cursor, Windsurf and VS Code
Gateway integration for OpenAI and Anthropic SDKs
REST API for direct integration
Self-hosted or hosted gateway options
Dashboard showing token and cost savings
Works with any chat model including local models
Output modes to control answer verbosity: lite, caveman and ultra
What makes it different
Sovereign EU hosting outside CLOUD Act reach with GDPR compliance and your choice of provider jurisdiction per request
No data training or retention; prompts forwarded unchanged to chosen provider only
Rule-based compression takes milliseconds without using another LLM
Your API key never leaves your infrastructure when using self-hosted gateway
Streaming, tool calling and function calling work unchanged
Real-world savings up to 42% on monthly LLM bills according to calculator