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Riley Li

Data engineer building scalable pipelines and tinkering with AI-assisted workflows.

Location London, UK Joined Joined on 
Pick a Free, Paid, or Self-Hosted Agent Seat by the Lease You Can End

Pick a Free, Paid, or Self-Hosted Agent Seat by the Lease You Can End

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9 min read
A Review-Hour Gate for Free, Paid, and Local Agent Work

A Review-Hour Gate for Free, Paid, and Local Agent Work

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8 min read
A Parser Contract Before Free Agent Compute Joins the Release Path

A Parser Contract Before Free Agent Compute Joins the Release Path

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7 min read
Score a Free Agent Seat Against Paid and Self-Hosted With a Replay Card

Score a Free Agent Seat Against Paid and Self-Hosted With a Replay Card

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9 min read
Pick the Agent Seat by the Commit You Would Sign

Pick the Agent Seat by the Commit You Would Sign

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8 min read
Decide the Agent Seat by the Bundle You Can Carry Out

Decide the Agent Seat by the Bundle You Can Carry Out

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9 min read
Split Agent Work Into a Drafting Room and a Release Switch

Split Agent Work Into a Drafting Room and a Release Switch

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7 min read
Compare Free Agent Compute to a Paid Box With a Weighted Tradeoff Sheet

Compare Free Agent Compute to a Paid Box With a Weighted Tradeoff Sheet

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8 min read
Inventory What You Cannot Pin Before You Choose Free Agent Compute

Inventory What You Cannot Pin Before You Choose Free Agent Compute

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8 min read
Budget the Agent Loop Before You Choose Shared or Isolated Compute

Budget the Agent Loop Before You Choose Shared or Isolated Compute

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7 min read
Score the Host Before You Promote a Vibe-Coded Agent

Score the Host Before You Promote a Vibe-Coded Agent

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6 min read
Choose Agent Compute by Replayable Evals, Not by Spare Capacity

Choose Agent Compute by Replayable Evals, Not by Spare Capacity

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8 min read
Pass Four Fit Gates Before You Choose Free or Isolated Agent Compute

Pass Four Fit Gates Before You Choose Free or Isolated Agent Compute

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7 min read
Who Owns the Failed Agent Run? Score Free Shared Compute Against a Box You Control

Who Owns the Failed Agent Run? Score Free Shared Compute Against a Box You Control

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7 min read
Free Compute or Self-Hosted? A Break-Even Guide for Agent Workloads

Free Compute or Self-Hosted? A Break-Even Guide for Agent Workloads

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5 min read
Rank Agent Runtimes by the Contract You Can Enforce

Rank Agent Runtimes by the Contract You Can Enforce

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8 min read
Invert Non-Negotiable Constraints Before You Accept Free Agent Compute

Invert Non-Negotiable Constraints Before You Accept Free Agent Compute

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7 min read
Keep the Agent Loop Portable, Then Choose Free Shared Compute

Keep the Agent Loop Portable, Then Choose Free Shared Compute

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7 min read
Pick Agent Compute by Blast Radius, Not by the Price Tag

Pick Agent Compute by Blast Radius, Not by the Price Tag

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7 min read
Choose Agent Compute by What You Can Falsify

Choose Agent Compute by What You Can Falsify

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7 min read
Score the Agent Before You Pick the Endpoint

Score the Agent Before You Pick the Endpoint

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10 min read
Score the Lane First: Free Shared Workspace, Paid API, or Self-Hosted

Score the Lane First: Free Shared Workspace, Paid API, or Self-Hosted

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7 min read
Designing for a 10M-Token Ceiling: A Token-Budget Scheduler for Background LLM Jobs

Designing for a 10M-Token Ceiling: A Token-Budget Scheduler for Background LLM Jobs

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5 min read
A Token Bucket for Free-Tier LLM Endpoints: Rate Limiting Without a Fancy Gateway

A Token Bucket for Free-Tier LLM Endpoints: Rate Limiting Without a Fancy Gateway

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4 min read
Keep the Regex Writer Until Shadow Receipts Match

Keep the Regex Writer Until Shadow Receipts Match

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10 min read
Don't Let a Free LLM Tier Vanish: A Self-Healing Token Budget in 80 Lines

Don't Let a Free LLM Tier Vanish: A Self-Healing Token Budget in 80 Lines

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5 min read
Free Models and a Free Server: A 100-Line LLM Failover Proxy

Free Models and a Free Server: A 100-Line LLM Failover Proxy

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5 min read
Free Tokens or Your Own GPU? A Practical Fit-Test for AI Workloads

Free Tokens or Your Own GPU? A Practical Fit-Test for AI Workloads

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5 min read
Free LLM Tiers vs. Self-Hosted Inference: A Four-Score Script That Picks for You

Free LLM Tiers vs. Self-Hosted Inference: A Four-Score Script That Picks for You

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4 min read
Free Models and a Free Server: A 30-Line Budget That Lasts the Month

Free Models and a Free Server: A 30-Line Budget That Lasts the Month

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4 min read
A 60-Line Probe That Decided Between a Free Server and My Own Hardware

A 60-Line Probe That Decided Between a Free Server and My Own Hardware

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5 min read
Free LLM Tier or Self-Hosted? Three Numbers Decide, Not the Price Tag

Free LLM Tier or Self-Hosted? Three Numbers Decide, Not the Price Tag

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5 min read
Token Meters for Free LLM Tiers: Three Leaks My 150-Line Logger Caught in an Hour

Token Meters for Free LLM Tiers: Three Leaks My 150-Line Logger Caught in an Hour

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7 min read
Debugging a Flaky LLM Pipeline: Timeouts, Truncation, and a 40-Line Probe

Debugging a Flaky LLM Pipeline: Timeouts, Truncation, and a 40-Line Probe

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5 min read
Three Nights of Empty LLM Responses — and the Isolation Trick That Finally Caught the Culprit

Three Nights of Empty LLM Responses — and the Isolation Trick That Finally Caught the Culprit

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4 min read
Minimax H3 Is Having a Moment. My Prompt Set Doesn't Care.

Minimax H3 Is Having a Moment. My Prompt Set Doesn't Care.

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4 min read
A Credit-Card-Free Triage Bot for Noisy CI Logs

A Credit-Card-Free Triage Bot for Noisy CI Logs

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5 min read
Every Week a New Model Is "Cheaper and Better" — Here's the 30-Minute Harness That Settles It

Every Week a New Model Is "Cheaper and Better" — Here's the 30-Minute Harness That Settles It

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5 min read
I Stopped Reading Model Release Threads and Built a Release-Day Eval Ritual Instead

I Stopped Reading Model Release Threads and Built a Release-Day Eval Ritual Instead

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5 min read
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