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THE PERSONAL AI OPERATING GUIDE / 2026

The right AI.
For the right job.

Hermes, Codex, Antigravity, OpenCode, DeepSeek. Plenty of choices. One clear answer for what to use, why it fits, and how to start.

Find my setup Explore all tools
HCAOD5 ecosystems · 1 decision guide
THE SELECTION STACK SYSTEM READY
01 — INTENTYour task
INPUT
02 — EXECUTIONThe right harness
TOOLS
03 — INTELLIGENCEProvider + model
BRAIN
HARN / ROUTE ENGINE↓ Fewer wrong turns
Stay in control
✳ Know before you run
01 INTERACTIVE DECISION LAB

Let's find your best route.

Choose what you're doing. We’ll suggest a harness, a model source, and the simplest way to start.

1What are you working on?
2What matters most?
3How do you want to work?
4Budget preference
Optional: services you have access to

Installation and subscription are different. Turn these on only if your account actually has access.

Also worth considering

NEXT BEST FIT

These are rule-based suggestions, not benchmarks or live checks of your subscriptions. Existing allowances can still have quotas.

02 TOOL EXPLORER

Know your operators.

Every option has a sweet spot. Compare what each one actually does, not just its model name.

03 THE THREE LAYERS

Model ≠ Provider ≠ Harness.

Three different jobs. Once you separate them, choosing gets much easier.

01

Harness

The worker. Reads files, runs commands, follows instructions, edits code, and checks results.

Hermes · Codex CLI · AGY CLI · OpenCode · DSH
02

Provider

The connection. Gives a harness access to models under an API, a subscription, or another entitlement.

Antigravity access · OpenCode Go / Zen · API
03

Model

The brain. Understands instructions and generates responses. The harness decides which tools it can use.

GPT-6 Astra · Claude Opus · Gemini · DeepSeek

Same model, different results? Yes, potentially. Changing the harness changes the tools, context, prompts and workflow—not the model's underlying weights. This is a capability guide, not a ranking from controlled A/B tests.

04 READY-TO-RUN

Your launch pad.

Verified local CLI commands and optional tools. One click to copy, zero mystery.

One rule before you run anything.

Using a subscription through one app doesn't automatically make its API free elsewhere. Native CLI logins, OpenCode Go allowances, Zen usage charges and DeepSeek API billing are separate. Review each provider's terms, permissions and limits.

See official docs
READ MORE

Official resources

Links to the product documentation. Product models, availability and plan prices change over time.

OpenCode models Go & Zen providers DeepSeek Harness DeepSeek Web Codex CLI