EU-resident inference API for open-weight language models
Cut your AI agent bill
Stage
MVP
Not given
Founded
Not given
Not given
Based in
ES
LT
Pricing model
Contact for pricing
Freemium
Pricing
Not given
Proxy API: 15% of savings on provider bill. Models API: $0.40 per 1M tokens removed (Helene 1.1), $0.90 per 1M tokens removed (Adeline 1). Free tier available with Condense Lite (approximately 20% compression).
Key features
OpenAI-compatible Responses and Chat Completions endpoints
Streaming with Server-Sent Events
Function calling and tool use
Structured JSON output with schema validation
Audio transcription with file and live WebSocket modes
Text-to-speech with built-in and customizable voices
Speech-to-speech translation
Time series forecasting up to 1,000 periods
Per-key usage tracking and limits
Servers owned and operated by NPAW in EU
Proxy API for seamless integration requiring only one base URL and header change
Maintains 98.6% cache hit rate
Preserves instructions, questions, answers, code and error messages
Direct billing from provider with no stored API keys
SOC 2 Type II and ISO 27001 compliance in progress
Zero data retention with GDPR export and erasure support
What makes it different
Data residency in EU with no US sub-processor in the data path
OpenAI-compatible API so teams can keep existing integrations
Three capability levels—Z Ultra, Z Pro, Z Fast—on the same API
Operated by NPAW, which has run its own data infrastructure since 2008
ISO 27001, ISO 27701, ISO 42001 and ENS High certified
Removes 37.3% of bills on average sessions and 66-72% on sessions over 800k tokens
Pay only 15% of savings on Proxy API with no fee if no savings occur
Built around cache architecture rather than against it
Public benchmark allowing comparison with alternatives before purchase
Operates transparently with audit logs and ability to inspect rewritten requests
Zarx
condense