Two vendors at a time, on one column

A pair gets a page when two vendors answer the same column in opposite directions, or when the distance between their answers is large enough to change a decision. Two vendors that happen to say the same thing are one finding, not a comparison. As of 2026-09-22.

1What makes a pair worth reading

The main grid is built for scanning: seventeen rows, four columns, one glance. What it cannot do is hold two answers up against each other long enough to show why they differ, and the mechanism behind a difference is usually the part a reader can act on.

So each page here takes one column and two vendors, quotes both, and says what the gap consists of. Sometimes it is a price. More often it is a shape: a condition attached to an avatar rather than a plan, a threshold measured in a customer's own accounts, a permission filed in a help article rather than in the terms.

Nothing on these pages ranks the two. A cheaper crossing point is not a better product and a written exclusion is not a worse one, and the page stops at what each document says and what follows from the difference.

2Pairs that were considered and left out

Two vendors both publishing no free plan look like a pair and are not one: the finding is identical on both sides, so a page comparing them would be the same cell printed twice. The same goes for the nine rows silent on ownership, where the silence is the column's normal state.

A pair also needs both answers to come from documents that can be quoted. Where one side is a reading established by an absence and the other is a written sentence, that asymmetry is worth a page; where both sides are absences, there is nothing to set beside anything.

3Compared on free tier

• LTX and Leonardo — LTX Studio calls its free plan personal use and excludes promotional activity, while Leonardo.Ai lets free users download generations for commercial usage.
• Fliki and Higgsfield — Fliki states that its free plan carries no commercial rights to media, while Higgsfield says commercial rights follow from its terms for every user.
• Kling and Higgsfield — Kling AI's free plan omits the commercial-use line every paid card carries, while Higgsfield states that the rights cover all users including free ones.
• Pika and Fliki — Pika's free plan and its eight dollar plan both omit commercial use, while Fliki states in words that its free plan carries no commercial rights to media.

4Compared on commercial use from

• Kling and Luma — Kling AI names commercial use from ten dollars a month and Luma from thirty, the two ends of the priced range in this register.
• Pika and Higgsfield — Pika includes commercial use from its third plan at twenty-eight dollars, while Higgsfield says there is no such licence to buy at any price.
• Runway and Hunyuan — Runway grants commercial use to its paid plans as a group, while the Hunyuan licence excludes the EU, the UK and South Korea from the territory it covers.
• Wan and Stable Video — Wan publishes its weights under Apache 2.0 with no threshold, while the Stability licence stops covering commercial use above a revenue figure.
• Hunyuan and Stability — The Hunyuan licence stops at a hundred million monthly active users while the Stability licence stops above a million dollars of annual revenue.
• HeyGen and Firefly — HeyGen keeps its commercial permission in an article about exporting a video, while Adobe puts a claim about its models where a plan grant would sit.
• Synthesia and Fliki — Synthesia rules out paid promotion with a stock avatar whatever the plan, while Fliki grants a commercial licence to all content on any paid plan.
• Kling and Synthesia — Kling AI prints the commercial-use line on every paid membership, while Synthesia sets the limit by the avatar in the video and no plan marks it.
• Luma and HeyGen — Luma lists commercial use on a thirty dollar plan, while HeyGen grants it for videos generally in a help article without naming any plan.
• Firefly and Hunyuan — Adobe rests its commercial claim on licensed and public domain training content, while the Hunyuan licence excludes three jurisdictions from its territory.
• Runway and invideo — Runway and invideo AI both grant commercial use to the paid plans, but only one of them has a free tier sitting underneath that wording.
• Pika and Kling — Kling AI attaches commercial use to its first paid membership while Pika attaches it to the third plan, leaving one paid plan outside the licence.

5Compared on what is owned

• Hailuo and Wan — Hailuo AI declines ownership of paid-plan content and grants itself a broad licence over it, while the Wan repository asks for nothing back.
• Leonardo and Stability — Leonardo.Ai gives full ownership on a private generation and keeps broad rights over public ones. Stability states ownership once, in a licence.
• Higgsfield and Hailuo — Higgsfield says it claims no ownership of inputs or outputs, while Hailuo's disclaimer is written around content generated on a paid subscription.
• Fliki and SceneMixer — Fliki says publishing rights rest with the user, while SceneMixer describes the script, shot selection and substantive edits as what a production owns.
• Leonardo and Hailuo — Leonardo.Ai retains broad rights over publicly viewable content, while Hailuo takes a worldwide licence over the content a user generates.

6Compared on input restriction

• Synthesia and Higgsfield — Synthesia attaches consent and a legal age requirement to the custom avatar route, while Higgsfield places the duty on whoever uploads a person's image.
• HeyGen and SceneMixer — HeyGen makes clean inputs the condition on its grant; SceneMixer takes a photo with the rights, and a real person only with documented consent.

Also on the grid: Products, Fields, Records, Questions, Words, Learn, Data. What makes a clause quotable is set out on the reading page.