Tsuga raises $35m to keep AI-era observability inside the customer’s own cloud
The Paris startup, founded by two former Datadog hands, wants to end the per-byte pricing model just as AI workloads make telemetry explode.
Tsuga, a Paris startup building observability software for the age of AI agents, has raised a $35m Series A, a round that arrives barely six months after it came out of stealth and pitched itself against the very category its founders once helped build.
The round is led by Singular, with General Catalyst returning, both of which had backed Tsuga’s $10m seed in December 2025. They are joined by new investors DST Global and Quantumlight, with Picus and Databricks also taking part.
That brings the company’s total raised to about $45m in roughly half a year, a pace that says as much about investor appetite for AI infrastructure as it does about Tsuga itself.
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