Comparisons

AI Image Generation Models Compared: GPT Image 2, Nano Banana, Midjourney, Flux, and 8 More (April 2026)

GPT Image 2 topped the Arena.ai leaderboard by 241 points on 22 April 2026. That is a record-breaking gap. But ELO is one metric. It measures general human preference in blind votes. It does not tell you which model renders text accurately, which one generates at production speed, which one costs $0.02 per image versus $0.10, or which one exports true SVG.

I compared 12 models across the dimensions that actually matter when you are choosing one for production work: quality, text rendering, speed, pricing, API access, and best-fit use cases. Here is the full breakdown.

12
Models compared
4
Leaderboard sources
$0.02–$0.10
Price per image range
1,160–1,512
ELO score range

The leaderboard, in context

Arena.ai runs blind image comparisons. Two models generate images from the same prompt, and human voters pick which output they prefer. Votes feed into an ELO rating system (the same system used in chess rankings). Higher ELO means more humans preferred that model's outputs in head-to-head matchups.

The system works well for measuring general preference, but it has blind spots. Arena voters tend to favour certain visual styles. They do not factor in cost, speed, or API availability. A model that takes 30 seconds and costs $0.17 per image will rank the same as one that takes 2 seconds and costs $0.02, as long as voters prefer its output.

That is why ELO alone is not enough to pick a model for production work. You need to know what each model is actually good at, what it costs, and how fast it runs. The comparison table below covers all of that.


The full comparison table

Data compiled from Arena.ai (22 April 2026), Artificial Analysis, and official documentation. ELO scores for models added before GPT Image 2 are sourced from Awesome Agents and Melies.

Model Developer Arena ELO Text Rendering Photorealism Artistic Quality Speed Cost/Image API Best For
GPT Image 2 OpenAI 1,512 99% Excellent Very Good Medium ~$0.02–0.05 Yes Text-heavy assets, marketing
Nano Banana 2 Google 1,271 Good Good Good Fast ~$0.08 Yes Speed-critical pipelines
Nano Banana Pro Google 1,232 Good Very Good Good Medium ~$0.08 Yes General-purpose, Gemini stack
GPT Image 1.5 OpenAI 1,242 Very Good Excellent Good Slow ~$0.04–0.17 Yes High-fidelity single images
Midjourney v7 Midjourney ~1,228 Fair Excellent Outstanding Medium ~$0.10 No* Creative, artistic, brand work
Ideogram 3.0 Ideogram ~1,198 ~90% Good Good Medium ~$0.03 Yes Text-in-image, typography
Recraft V4 Recraft ~1,190 Very Good Good Good Medium ~$0.04 Yes Vectors, logos, SVG export
Flux 2 Max Black Forest Labs 1,166 Fair Excellent Very Good Slow ~$0.045 Yes High-quality artistic + photo
Flux 2 Pro Black Forest Labs ~1,160 Fair Excellent Good Medium ~$0.045 Yes Scalable API photo generation
Grok Imagine xAI 1,170 Fair Good Good Medium $0.02 Yes Budget-friendly general use
Imagen 4 Google DeepMind ~1,172 Good Excellent Good Fast $0.02 Yes Fast photorealistic generation
Stable Diffusion 3.5 Stability AI ~1,175 Fair Good Good Varies Free Open Self-hosted, full control

*Midjourney requires a subscription ($10–$120/month) and has no public API. Cost per image is estimated based on plan limits. ELO scores marked with ~ are approximate, sourced from pre-GPT-Image-2 leaderboard snapshots.


Category winners

Best overall quality

GPT Image 2 (OpenAI). Arena ELO 1,512, 241 points clear of second place. Best text rendering (99%), strong photorealism, flexible aspect ratios up to 4K.

Best text rendering

GPT Image 2 (99%). Runner-up: Ideogram 3.0 (~90%). Most other models still produce garbled text at high density.

Best photorealism

Imagen 4 Ultra (Google DeepMind) and Flux 2 Pro (Black Forest Labs). Both produce images that are difficult to distinguish from photographs.

Best artistic style

Midjourney v7. Still the benchmark for creative, stylistic, and directorial image generation. Nothing else matches its aesthetic range.

Best for vectors and logos

Recraft V4. The only model with true SVG export. Designed specifically for logo, icon, and vector illustration workflows.

Fastest generation

Nano Banana 2 (Google) and Imagen 4 Fast. Both generate in 1 to 3 seconds. Flux Schnell is also fast but trades quality.

Best value (quality per dollar)

Grok Imagine ($0.02/image) and Flux 2 Pro (~$0.045). Both deliver solid quality at low cost with full API access.

Best open-source

Stable Diffusion 3.5 (open-weight, self-hosted). Runner-up: Flux 2 Dev (open-weight variant of Flux 2).


The 241-point gap

GPT Image 2's Arena lead is unprecedented. To put it in perspective: positions 2 through 10 on the leaderboard span roughly 100 ELO points. GPT Image 2 sits 241 points above second place. In chess terms, that is the difference between a grandmaster and a club player.

