AI Image Model Comparison (July 2026) — GPT-Image, Gemini, Seedream, Midjourney, FLUX, Z-Image

The AI image landscape moved fast in 2026. This guide compares the leading models as of July 2026 — what each is genuinely good at, where it falls short, and which one to reach for. It's written to be practical rather than promotional; where a figure comes from a vendor claim or a third-party aggregator rather than an independent benchmark, we say so.

A note on pricing. Per-image prices below are approximate and often come from third-party aggregators. Editing and reference-image workflows bill extra input tokens on top. Always verify against the vendor's official pricing page before budgeting.

At a glance

OpenAI — GPT-Image series

The current flagship is GPT-Image-2, released 21 April 2026. Its headline feature is a built-in reasoning / "thinking" mode: it can plan layout and self-check output before rendering, which helps on complex, multi-element prompts. Text rendering is a standout strength across many scripts (Latin, CJK, Arabic, and more) — OpenAI reports very high accuracy, though treat exact percentages as vendor claims.

• Strengths: best-in-class instruction following; excellent text-in-image; reasoning helps with intricate prompts.
• Weaknesses: editing and reference-image workflows bill extra tokens, so real cost is higher and less predictable than a single per-image figure suggests. (Note: OpenAI's older DALL·E 2 and 3 retire in May 2026, and the original GPT-Image-1 is being deprecated in October 2026 — build new work on GPT-Image-2.)
• Access: ChatGPT tiers, and the gpt-image-2 API. This is the model that powers GPTImage123 — try it on the Image Generator.

Sources: OpenAI GPT Image docs; GPT Image (Wikipedia); OpenAI pricing.

Google — Gemini "Nano Banana" family

Nano Banana was the popular nickname for Gemini 2.5 Flash Image (2025). The current flagship is Nano Banana Pro (Gemini 3 Pro Image), released 20 November 2025 and still labeled preview in Google Cloud docs. Built on Gemini 3 Pro's reasoning, it's particularly strong at "visualizing information" — infographics and diagrams — plus character consistency across edits, multi-image composition, conversational local edits, and output up to 4K.

• Strengths: reasoning-backed composition; great for diagrams/infographics; strong consistency; high resolution.
• Weaknesses: 4K output and "thinking tokens" push cost up; preview status means it can change.
• Pricing (from Google's token model, via aggregators): roughly $0.04 per image at ≤1024px, ~$0.13 at 1–2K, ~$0.24 at 4K; batch API ~50% off.
• Access: the Gemini app ("Create images" + Thinking), and the API.

Sources: Google — Nano Banana Pro; Google Cloud model docs; pricepertoken.

ByteDance — Doubao / Volcano Engine (火山引擎) Seedream

Seedream is ByteDance's image line, sold through Volcano Engine (火山引擎) and used in the consumer Doubao (豆包) and Jimeng (即梦) apps. Seedream 4.0 (Sept 2025) unified text-to-image, editing, and multi-image composition with up to 4K and roughly a 10× speedup over 3.0. The newest is Seedream 5.0 Pro, launched 8 July 2026, adding complex information visualization, precise interactive editing, realistic portrait texture, and native support for 10+ languages with correct typography and reading direction.

• Strengths: among the best for Chinese typography and East-Asian styles; fast high-res generation; strong editing.
• Weaknesses: public USD pricing isn't available — it's sold via Volcano Engine's China console (RMB/token based), which is a barrier for some international users.
• Access: Volcano Engine MaaS platform; Doubao and Jimeng apps.

Sources: Seedream 4.0; Seedream 4.0 paper (arXiv); Seedream 5.0 Pro launch.

Midjourney

Midjourney remains the aesthetic leader for artistic, stylized imagery. V7 is the official default; V8 Alpha launched in March 2026 (faster, native 2K, improved text), with a V8.1 Alpha preview following — but alphas aren't the default for everyone yet.

• Strengths: unmatched artistic polish; Draft Mode for fast iteration; Omni Reference for character/style consistency.
• Weaknesses: weak text rendering (historically far behind typography-focused models); no traditional API (Discord/web app); no free tier.
• Pricing: Basic ~$10/mo, Standard ~$30/mo (unlimited Relax mode — the common "sweet spot"), Pro ~$60/mo (Stealth mode), Mega ~$120/mo; annual billing ~20% off.

