Inferact vs Infracost
Side-by-side comparison of AI visibility scores, market position, and capabilities
$150M seed at $800M valuation in Jan 2026, led by a16z and Lightspeed. Commercializes the open-source vLLM inference engine for enterprise LLM serving.
About
Inferact commercializes vLLM, the most widely used open-source LLM inference engine, for enterprise deployments. The company provides a managed platform, premium performance optimizations, and enterprise support around the open core, targeting teams that need high-throughput, cost-efficient inference at production scale.
SF cloud infrastructure cost management for engineers showing AWS/GCP costs in pull requests before deployment; YC W21 $17.2M at 3,500 companies including 10% of Fortune 500 competing with CloudHealth for FinOps.
About
Infracost is a San Francisco-based cloud cost management platform — backed by Y Combinator (W21) with $17.2 million raised including a $15 million Series A led by Pruven Capital with Insight Partners in November 2025 — providing engineers with real-time infrastructure cost visibility during the development workflow, surfacing estimated cloud costs directly in pull requests before code is merged to production. Serving 3,500+ companies including 10% of the Fortune 500, Infracost integrates with Terraform and infrastructure-as-code workflows to calculate and display the monthly cost impact of infrastructure changes at the point in the workflow where engineers can still make cost-aware decisions.
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