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Lanternfish Labs

VerifiedRaising Series B+

Research lab building methods to oversee and verify AI systems more capable than the people supervising them

4.0(4 reviews)Superintelligence researchMontreal, Canada3 followers

Overview

Problem

As models get better at long, multi-step tasks, human reviewers can no longer check every step, and most evaluations test what a model says rather than what it is doing internally. Developers already ship systems whose failure modes are found by users weeks after release. There is no reliable, shared method for confirming that a much more capable system is pursuing the goal it was given.

Solution

Lanternfish trains its own research models up to mid-frontier scale so it can study oversight with full access to weights and training data. Its work covers interpretability (mapping internal features to behaviours), scalable oversight protocols in which weaker models and humans check stronger ones, and pre-deployment evaluations for deception and goal drift. Methods and benchmarks are published; tooling is licensed to other developers.

Target market

Frontier model developers, public AI evaluation bodies and enterprises deploying autonomous agents; spending on safety evaluation and assurance is small today but grows with each new requirement for pre-deployment testing.

Business model

Multi-year research and tooling licences for model developers (US$2M–US$15M a year), paid evaluation engagements before major releases, and grant-funded open research.

Demo and media

Team

  • Élise TremblayCEO and co-founder
  • Samuel AdjeiChief Scientist and co-founder
  • Mei-Lin ZhouHead of Interpretability
  • Rohan MehtaHead of Evaluations

Traction and funding

  • Researchers84
  • Papers published37
  • Licensing partners5
  • Compute secured11,000 GPUs
Current roundSeries B+, raising US$450MPrevious: Seed US$12M (2021), Series A US$60M (2022), Series B US$210M (2024)

Reviews and ratings

Write a review
4.04 reviews
  • 5 stars1 reviews
  • 4 stars2 reviews
  • 3 stars1 reviews
  • 2 stars0 reviews
  • 1 star0 reviews
Sub-scores
Product
4.3
Team
4.8
Potential
4.5
  • Kenji Watanabe
    Investor

    Excellent research, unclear path to covering compute

    The science is strong and the team is exceptional. My hesitation is economic: five licensing partners and evaluation fees are a fraction of what 11,000 GPUs cost, so the lab depends on large rounds for years. Before buying in on the secondary market at Series C prices, I need a clearer plan for how licensing grows.

    Reply from Élise Tremblay, CEO

    Research compute is budgeted separately from commercial targets, and we can share the licensing pipeline and how the budget scales under each scenario.

  • Layla Haddad
    Industry observer

    Filling a gap that will only get wider

    Few independent groups can evaluate a model before release with access to internals, and demand is growing as more developers commit to pre-deployment testing. Lanternfish's findings reports are specific: severity, reproduction rate and the transcripts behind each claim. Clients weighing labs like this ask us how independence from paying partners is protected, and a published conflict policy would settle it.

  • Hannah Lindqvist
    Investor

    Serious lab, serious capital needs

    Élise and Samuel run the lab like a research institution with a product arm, and the licensing partners treat the tooling as essential before releases. The pre-deployment evaluations are the clearest commercial line. The scale of the compute budget means this round is about conviction in the mission as much as near-term revenue.

  • Ravi Menon
    Industry observer

    Some of the most careful oversight work being published

    Their debate protocol paper is one of the few that reports cost per task next to accuracy, which is what anyone deploying oversight actually needs. Training their own models means the interpretability results come with full training data, not guesses about a black box. The negative results they publish are as useful as the positive ones.

    Reply from Élise Tremblay, CEO

    We publish the negative results on purpose; the v2 protocol taught us more by failing than v3 did by working.

Testimonials

Coming soon. Testimonials are invited by the founder and shown separately from open reviews.

Updates

Coming soon. Follow Lanternfish Labs to hear about product and funding updates when this launches.