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Best AI Image Generator 2026: 8 Models Compared

The best AI image generator in 2026 depends on the job. Eight hosted models compared on credits per image, resolution, and reference support, with the real math.

Correction, 2026-10-02: this page ranked models on quality we have not measured ("strongest at", "the reason it wins this category", "photoreal detail"); it now compares prices, sizes, shapes and reference limits only. It recommended Imagen 4 Fast and Midjourney V7, and we cannot currently confirm that either is working on 8frame, so neither is recommended now. It priced FLUX.2 [pro] generation by the megapixel (about 2 per extra one), but every FLUX.2 [pro] size on 8frame is about one megapixel, so it is 5 per image, and a 21:9 pick comes out as 16:9. It gave Seedream's 14 references and 6 credits without saying that is Seedream 5 Lite, while the tool opens on Seedream 5 Pro (7 at 1K, up to 10 references). It quoted GPT Image at up to 116, which is a four-image run on high; per image it is 2 on low to 29 on high for a square. It said generating at 4K is usually cheaper than upscaling, when Nano Banana 2 at 1K (11) plus a BRIA upscale (6) is 17 against 22 at 4K. And it said watermark-free work means paying someone; free tiers differ, so check each one.

Correction, 2026-10-01: we listed Smart Edit alongside the canvas editing tools and gave Topaz a 1,685-credit ceiling on its generative models. Smart Edit (33 credits) runs only through 8frame's MCP connector, and Topaz's generative models are not available on 8frame: Topaz here is a fixed 4x precision path at 11 credits per started 24-megapixel block of output, up to 281. We also put Flux Kontext at 7 to 13 credits: Kontext Max is a flat 13, but FLUX.2 [pro] edit bills by input plus output megapixels, about 7 for a 1 MP image and around 36 for a 12 MP phone photo.

Correction, 2026-09-30: we said Midjourney has no per-image price on 8frame (it is 32 credits on V8, 28 on V7), described FLUX.2 [pro] as about 5 credits per megapixel (5 for the first, about 2 per extra), capped Topaz at 281 (generative models reach 1,685), cited an earlier in-house text-rendering comparison we cannot produce, and generalised about free tiers. All fixed.

There is no single best AI image generator in 2026; there is a model that fits each job, and on 8frame the price per image runs from 2 credits to 42. Nano Banana 2 or Nano Banana Pro when you need a 4K setting. Seedream 5 Lite when the brief needs many reference images (up to 14). GPT Image 2 on low quality (2 credits) or FLUX.2 [pro] (5) when you are iterating and cost per attempt is the constraint. Flux Edit when the image already exists and you just need it changed. All of them run on one 8frame canvas off one credit balance, which is what makes picking per brief practical instead of a subscription problem.

TL;DR

Which model for which job

4K and fine detail. Nano Banana 2 (Google) is what the Nano Banana tool opens on, at 1K for 11 credits. It runs 8, 11, 17 or 22 credits per image at 0.5K, 1K, 2K or 4K, returns up to 4 images from a single run, takes up to 10 reference images and offers 4:5 and 21:9 among its 10 shapes. Nano Banana Pro is 21 credits at 1K and 2K and 42 at 4K; the picker's Standard is Nano Banana Classic at 6. Nano Banana 2 and Pro are the only image models with a 4K setting on 8frame. Before you reach for an upscaler, do the sum: a 4K image on Nano Banana 2 is 22 credits; a 1K image (11) plus a BRIA upscale (6, 2x or 4x) is 17; a 1K image plus Topaz's 4x (11, since the output stays under 24 megapixels) is 22.

Text inside the image. When the output needs legible words (a label, a headline in the frame, a sign), start with Nano Banana Pro: Google says it generates "more accurate, legible text directly in the image". Run the same prompt on GPT Image 2 for a second take, and read every result back letter by letter; generated text needs checking on every model. GPT Image 2 is priced per image by quality and shape: 2 on low, 8 on medium for a square image (6 for other shapes), and 29 on high for a square image (20 for other shapes). It opens on high, so the entry tier is cheap only once you switch to it.

Many reference images. Seedream 5 Lite takes up to 14 reference images, the most of any image model on 8frame (Nano Banana and GPT Image 2 take 10, Reve 6, Grok Image 2.0 and Qwen Image 3 take 3). It runs 6 credits, outputs at 2K or 3K and offers 8 shapes including 21:9. If a brief needs the same product, set or illustrated style across 20 images, this is the model that accepts the most material to work from; check each output against your references. The mechanics are covered in multi-reference conditioning. Seedream 5 Pro, which the Seedream tool opens on, is 7 credits at 1K and 13 at 2K and takes up to 10 references.

Cheap iteration. When you're still finding the idea, resolution and polish are spend you can save. GPT Image 2 on low at 2 credits, FLUX.2 [pro] and Seedream 4 at 5, and Seedream 5 Lite, FLUX 1.1 Pro or Grok Image 2.0 Low at 6 all cost two to six cents per attempt at credit-pack rates. Find the composition cheaply, then re-run the winner on the model and size you will deliver.

Editing rather than generating. Flux Edit changes an existing image from a prompt. On Kontext Max it is a flat 13 credits. On FLUX.2 [pro] edit, which the tool opens on, the price follows the image size, input plus output megapixels: about 7 credits for a 1 MP image, about 20 at 2048 x 2048, around 36 for a 12 MP phone photo. When a hero shot is approved and only the surface, the color, the light or the background needs to change, describe that change on the approved image instead of starting a fresh generation, and compare the result with the original before you send it. Smart Edit (33 credits) is reachable only through 8frame's MCP connector, not on the canvas.