But context matters. ELO measures human preference in blind votes, not production fitness. A model that costs $0.17 per high-fidelity image and takes 15 to 30 seconds in thinking mode may not be the right choice for a pipeline that generates 10,000 product thumbnails per day. A model with an ELO of 1,170 that costs $0.02 and generates in 2 seconds might be the better pick for that workflow.

The gap also reflects what Arena voters value. GPT Image 2's reasoning capabilities produce outputs that feel more intentional: better composition, more accurate text, more coherent multi-element layouts. These qualities win blind comparisons. But if your use case is photorealistic product shots, Imagen 4 or Flux 2 Pro might produce equally good results at a fraction of the cost and latency.

For the full breakdown of GPT Image 2's capabilities, limitations, and pricing, I covered everything in the companion post: GPT Image 2 Is Here: What Changed, What It Costs, and What Builders Should Know.

ElevenLabs comparison of GPT Image 2 against other image generation models.


Picking the right model: a decision framework

Leaderboards rank models. Decision frameworks pick the right one. Here is how I think about model selection for production work.

Need accurate text in images?

GPT Image 2 (99% accuracy) or Ideogram 3.0 (~90%). Everything else is unreliable for text-heavy assets.

Need artistic or creative direction?

Midjourney v7 remains unmatched for stylistic control and aesthetic quality. If you need API access, Flux 2 Max is the closest alternative.

Need API access at scale?

Flux 2 Pro ($0.045/image, fast, reliable API) or GPT Image 2 ($0.02–$0.05, 250 IPM rate limit). Both handle high-volume pipelines.

Need vectors, logos, or SVG?

Recraft V4 is the only model that exports true SVG. Nothing else comes close for vector work.

Budget-constrained?

Grok Imagine ($0.02) or Imagen 4 Fast ($0.02) deliver solid quality at the lowest API cost. Stable Diffusion 3.5 is free if you self-host.

Open-source requirement?

Stable Diffusion 3.5 (fully open-weight) or Flux 2 Dev (open-weight variant). Both can run on your own hardware with no API dependency.

Need speed above all?

Nano Banana 2 (1–3s generation) or Imagen 4 Fast (1–3s). Flux Schnell is another fast option but trades quality for speed.


What I would pick for client work

I build AI systems for businesses. Most of my work is text-based automation (content pipelines, lead scoring, reporting), but image generation increasingly shows up in client workflows. Here is how I would split the choices today.

Marketing assets with text (social posts, email banners, infographics): GPT Image 2. The 99% text accuracy makes it the first image model I trust for assets that need readable copy. I covered the full capability breakdown in the GPT Image 2 launch post.

Creative brand work (mood boards, brand photography, art direction): Midjourney v7. The artistic quality is unmatched. The lack of API access is a real limitation for automation, but for one-off creative work it is still the best tool.

High-volume automated generation (product thumbnails, catalogue images, batch processing): Flux 2 Pro. Good quality, reliable API, reasonable cost. It handles scale better than GPT Image 2 for pure image generation pipelines.

Logo and vector needs: Recraft V4. True SVG export is a genuine differentiator. Nothing else in this list can do what Recraft does for vector work.

If you are evaluating which image model fits your business workflow, or if you need help integrating image generation into an existing automation stack, the AI Consulting and Roadmapping service is where I help teams make these decisions.

GPT Image 2 Midjourney v7 Flux 2 Nano Banana Recraft V4 Ideogram 3.0 Imagen 4 Stable Diffusion 3.5

Frequently asked questions

What is the best AI image generation model in 2026?

As of April 2026, GPT Image 2 by OpenAI holds the top position on the Arena.ai leaderboard with an ELO of 1,512, 241 points above second place. However, "best" depends on use case. For artistic work, Midjourney v7 is still preferred. For photorealism, Imagen 4 Ultra and Flux 2 Pro lead. For vectors and logos, Recraft V4 is the only model that exports true SVG.

What is Nano Banana in AI image generation?

Nano Banana is the Arena.ai codename for Google's Gemini image generation models. Nano Banana 2 refers to Gemini 3.1 Flash Image, and Nano Banana Pro refers to Gemini 3 Pro Image. Google uses these anonymised names on the Arena leaderboard to prevent brand-bias in blind preference voting.

Is Midjourney still worth it in 2026?

Yes, for specific use cases. Midjourney v7 remains the strongest model for artistic and stylistic image generation. Its ELO score of approximately 1,228 places it below GPT Image 2 and the Nano Banana models, but ELO measures general preference, not artistic quality. The main limitation is access: Midjourney still requires a subscription ($10 to $120/month) and has no public API.

Which AI image model has the best text rendering?

GPT Image 2 leads with 99% text rendering accuracy. Ideogram 3.0 is the closest competitor at approximately 90%. Recraft V4 also handles text well, particularly for logo and vector work. Most other models (Midjourney, Flux, Stable Diffusion) still struggle with accurate text in images.

Which AI image generator is cheapest?

Stable Diffusion 3.5 is free (open-weight, self-hosted). For API-based models, Grok Imagine and Imagen 4 Fast are the cheapest at approximately $0.02 per image. GPT Image 2 starts at roughly $0.02 for standard quality. Midjourney is the most expensive on a per-image basis at approximately $0.10 per image through its subscription model.


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