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vLLM vs SGLang: How to Pick an Inference Engine

vLLM vs SGLang: How to Pick an Inference Engine

vLLM uses PagedAttention and hash-based prefix caching. SGLang uses a radix tree. That one difference decides which engine suits your traffic, and it is not something a benchmark run on someone else's GPUs can tell you.
John Karpentar AI 6 min read
LiteLLM vs OpenRouter: Which LLM Gateway Wins?

LiteLLM vs OpenRouter: Which LLM Gateway Wins?

LiteLLM is an MIT-licensed gateway you self-host. OpenRouter is a hosted service charging 5.5% on credits and 5% on BYOK above allowance. They are not the same category. Here is the decision table, the real pricing, and which one to put in front of your app.
John Karpentar AI 6 min read
Claude Code vs GitHub Copilot: Pricing and Verdict

Claude Code vs GitHub Copilot: Pricing and Verdict

Copilot starts free and at $10/month with 30+ models. Claude Code has no free tier and starts at $17/month, but runs as an autonomous terminal agent. A sourced comparison of pricing, AI credit limits, agent capabilities and security posture.
John Karpentar AI 7 min read
Top 7 eVTOL Companies Building Air Taxis in 2026

Top 7 eVTOL Companies Building Air Taxis in 2026

Joby, Archer, EHang, Beta, Vertical Aerospace, Eve and Wisk compared on certification progress, capital and aircraft capability - with Archer's Boeing deal reshaping the field.
John Karpentar Roundups 11 min read
Top 7 Observability and APM Tools in 2026

Top 7 Observability and APM Tools in 2026

Datadog, Grafana, Dynatrace, Splunk, New Relic, Chronosphere and Honeycomb compared on coverage, OpenTelemetry support and what each one actually costs.
John Karpentar Roundups 11 min read
Top 7 API Security Platforms in 2026

Top 7 API Security Platforms in 2026

For platform and AppSec teams choosing a vendor in 2026: the seven API security platforms that matter, what each actually does underneath the AI repositioning, and where each one falls down.
John Karpentar Roundups 12 min read
Top 7 Legal AI Platforms for Law Firms in 2026

Top 7 Legal AI Platforms for Law Firms in 2026

For general counsel, law firm innovation leads and legal ops teams deciding where to spend a 2026 budget: the seven legal AI platforms that matter, what each actually does, and where each one falls down.
John Karpentar Roundups 12 min read
Top 7 Earth Observation Companies in 2026

Top 7 Earth Observation Companies in 2026

Commercial satellite imagery finally has real revenue behind it, and it is coming from governments buying sovereign eyes in the sky. Planet, Vantor, ICEYE, Airbus, BlackSky, Umbra and Satellogic compared.
John Karpentar Roundups 10 min read
Top 7 CNAPP Platforms for Cloud Security in 2026

Top 7 CNAPP Platforms for Cloud Security in 2026

The category consolidated hard this year, and the biggest name in it now belongs to a hyperscaler. Wiz, Cortex Cloud, CrowdStrike, Defender for Cloud, Sysdig, Orca and Upwind compared on coverage, deployment and price.
John Karpentar Roundups 11 min read
Las Vegas Becomes the Robotaxi Stress Test

Las Vegas Becomes the Robotaxi Stress Test

How Nevada regulators authorized up to 7,000 robotaxis in a single county - and turned Clark County into the first market where supply stops being the excuse.
John Karpentar Deep Tech 5 min read

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