Sources: Midjourney plan comparison; Midjourney pricing overview.

Black Forest Labs — FLUX

The current family is FLUX.2, released 25 November 2025, with a distilled FLUX.2 [klein] (Apache 2.0, sub-second on consumer GPUs) following in January 2026. It couples a flow-matching transformer with a Mistral-3 VLM, supports up to ~4MP, and can take up to 10 reference images for consistency.

• Strengths: best open-weight quality; strong text and layout; great for self-hosted, high-volume pipelines.
• Weaknesses: the 32B Dev model is heavy (full precision wants 80GB+ VRAM; quantized runs on 18–24GB) and carries a non-commercial license (commercial self-host is a paid tier). Pro/Flex/Max are API-only.
• Tiers: Klein (Apache 2.0, free commercial), Dev (open weights, non-commercial), Pro/Flex/Max (proprietary API). API pricing is megapixel-based (Pro from ~$0.03/MP).

Sources: BFL — FLUX.2; BFL pricing; BFL licensing.

Z-Image (造相) — Alibaba Tongyi

Z-Image is an open-source text-to-image family from Alibaba's Tongyi Lab (Chinese name 造相). Z-Image-Turbo (8-step, Apache 2.0) shipped in November 2025; the non-distilled Z-Image-Base followed on 28 January 2026. The remarkable part is efficiency: only 6B parameters, photorealistic output in under a second / 8 steps (Turbo), and it runs on a consumer GPU with ~16GB VRAM.

• Strengths: tiny and fast; Apache 2.0 (commercial-friendly); bilingual English + Chinese text; runs locally on modest hardware; the strongest open-source model on some leaderboards.
• Weaknesses: not the peak-quality leader against the largest closed models; smaller tooling ecosystem than FLUX/SD (though it had day-0 ComfyUI support).

Sources: Z-Image on GitHub; ComfyUI Wiki — Z-Image-Base.

Others worth knowing

• Qwen-Image (Alibaba, Apache 2.0): a 20B open model with arguably the best open-source text rendering, including multi-line Chinese and English, plus in-image text editing. Needs more VRAM than Z-Image. Model family.
• Ideogram 3.0: a typography specialist — the go-to when accurate text is the whole point.
• Recraft V3: the one major model with native vector / SVG output — best for logos, icons, and flat brand assets.
• Stable Diffusion 3.5 (Stability AI): the veteran local/open workhorse with the deepest LoRA/ControlNet ecosystem, even if it no longer tops peak-quality leaderboards.

Source: AI image model comparison (Prompting Pixels).

Which should you pick?

• All-round quality, complex prompts, and text in images: GPT-Image-2 — and it's what powers GPTImage123.
• Infographics, diagrams, and 4K composition: Nano Banana Pro.
• Chinese-first design and typography: Seedream or Qwen-Image.
• Pure artistic aesthetics: Midjourney.
• Self-hosting / open weights at scale: FLUX.2 (quality) or Z-Image / Qwen-Image (efficiency and open licensing).
• Logos and vector assets: Recraft.

No single model wins everything. The fastest way to find your best fit is to run the same prompt through a few of them — which is exactly why our Image Generator lets you compare models side by side. New to prompting? Start with the FAQ and tutorial.

Sources & caveats

This comparison draws on official vendor pages and reputable secondary sources. Exact per-image prices, text-accuracy percentages, and some very recent model claims come from vendor marketing or third-party aggregators and were not independently benchmarked here — verify current figures on official pricing pages before relying on them. Key references:

• OpenAI — GPT Image docs, Wikipedia overview
• Google — Nano Banana Pro, Cloud model docs
• ByteDance — Seedream 4.0, arXiv paper, Seedream 5.0 Pro
• Midjourney — plan comparison
• Black Forest Labs — FLUX.2, pricing, licensing
• Alibaba Tongyi — Z-Image, Qwen-Image family
• General — AI image model comparison