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제공업체들이 만나는 곳에서 쓴 노트

2026-08-26

The Best AI Coding Models Right Now, By Job

Coding models run from $0.07 to $5.00 per million input tokens — a 70× spread. A shortlist by task, with verified prices and context lengths.

2026-08-22

The Best AI Video Models Right Now, By Job

A shortlist by task, not a ranking. Prices run from $0.002 to $0.357 per second — a 178× spread. What each tier is actually for.

2026-08-18

The Best AI Image Models Right Now, By Job

Not a ranking — a shortlist by task. The cheapest model that will do each job, from $0.003 bulk generation to precision editing. Verified prices.

2026-08-13

480p, 720p or 1080p? What AI Video Resolution Actually Costs

Resolution is the biggest lever on an AI video bill — and the cheapest provider changes depending on which tier you pick. Verified prices.

2026-08-08

AI Image Generation Pricing Compared

What one generated image actually costs, from $0.003 to $0.045 — across fal.ai, Replicate and Atlas Cloud, with the rounding trap that doubles bills.

2026-08-03

How Much Does AI Actually Cost? Three Worked Examples

What AI really costs for 10,000 product images, a chat feature at 50,000 messages a month, and 200 short videos — with the unit maths shown.

2026-07-28

Why the Same AI Model Costs Different Amounts at Different Providers

The same AI model is often listed at three different prices. Here is what actually varies — billing units, resolution tiers, run-time billing and discounts.

2026-07-21

멀티모달 AI란 무엇인가? (그리고 왜 한 모델을 뜻하는 경우가 드문가)

멀티모달은 서로 다른 두 가지를 뜻합니다. 여러 입력 종류를 읽는 모델과 그것을 만들어 내는 모델은 다르고, 둘 다 하는 경우는 거의 없습니다.

2026-07-13

컨텍스트 길이란 무엇인가? (그리고 실제로 무엇이 그것을 채우나)

컨텍스트 길이는 기능이 아니라 예산입니다. 무엇이 그것을 소모하는지, 오늘의 실제 한계는 어디인지, 그리고 자리가 떨어지면 무슨 일이 생기는지.

2026-07-06

AI 토큰이란 무엇인가? (그리고 청구서가 예상보다 큰 이유)

토큰을 쉬운 말로 설명합니다. 무엇이 토큰 하나인지, 10턴 대화가 왜 입력한 글자의 22배를 청구하는지, 그리고 출력 토큰이 왜 가장 비싼지.