Why agent harnesses need fast decisions
Latency compounds inside agent loops; fast decision layers make routing and gating affordable.
TenthMatrix Insights
A living engineering knowledge base for the AI era
Articles, reproducible benchmark methodology, architecture diagrams and model-selection guidance for engineers, architects and technical leaders. Not a product announcement blog — an independent editorial lab.
The Jev series
Series: Jev & the next generation of AI automation
Ten chapters that investigate specialised decision models, agent harnesses, routing, safety and the changing economics of inference — without treating vendor headlines as independent facts.
- 01What Is Jev?A plain-language map of System One decisions vs text generation.
- 02System One vs LLMsWhere each class of model earns its keep.
- 03Why Agent Harnesses Need Fast DecisionsLatency compounds inside the agent loop.
- 04Building a Jev Agent HarnessTenthMatrix’s reference architecture for planners, routers and gates.
- 05Jev Benchmark LabMethodology, cited results and interactive charts.
- 06Model RoutingWhen intelligent routing helps — and when it does not.
- 07AI Guardrails & Tool SafetyAllow / deny / escalate before the tool runs.
- 08The Model Selection ManualEvergreen workload-based selection, not a best-model ranking.
- 09How AI Models Are EvolvingSpecialisation, orchestration and economics — not only scale.
- 10The Future of AI AutomationWhat cheaper intelligence unlocks — and what still breaks.
Labs & evergreen guides
Hands-on surfaces that stay versioned as models change.
Long-form
Jev and the new AI stack
5,000+ word engineering deep dive with architecture, citations and limitations.
Lab
Interactive benchmark dashboard
Compare systems by metric with source kind filters.
Guide
Model selection matrix
Map workloads to candidate model types and key metrics.
Timeline
Model evolution
From LLMs to composable AI systems with dated sources.
All insights
Every article in the publication, newest first.
AI guardrails and tool safety
Put allow / deny / escalate in front of shell, deploy, delete and data-mutating tools — and measure false negatives like production incidents.
How AI models are evolving
A living TenthMatrix guide to the shift from monolithic LLMs toward tools, reasoning, agents, routers and specialised decision models.
How to choose the right AI model
An evergreen TenthMatrix manual for selecting models by workload — intelligence, latency, cost, tools, calibration and risk — without fake “best model” rankings.
Building a Jev agent harness
TenthMatrix’s reference architecture for planners, fast decision layers, routers, tool gates and evaluators — inspired by public LangChain patterns, implemented as our own design.
The future of AI automation
What happens when decision intelligence gets dramatically cheaper — and which engineering disciplines become mandatory.
Jev Benchmark Lab guide
How TenthMatrix structures suites, source kinds, reproducibility packs and non-claims.
Jev & the next generation of AI automation
An independent TenthMatrix series on System One models, agent harnesses, routing, safety and inference economics — with citations, not cheerleading.
Jev and the new AI stack: why the future of agents may be more than just bigger LLMs
A TenthMatrix long-form investigation of System One models, harnesses, routing, safety, RAG judgement, benchmarks and model selection — with strict attribution.
Model routing
How to build and measure routers that send simple work to cheap models and hard work to expensive ones — without assuming the router helps.
System One vs LLMs
Complementary roles for generative models and decision models in production AI systems.
What is Jev?
A TenthMatrix field guide to TypeSafe’s System One model: structured decisions, probabilities, confidence gates, and the boundaries engineers should respect.
What AI Insights covers
A technical publication spanning the stack builders actually ship.
- AI models & LLMs
- Reasoning models
- AI agents & harnesses
- MCP
- Model routing
- AI automation
- RAG & vector databases
- Inference economics
- Evaluation
- AI security
- AI infrastructure
- Autonomous software development
- Emerging AI architectures
Connect Insights to the TenthMatrix ecosystem
Read the research, then jump into agents, apps and jobs.