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AI Image Generator — Choose the Right Engine for Every Prompt
Every prompt has a best-fit model — and using the wrong one wastes time. Need readable text on a poster? GPT Image ranks #1 on LMArena, Design Arena, and Artificial Analysis Image Arena, making it the benchmark leader for typography accuracy. Need an ultrawide matte painting at 4K? Seedream 4.5 delivers native 4096×4096 px output across eight aspect ratios including 21:9. Building a character lineup where the face must stay locked across twenty poses? Nano Banana Pro accepts up to 8 reference images in text-to-image mode to anchor identity. Need real-world accuracy for a location or brand? Nano Banana 2 grounds generation with Google Search intelligence across 15 aspect ratios. Running a batch of 200 thumbnails before a product launch? Flux 2 Pro reaches a benchmark-leading win rate while completing each image in under 10 seconds. Need a spatially complex scene with precise multi-figure blocking? Seedream 5 Lite applies Chain-of-Thought visual reasoning before committing to pixels. On Happy Oyster AI, every engine sits in one workspace so you can route each creative brief to the model built for it.
Pick the AI Model That Matches Your Task
Benchmark data, resolution ceilings, and reference image support — compared across every engine on this platform so you can make the call before you generate.
GPT Image
OpenAI · #1 Text Rendering Benchmark
The current benchmark leader for text rendering inside generated images. GPT Image holds the #1 position on LMArena, Design Arena, and Artificial Analysis Image Arena — three independent leaderboards that specifically score text fidelity, signage accuracy, and design-grade typography. Outputs at 1024 px (medium quality) or 1536 px (high quality). Supports 1:1, 2:3, and 3:2 aspect ratios.
Seedream 4.5
ByteDance · Native 4K — Up to 4096×4096 px
ByteDance's flagship generation model outputs natively at 4K — up to 4096×4096 px — with no resolution-based cost difference between 2K and 4K tiers. Covers eight aspect ratios including 21:9 ultrawide for cinematic and panoramic compositions. Handles photorealism, illustration, and design-level text with the same rendering pipeline. The direct choice when maximum resolution is the constraint.
Flux 2 Pro
Black Forest Labs · Benchmark-Leading Speed
Black Forest Labs' production-grade model holds a benchmark-leading win rate on head-to-head text-to-image comparisons and generates each image in under 10 seconds. Supports 1K and 2K resolution across seven aspect ratios. Built for scenarios where throughput matters — batch product libraries, social media calendars, and rapid concept iteration at volume.
Nano Banana Pro
Google · 8 References — Cross-Generation Consistency
Google's character-consistency engine accepts up to 8 reference images in text-to-image mode — more than any other generator on this platform in pure generation mode. It treats face, hairstyle, clothing, and brand mark as hard constraints that persist across every generation in a series. Outputs at 1K, 2K, or 4K across 11 aspect ratios including auto-detect and 5:4.
Nano Banana 2
Google · Google Search Grounding — 15 Ratios
Google's search-augmented generation model verifies real-world subjects — branded logos, recognizable landmarks, product packaging — against live web data before rendering. Accepts up to 14 reference images for multi-element control. Outputs at 4K across the platform's widest aspect ratio selection: 15 options covering square, portrait, landscape, ultrawide, and custom crops.
Seedream 5 Lite
ByteDance · Chain-of-Thought Spatial Reasoning
ByteDance's reasoning-first generation model applies Chain-of-Thought visual logic before rendering — parsing the spatial relationships, character positions, and perspective cues in a complex brief before producing output. Integrated web search adds real-world contextual accuracy. Outputs at 2K or 3K across eight aspect ratios. The right choice when a prompt describes a scene with multiple figures, overlapping elements, or precise choreographic positioning.
Text to Image AI Built Around Model Selection
Choosing the right model matters more than any single prompt tweak. A poster that needs readable body copy belongs on GPT Image — its #1 LMArena ranking reflects benchmark-tested text fidelity that generic generators cannot match. A storyboard frame for a widescreen feature belongs on Seedream 4.5 — native 4K at 21:9 with no upscaling artifacts. A product grid that needs 50 consistent hero images in an hour belongs on Flux 2 Pro — sub-10-second generation at benchmark-leading win rate means you finish the brief, not the queue. This AI picture generator puts every engine on one screen with resolution specs and reference counts shown upfront. Pick the model, write the prompt, download the result watermark-free.
How Different Roles Use This AI Art Generator
Each creative workflow points to a different model. Here are four common production scenarios and the engine that wins each one.
Graphic Designers & Brand Studios
Poster and layout text that actually reads
GPT Image's #1 Design Arena ranking reflects real performance on layout-critical prompts — headlines, taglines, pricing callouts, and menu text. Route any prompt where legibility is non-negotiable to this engine. Generate entire brand collateral sets — packaging mockups, billboard comps, social cards — without post-production font corrections.
E-Commerce and Performance Marketing Teams
High-volume product imagery at sub-10 seconds each
Flux 2 Pro's benchmark-leading win rate comes with the fastest generation speed in the lineup. Run 100-image product batches in a single session — hero shots, colorway variants, seasonal backgrounds — without waiting on a render queue. Export watermark-free PNG files directly to your DAM or ad platform.
