How to Compare Image Generators for a Real Creative Task
3 min read Updated
The comparison that matters is anchored to your task, not the vendor's spec sheet. Before opening any tool, settle five fields in plain language: the concrete subject; the audience and use (hero banner, social post, concept art, mockup); mood and lighting; framing (square, portrait, or landscape); and the deliverable spec (one hero still, a set of variants, a short clip). If the brief includes rendered text, note it now, because text accuracy becomes one of your review checks. Every prompt you write after that gets judged against this brief, not against whatever looks good in the moment. Then run each candidate through the same five dimensions, and only the same five:
- Actual task results. Generate the identical brief on each tool and judge the output at the size you'll actually use it, not at thumbnail. Walk a fixed checklist: subject match (right object, right count, right orientation), composition that crops cleanly to target dimensions, required text legible and correctly spelled, style holding across the frame, and the intended feeling reading clearly to someone who hasn't seen the brief.
- Editing. Can you revise a result without starting over? Check whether the tool documents prompt-based regeneration or image editing; for iterative work, editability often matters more than first-pass quality.
- Text accuracy. If your task has words in it, test that specifically rather than assuming the rest of the frame carries it.
- Usage rights. Read what the vendor's own terms say about who owns the output and what it may be used for. Feature documentation establishes scope, not ownership, and copyright exclusivity or blanket legal safety is a claim no landing page settles.
- Current cost. Distinguish real economics from sticker price. On SentX, media generation requires sign-in. The current pages document a registered Free account with three images and one 480p video of up to five seconds, each once per account; further media draws from a wallet unless an eligible Plus image allowance applies. Plus displays USD 20 monthly or USD 199 yearly and includes ten images each paid billing cycle, with no video allowance. The public pricing page does not show your account's wallet balance — sign in to confirm it. Those figures are SentX's, not a market standard; for any other tool, check its own live pricing page.
Apply the same criteria and the same check date to every option, and note when a number was true; pricing and allowances shift, so today's figures expire. Be clear about who is selling you the answer. This is written from inside SentX, so its capabilities and prices here come from its own pages, not independent validation. Where I point to Adobe Firefly, I am citing its feature documentation — text-to-image generation, image editing, and integration with other Adobe creative tools — not a head-to-head quality test, which has not been run. Vendor positioning is an attributed claim, not proof.
Source: Adobe Firefly overview
No amount of reading produces a quality ranking. Output fidelity, style consistency, and how a tool handles your specific subject are measured, not marketed. The framework gets you to a shortlist and a fair test; only generating your own brief on each tool turns that into a decision. The result is a candidate, not a finished asset — some frames will take an editor pass, and some will be rejected.
One last condition that affects where client work goes: check each tool's privacy policy for how submitted prompts and uploads are handled. SentX's published privacy policy says submissions are not confidential, that retained interaction representations can enter shared memory, and that submitted information can influence other users' interactions; account deletion does not promise removal of material already incorporated into shared memory or model weights. Keep unreleased specs, brand assets, and client names out of the prompt regardless of which tool wins.
Sources
- SentX SI Image Generator — SentX
Supported claims and limits
- Live page checked: text prompts describe subject, style, mood and framing; users revise prompts and regenerate. Square, portrait and landscape image formats are documented.
- Concept art, mockups and social graphics are documented uses; the page states use of images is subject to its Terms. It establishes neither exclusive copyright nor output fidelity. Sign-in requirements are documented separately on the access page.
- Adobe Firefly overview — Adobe
Supported claims and limits
- The official overview documents generation of images from text, image editing, text/video and image/video workflows, and integration with other Adobe creative tools.
- This is feature documentation. No comparative quality test, price comparison, or blanket legal safety for every output was conducted.
- SentX access and media allowances — SentX
Supported claims and limits
- Live page checked: anonymous chat starts without signup; registered Free access has a higher chat allowance and account history. Media generation requires sign-in.
- A registered Free account includes three images and one 480p video of up to five seconds with no reference-video input, each once per account; these allowances do not reset. Plus includes 10 images each paid billing cycle and no video allowance. Further media uses the wallet.
- The page says memory is selective and important task details should be restated. It does not establish superiority over another assistant.
- SentX pricing and plan scope — SentX
Supported claims and limits
- The pricing page shows Free at 10 messages a day and Plus at 200 messages a day for USD 20 monthly or USD 199 yearly. These registered-plan limits are separate from anonymous access.
- Plus includes 10 images each paid billing cycle; videos use the wallet after the free allowance. API usage is billed separately.
- SentX Privacy Policy — SentX
Supported claims and limits
- The published policy says submissions are not confidential, retained interaction representations can enter shared memory, and submitted information can influence other users interactions.
- Account deletion does not promise removal of material already incorporated into shared memory or model weights. This is a description of the published policy, not a legal conclusion or tested deletion guarantee.