GLR Labs

Erin

Legal intelligence, as an API.

Erin is a legal AI API by GLR Labs. Send it legal work - drafting, research, review, citations - and judge it by one thing: the output. One endpoint, OpenAI-compatible, drop-in with any standard SDK.

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01The problem

General-purpose AI was not built for legal work.

It invents citations with perfect confidence. It answers Indian questions with American doctrine. It smooths over genuine legal disagreement into false certainty. And it treats a court filing and a client email as the same kind of task. For most industries these are annoyances. In law, each one is malpractice-adjacent.

02What Erin does

Built for law. Judged on outcomes.

Erin behaves the way a careful legal professional behaves.

Every citation is flagged

Each response carries a machine-readable citations array - every case, statute, and section marked verified, unverified, or suspect. Nothing invented reaches you unflagged.

Jurisdiction is respected

Erin detects the jurisdiction of your question and answers within it - India and US aware today. It will not silently answer an Indian limitation question with American doctrine.

Disagreement is surfaced

Where the law is genuinely unsettled or authorities conflict, Erin tells you so. In legal work, disagreement is signal - confidence is earned, not performed.

Tasks are treated as what they are

A sale deed, a research memo, and a client email are different disciplines. Erin handles each accordingly. How it does so is our work; what you receive is yours to judge.

03Simple to adopt

If you can call OpenAI, you can call Erin.

Full OpenAI API compatibility - streaming and non-streaming, standard SDKs in every language, existing tooling such as LangChain, LlamaIndex, and Vercel AI SDK works unmodified.

Change one line.

Swap the base URL and your application speaks legal. Keep your SDK, keep your development workflow, and test Erin against the legal tasks that matter to your product.

Request test access

04The road ahead

This is a research release.

Erin is a GLR Labs research product, and this test version is the first public step in a longer program: legal AI that ultimately runs where the most sensitive work demands it. We are releasing early, watching how real legal work exercises the system, and improving Erin continuously. Test-tier users shape what Erin becomes.

05FAQ

Questions developers and lawyers ask first.

Erin is infrastructure for legal professionals. The output is built for review.

Is Erin OpenAI-compatible?

Fully. Drop-in base_url swap, streaming included.

How does Erin work under the hood?

That's ours. Judge Erin by its outputs - send it your hardest real task and compare.

Is this legal advice?

No. Erin is infrastructure for legal professionals. Outputs are designed for attorney review, and responses include configurable disclaimers.

What about my data?

Requests are processed transiently to serve your response; test-tier requests may be used in anonymized form to improve Erin. Full details, including our subprocessors, are in the Data Policy. Enterprise tiers offer stricter guarantees.

Pricing?

The test version is free within rate limits. Production pricing will be usage-based and transparent.

Get started

Test Erin on real legal work.

Send a hard drafting, research, review, or citation task and judge the output.

Get API Key - Free Test Tier Read the Docs