Film Pre-Production and Concept Artists
Native 4K matte paintings at ultrawide ratios
Seedream 4.5 renders true 4096×4096 px output without interpolation artifacts, across eight aspect ratios including 21:9 widescreen. A 4K environment concept generates at the same cost as a 2K draft, making it viable for entire storyboard sets. Ideal for pitch decks, production design boards, and environmental concept art that goes directly into review.
Character Designers and Game Studios
Consistent face and outfit across an entire asset library
Nano Banana Pro locks identity as a constraint — not a suggestion. Feed up to 8 reference images (character sheet, expression guide, costume reference) and generate character turnarounds, promotional poses, and variant outfits at up to 4K. Faces, hairstyles, and brand marks remain coherent across every output in the set.
Prompt Templates — Copy and Generate
Each template below is matched to the model where it performs best, with the specific technical reasons why.
Ultra-Wide Cinematic Scene
Best with Seedream 4.5 — 21:9 native 4K, no upscaling
"Vast salt flat at blue hour, a lone figure in a weathered canvas coat standing center-frame at one-third height, long shadow stretching toward the camera, deep purple sky fading to copper at the horizon, cracked earth texture in extreme foreground, 21:9 ultrawide aspect ratio, cinematic matte painting, hyper-detailed 4K"
Product Label with Readable Text
Best with GPT Image — benchmark-leading text accuracy
"Premium olive oil bottle on a marble surface, handwritten-style label reading 'GROVE ESTATE — Cold Pressed Extra Virgin', sub-text 'Harvest 2025 — Sicily', side-lit with diffused natural window light, warm cream label texture, dark green glass, styled product photography, 3:2 aspect ratio"
Multi-Figure Fantasy Composition
Best with Seedream 5 Lite — Chain-of-Thought spatial reasoning
"Three scholars in layered robes gathered around a floating celestial orrery, middle figure pointing upward at a highlighted orbit ring, background of floor-to-ceiling bookshelves curving into darkness, soft candlelight from left and cooler orrery glow from center, overlapping depth planes, figures correctly occluding each other, painterly realism style"
Character Sheet with Consistent Identity
Best with Nano Banana Pro — 8 references, identity-locked
"Character design turnaround sheet: same young woman, age 28, auburn hair in a side braid, wearing a dark navy field jacket, shown from front, three-quarter, and side profile. Consistent face structure, same freckle pattern, same jacket buttons across all three views. Clean white background, character design sheet format, 3:2 aspect ratio"
Prompt Engineering Techniques That Actually Change Output
- • Lead with subject, not context - Write 'A Japanese street vendor frying takoyaki' rather than 'In a busy Osaka market, there is a vendor.' Models encode early tokens first — the subject should occupy the opening clause to anchor the entire image.
- • Name the light source and direction - Lighting is the single biggest lever after subject. Specify source type (window light, practical neon, overcast diffusion), direction (rim, frontal, split), and color temperature (5600K daylight, 3200K tungsten) for three-dimensional results.
- • State the intended output ratio early - Seedream 4.5 supports 21:9 ultrawide; Nano Banana 2 supports 15 ratios including portrait and cinema. Mention the ratio in the prompt — 'wide-format cinematic' triggers compositional rules the model applies during layout generation.
- • Assign one model per task type - GPT Image when any text must be legible. Seedream 4.5 for native 4K at 8 ratios. Seedream 5 Lite for scenes with multiple figures or complex spatial relationships. Flux 2 Pro for batch speed. Nano Banana Pro for cross-generation character consistency. Nano Banana 2 for search-verified subjects.
How Text to Image Generation Works Here
From prompt to download in three steps — with model selection built into step two so you never have to guess which engine to use.
Write a Detailed Prompt
Describe the subject, environment, lighting, color palette, and style in natural language. English and Chinese prompts both work. The prompt field has no character limit — more specific detail produces more predictable output.
Select the Engine for Your Task
Each model card shows its resolution ceiling, aspect ratio count, and benchmark highlights. GPT Image for text accuracy. Seedream 4.5 for 4K. Flux 2 Pro for speed. Nano Banana Pro for consistency. Nano Banana 2 for search-grounded subjects. Seedream 5 Lite for reasoning through complex scenes.
Download Watermark-Free Output
Generation takes 5–60 seconds depending on model and resolution tier. Output arrives as a PNG or JPEG file with no watermark or branding. Run the same prompt on a second engine to compare interpretations side by side.
Continue Your Creative Workflow
Transform generated images further — edit with references, animate into video, or convert text directly to motion.
AI Image Generator — Technical FAQ
Model benchmarks, resolution specs, reference image support, and prompt guidance — answered with specific technical data.
One Platform, Multiple AI Image Engines
Stop settling for a single model's interpretation of your prompt. GPT Image leads on text rendering ranked #1 on LMArena. Seedream 4.5 reaches native 4096×4096 px across eight aspect ratios. Flux 2 Pro holds a benchmark-leading win rate and generates in seconds. Nano Banana Pro locks face and outfit consistency across up to 8 reference images. Nano Banana 2 grounds real-world subjects with Google Search intelligence. Seedream 5 Lite reasons through spatial complexity with Chain-of-Thought logic. Compare them on the same brief — pick the output that ships.