Which AI Image Model to Use for What (September 2026)

Which AI Image Model to Use for What (September 2026)

September 17, 2026•6 min read

The question I get more than any other is not "which image model is best." It is "which image model is best for this," and the honest answer changes depending on what you are pointing the camera at. Faces want a different model than products. Products want a different model than an imaginary world. Nobody wins every category, whatever the marketing says.

Here is the matrix I actually use, job by job, as of September 2026, and where one model that used to be the default has quietly fallen out of the rotation.

Faces and photoreal UGC: GPT Image 2

If the shot lives or dies on a believable human face, generate it in GPT Image 2. It holds the highest likeness from a single reference of anything I use, and it is the model I reach for on realistic, UGC style content generated straight from text. The trade is that faces can come out slightly over-textured, a bit too much grain and sharpness in the skin, so if a face looks harsher than you want, Seedream 5 is the fallback that softens it.

Character sheets: it depends what the character is going into

Both GPT Image 2 and Seedream 5 make good character sheets, and the choice comes down to where that character is headed. GPT Image 2 gives you the highest raw consistency, the safest pick for UGC and realism work. Seedream 5 tends to hold the mood of the source image, the sweat, the glossiness, the lighting of the scene the character was pulled from, so a sheet built in Seedream feels like it belongs to a cinematic shot rather than a studio photo. If your hero shot came from a graded, moody frame, build the sheet in Seedream so that feeling survives. If you are starting from nothing and need the most reliable likeness, GPT Image 2.

Object sheets and on-product text: GPT Image 2, no contest

This is the one category where the gap is not close. GPT Image 2 has the highest text fidelity of any image model I use, and the strongest understanding of where an object should physically sit in a space. For a product sheet, a label, a sign, anything a client will actually read in the final render, build the first frame in GPT Image 2. Give it a scale anchor too, something recognisable next to the product, because every image model is fighting its own training data on size and a Coke bottle next to your product does more to lock proportions than another paragraph of description.

Editing an existing image: Seedream 5 Pro, never GPT Image 2

GPT Image 2 is a create model, not an edit model. Re-edit an image with it and the background goes mushy, noisy, sometimes pixelated, and it gets worse with every pass. If you need to change an angle, swap an outfit, or adjust a scene you already generated, that job belongs to Seedream 5 Pro, which handles editing, spaces, and cinematic film grain without degrading the source.

Cinematic hero shots and open spaces: Grok Imagine, with Seedream close behind

For a hero shot with real grade and film feel, Grok Imagine, specifically Imagine 2 on the Grok site where you get Photoshop-style layers, produces some of the most film-like results I get from any model. It is fast too, among the quickest generations of anything in the stack. The limit is complexity. Give Grok a simple, open location and it excels. Give it a scene with a lot of specific objects, a complicated product, a lot going on, and it starts to lose the plot. That is Seedream's lane, the middle ground between GPT Image 2's precision and Grok's cinematic push, strong on both editing and on spaces with real detail in them.

Stylised and non-human characters, and building a unique world: Midjourney

Anything that does not exist, a spider with glasses who needs to read as a character and not a person in a costume, an invented world, a hero shot with a look nothing else can match, that is Midjourney's job and nothing else comes close. Grok will drift a non-human character back toward a human face. Midjourney holds the imagination. I have found fresh characters built straight in Nano Banana, GPT Image 2, or Seedream tend to feel very generic, so for anything that needs to feel designed rather than default, build the base character in Midjourney first, then carry it into GPT Image 2 or Seedream for the sheet. Midjourney only lives on its own platform, not inside Higgsfield or Magnific, so budget for the separate subscription if this is your lane.

Where Nano Banana Pro still fits, honestly

Nano Banana Pro was the default for nearly everything a year ago. It is not anymore. It is no longer in my workflow at all for most jobs, and I use it less and less by the month. I have run it side by side against GPT Image 2 generating straight from text and it comes back looking artificial, so I never use Nano Banana for text to image work now. The remaining use case is narrow but real, sticking to a style you already have and reiterating an angle, or removing something from an image you are not regenerating from scratch. For anything built from text, faces, characters, products, spaces, there is now a better model for the job above.

Locking one look across a whole project

The job-by-job matrix above only holds together if every asset shares a grade. The method I use starts outside any image model entirely, on a site like ShotDeck, where you can pull the actual camera body, lens, and colour grade a real film frame was shot on. Hand that reference, and the technical data with it, to Claude, and ask it to write the prompt in whichever model's language you are working in. That is how a character sheet, a product shot, and a location built across three different image models still read as one world when they land in the same edit.

Common questions

What is the best AI image model overall in 2026?

There is not one. GPT Image 2 for faces, UGC, and anything with text. Seedream 5 Pro for editing and cinematic spaces. Grok Imagine for cinematic hero shots. Midjourney for stylised or non-human characters and unique worlds. Pick by job, not by habit.

Is Nano Banana Pro still worth using?

Only for style-stick edits, small angle changes, and removing something from an image you already like. For anything generated from text, a better specialist model exists now, and I have watched it lose that role over the course of this year.

Which model should I use for product photography and packaging text?

GPT Image 2. It has the highest text fidelity of any model I use and the best understanding of where an object sits in physical space.

Can I edit an image with GPT Image 2?

Technically yes, but every re-edit degrades it, the background goes soft and noisy. Generate fresh in GPT Image 2 and do all editing in Seedream 5 Pro instead.

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Rourke Sefton-Minns

Rourke Sefton-Minns

AI creative educator and founder of GenHQ, the paid community teaching the AI video, image and film workflows brands pay for, plus how to price the work and land clients.

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