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PROMPTCALIPER
AI Gateway

A self-hosted AI gateway for enterprise LLM governance. Route · Limit · Guard · Monitor — every LLM call your organization makes, in one place, under your control.

Built by The Foundry  |  MIT License  |  Self-Hosted  |  Actively Shipping

Release Highlights

Now it sees pixels and tags.

Two fronts in this release: multimodal work now runs through the same gateway as text, and every request can be tagged so cost lands on the service that spent it.

Multimodal
Image Editing Pipeline

New image editing endpoints, wired into the LiteLLM service integrations — same keys, budgets and logs as text calls.

Monitoring
Video Status Monitoring

Auxiliary tooling script to check processing status on long-running video jobs.

Tagging
Service Tags

Virtual keys and request logs now carry tags, so spend traces back to the service that made the call.

Reporting
Dashboard Analytics UI

Filter by service tag, break down usage metrics, and pull enhanced reporting from the console.

Why It Matters

Tags close the loop on user-level spend: every request carries the key and tag that made it, so you can track what each user and service costs — and cap it before the invoice lands.

The Full Gateway

Routing
Multi-Provider Routing

Load balance across OpenAI, Anthropic, Gemini, Azure, and more — with automatic fallback and retry logic.

Enforcement
Spend Enforcement

Set monthly budgets at the global, team, API key, or model level. Block or alert when thresholds are hit.

Safety
Safety Guardrails

Keyword blocking, regex filtering, PII redaction, and content policy enforcement on every request.

Observability
Full Audit Trail

Every LLM request logged with token counts, cost, latency, and model used. Query and export your data.

Performance
Response Caching

In-memory or Redis caching with semantic similarity matching. Cut costs and latency on repeated queries.

Rate Control
Rate Limiting

Per-key and per-team RPM/TPM limits backed by persistent database tracking. Prevent runaway usage before it hits your bill.

Supported Providers

OpenAI · Anthropic · Azure OpenAI · Google Gemini · AWS Bedrock · Ollama

Powered by PromptCaliper

The open-source foundation powering our Compliance and Governance vertical. Deploy it yourself and get full LLM governance out of the box.

From Clone To Console.

1
Clone the repo
Pull PromptCaliper from GitHub — MIT licensed, no strings attached.
2
Set your provider keys
Drop your OpenAI, Anthropic, Gemini, Azure or Bedrock credentials into the env config.
3
Build and run
One command spins up the full gateway — routing, budgets, guardrails and the dashboard.

Dev Environment

$ docker compose -f docker-compose.dev.yml up --build
github.com/rustyailabs/PromptCaliper

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