The most accurate AI weather forecasting model for energy markets
Compress prompts and reduce LLM API costs while preserving answers
Stage
Not given
Startup
Founded
2023
2024
Based in
CH
Not given
Pricing model
Contact for pricing
Free
Pricing
Not given
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
EPT-2 deterministic global weather model
EPT-2 ensemble forecasts out to 60 days
Hourly updates up to 24 times daily
Power forecasts in megawatts for wind and solar
Athena AI agent for energy markets
5 km resolution models over Europe
High-resolution and rapid-refresh variants
API and Python SDK access
Actuals and nowcasts for renewables
Alert system for forecast shifts
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
Outperforms ECMWF, Google DeepMind, Microsoft and NVIDIA on accuracy
Peer-reviewed research at NeurIPS and ICLR
Verified against 10,000+ ground stations
In production at major utilities and traders globally
Same architecture serves multiple markets
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