TensorTest

TensorTest sells private evaluations, reinforcement-learning environments and expert-made training data to AI labs building creative agents, starting with video editing; its public TimelineBench benchmark scores agents on 56 editing jobs.

Sources:tensortest.com timelinebench.tensortest.com ycombinator.com

tensortest.com · also known as Ritivel · updated Oct 16, 2026

Evals and benchmarks RL environments Training data Human data

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Headquarters: San Francisco, United States
Sources:tensortest.com ycombinator.com
Founded: 2025
Source:ycombinator.com
Headcount: 1-10
Source:ycombinator.com
Total funding: $500K
Sources:tracxn.com cbinsights.com
Latest round: Seed, $500K, January 2026
Source:tracxn.com

Trust & data

How the vendor protects buyer material, where its data comes from, and where it can run.

Deployment: Vendor-hosted
Source:tensortest.com
Data sources: Expert or contractor-created
Source:tensortest.com
Quote
Expert or contractor-created: New jobs on commissioned footage with training rights, plus professional editors’ trajectories, preference pairs and rubrics.
Stated confidentiality practices: TensorTest says it runs a lab's unreleased checkpoint or agent on its own jobs, sends back a failure report, and keeps the results private.
Source:tensortest.com
Not publicly listed: SOC 2, Trust center, Other certifications, Exclusivity

What they sell

Offerings: Evals and benchmarks RL environments Training data Human data
Sources:tensortest.com ycombinator.com
Domains: Creative
Sources:tensortest.com ycombinator.com
Delivery formats: Managed serviceDatasets
Source:tensortest.com
Not publicly listed: Public samples & benchmarks, Named customers

Every change to these facts is kept in the public claims log. Record co_5b4a5e801fd1.