Midjourney. Midjourney V8 is on the canvas at 32 credits per job of four images, 8 per image. V7 is still in the model picker (marked experimental, 28 credits), but we cannot confirm it is currently working on 8frame, so we do not recommend it. Whether a Midjourney subscription of your own is worth it is broken down in is Midjourney worth it.

The full roster and what an image costs

Credits per image, from the 8frame model registry, checked 2026-10-02. One credit is about a cent at credit-pack rates.

Model Credits Tiers and limits Worth knowing
Nano Banana 2 (Google) 8 / 11 / 17 / 22 0.5K / 1K / 2K / 4K, up to 4 images per run, up to 10 references What the Nano Banana tool opens on (1K, 11); 4K setting
Nano Banana Pro (Google) 21, or 42 at 4K 1K / 2K / 4K, up to 10 references 4K setting; Google pitches it for legible text
Seedream 5 Pro (ByteDance) 7 at 1K, 13 at 2K Two resolution tiers, up to 10 references What the Seedream tool opens on
Seedream 5 Lite (ByteDance) 6 2K or 3K, up to 14 references, 8 shapes including 21:9 The most references on 8frame
Seedream 4 (ByteDance) 5 Previous generation, still hosted Same price as FLUX.2 [pro]
Imagen 4 (Google) 4 / 8 / 12 Fast, Standard, Ultra Still in the picker, but we cannot confirm it is working on 8frame: not recommended
FLUX.2 [pro] (Black Forest Labs) 5 Every size about one megapixel; a 21:9 pick comes out as 16:9; no reference images One flat price per image
FLUX 1.1 Pro (Black Forest Labs) 6 One reference image One flat price per image
Grok Image 2.0 (xAI) 6 to 15 9 at 1K (the default), 6 at 1K Low, 11 at 2K; up to 3 references, each adding 1 or 2 Offers 2:1 and 1:2 shapes
Reve 2.1 34 Same price to generate, edit or remix; up to 6 references One price for all three modes
GPT Image 2 (OpenAI) 2 to 29 Low 2, medium 8 (6 for other shapes), high 29 (20 for other shapes); up to 4 images per run, up to 10 references Opens on high quality
Midjourney V8 32 per job of four 8 per image V7 (28) not recommended: we cannot confirm it is working

Two things stand out. First, per image the roster runs from 2 credits (GPT Image 2 on low) to 42 (Nano Banana Pro at 4K), and the setting moves the price as much as the model does: GPT Image 2 runs 2 to 29 on quality and shape alone, Nano Banana 2 runs 8 to 22 on size. Second, a model can be one of the dearer ones at its default and the cheapest at its bottom setting: GPT Image 2 opens on high (29 for a square image) and costs 2 on low.

What each tool starts on before you change anything, and what that costs, is in AI image default settings by model.

The cheap path: about 165 to 500 images on a $19 plan

The Starter plan is $19 a month for 1,000 credits, and unused credits roll over while the subscription is active. Run that through the entry tiers:

Generation on 8frame needs a paid plan; signing up gives you no credits. Every output is watermark-free on every plan, including Starter. If your comparison set is free tools, read best free AI image generators first, and check each free tool's daily caps, watermark and licence terms on the vendor's own pricing page.

Finishing is where credits quietly go

Generation is often not the whole bill. Budget for the pass after it.

Topaz upscaling starts at 11 credits per started 24-megapixel block of output and scales with output size, up to 281 (8frame runs Topaz's fixed 4x precision path); BRIA Increase Resolution is a flat 6 for 2x or 4x, up to 8192 x 8192. Decide early whether you'd rather generate at 4K on Nano Banana or generate small and upscale. Background removal (12 credits), Relight, Retexture and Restore+ are all on the same canvas and the same balance. Flux Edit (a flat 13 on Kontext Max, about 7 on FLUX.2 [pro] edit for a 1 MP image and more for larger ones) is the one to reach for when you can describe the change in a sentence.

A chain that keeps costs down: a cheap model to find the composition, the model and size you will deliver to render the winner, Flux Edit for variants, and an upscale only if the delivery spec demands it. For product shots, see best AI for product photography; for Nano Banana, Seedream and FLUX side by side, with a test prompt to run yourself, see Nano Banana vs Seedream vs Flux. Nano Banana 2 and Seedream 5 get a direct comparison in Nano Banana 2 vs Seedream 5.

FAQ

What is the best AI image generator in 2026?

It depends on what the brief needs, and we have not ranked the models on quality. For a 4K setting, Nano Banana 2 or Pro. For many reference images, Seedream 5 Lite (up to 14). For words in the frame, start with Nano Banana Pro, which Google pitches for legible text, test GPT Image 2 on the same prompt, and read every word back. For the cheapest drafts, GPT Image 2 on low (2 credits) or FLUX.2 [pro] (5). Running one brief through several models on the same canvas is the way to choose.

What is the cheapest AI image generator?

On 8frame, per image: GPT Image 2 on low quality at 2 credits, FLUX.2 [pro] and Seedream 4 at 5, Seedream 5 Lite, FLUX 1.1 Pro and Grok Image 2.0 Low at 6. At credit-pack rates that's two to six cents an image, and 1,000 credits on the $19 Starter plan covers about 165 to 500 of them. Whether the output works for your brief is something to check on your own prompt.

Do AI image generators add a watermark?

It depends on the tool and the plan, so check each tool's own pricing page. 8frame does not add one, on any plan including the $19 Starter.

Sources


Every model above is on the same canvas and the same credit balance, so you can put four of them on the same brief and compare before you commit. Plans start at $19 a month.

Try it without signing up: the 8frame canvas opens on a real board. The canvas is free and unlimited; generation is paid from $19/month.

Written with AI assistance. Corrections are noted on the page. Editorial policy

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