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Top 7 Silicon Photonics Companies in 2026

Top 7 Silicon Photonics Companies in 2026

Co-packaged optics is shipping and Marvell just bought Celestial AI for $3.25B. We compare the seven silicon photonics companies that matter in AI data centers on specs, funding and who is actually in production.
John Karpentar Roundups 10 min read
Top 7 Cloud Cost Management Tools for FinOps in 2026

Top 7 Cloud Cost Management Tools for FinOps in 2026

IBM Cloudability, CloudHealth, Flexera One, Vantage, CloudZero, Finout and Kubecost, ranked on cost allocation, verified FOCUS support and what they actually cost. Only one publishes real self-serve pricing, and CloudHealth is not dead.
John Karpentar Roundups 15 min read
Top 7 Vulnerability Management Tools in 2026

Top 7 Vulnerability Management Tools in 2026

Tenable, Qualys, Rapid7, Microsoft Defender, Wiz, Greenbone and Nucleus Security, ranked on detection breadth, documented risk scoring and real pricing. Rapid7 folded InsightVM into Exposure Command and Google closed its $32B Wiz deal in March 2026.
John Karpentar Roundups 15 min read
Ollama vs llama cpp: Which Should You Use?

Ollama vs llama cpp: Which Should You Use?

Most pages ranking for this question are stale. Verified against both repositories: Ollama v0.35.0 still pins and runs llama.cpp's llama-server, only about 80 nightly builds behind upstream, plus its own MLX engine on Apple Silicon. Here is which one you should actually use.
John Karpentar AI 9 min read
K3s vs K8s: Is K3s Production Ready in 2026?

K3s vs K8s: Is K3s Production Ready in 2026?

Every K3s vs K8s comparison on page one is published by a vendor with a stake in the answer, including SUSE, which owns K3s. Here are the verified October 2026 numbers: v1.37.0 shipped 19 days after upstream, the real footprint, the two-item removal list, and a clear verdict.
John Karpentar Cloud 9 min read
A100 vs H100: Specs, Price and Which to Pick

A100 vs H100: Specs, Price and Which to Pick

Every A100 vs H100 comparison ranking on Google is published by a company that rents you GPUs. Here is a neutral one, built from NVIDIA datasheets and MLPerf results: the real dense-precision specs, the 1.7-4.3x speedup range, verified hourly pricing, and a straight verdict.
John Karpentar Chips 8 min read

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