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Weflayr closes $2.5M pre-seed round led by 13books Capital to build AI inference routing layer. The Paris-based startup will expand engineering teams and scale across Europe and the U.S.

PRIVATEOct 25, 2026

Amount Raised

$2.5 Million

Round Type

Pre-Seed

ParisSoftwareArtificial IntelligenceMachine Learning

Investors

Roxanne VarzaStation F VenturesPlug And PlayKima VenturesFounders Future13books Capital

Description

Weflayr, a Paris-based AI infrastructure startup, has closed a $2.5 million pre-seed funding round led by 13books Capital with participation from Founders Future, Kima Ventures, Plug and Play, Station F Ventures, and General Catalyst scout Roxanne Varza. The company provides AI companies with intelligent model evaluation, selection, and routing capabilities, benchmarking models against production data to optimize for quality, speed, and cost. Weflayr's technology has demonstrated 55% inference cost reductions at equivalent quality in early deployments. The funding will support expansion of engineering and AI research teams and growth across Europe and the U.S.

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Company Information

Company

Weflayr

Location

Paris, Ile De France, France

About

Weflayr is a Paris-based startup that provides an intelligent AI inference routing layer, enabling companies to evaluate, select, and route AI models with full control. The platform benchmarks models against production data, allows teams to approve trusted models, and matches requests to similar previously benchmarked calls while linking decisions to costs and margins. Their technology has demonstrated the ability to cut inference costs by over 55% at equivalent quality or deliver significantly higher quality at the same cost.

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Weflayr raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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