AI Tools
Free ChatGPT Alternatives in 2026
Looking for a free alternative to ChatGPT? The good news is you no longer need to pay for quality AI. In this guide, we break down the best...
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PRODUCTION-READY
Practical LLM engineering notes: reliability, RAG, cost, security
We provide two things: Production-Grade Blueprints for your team to implement, and Expert Consulting when you need us to build it for you.
kernelstack ~ architecture
> Booting LLM runtime...
> Loading retrieval + eval harness...
> Warming caches (embeddings / prompts) ...
Modules Status
RAG_Pipeline READY
Evals_Gate READY
Guardrails READY
Observability READY
> System ONLINE. Awaiting input. _
Latest Blueprints
Technical deep dives and reference architectures.
Infrastructure
April 11, 2026
Why AI Agents Fail Silently In Production
Most AI agent failures don’t look like failures. The task completes, the output looks correct, and nothing triggers an alert but underneath, the agent...
KernelStack
4 min read
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Infrastructure
April 3, 2026
Agents Are Not APIs: Why They Need Control Planes
Most teams treat AI agents like APIs and that’s why they fail in production. Agents are multi-step, probabilistic systems that require orchestration, evaluation, and...
KernelStack
4 min read
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Engineering Services
Expert consultancy for teams moving from prototype to production.
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Workflow Audit
Deep dive review of your current RAG pipeline, prompt chains, and evaluation metrics.
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Build Sprint
2-week intensive implementation sprint to ship a specific feature or fix a bottleneck.
engineering
Retainer
Ongoing advisory and code review for engineering teams scaling LLM products.