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November 22, 2025

Introducing S3
Image Generation

S3 creates high-quality images from text prompts, utilizing advanced architecture for exceptional realism and creativity, enabling users to realize their visions.

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About S3

High fidelity: Rich detail and realistic lighting for photoreal outputs.

Control: Prompt tokens for style, aspect ratio, camera viewpoint, and guidance strength.

Speed: Low-latency generation suitable for interactive design workflows.

Safety and filters: Built-in content filters and moderation hooks for safe deployments.

Directly integrated into Spec Chat, S3 empowers users to generate stunning images from text prompts with ease. Whether you're a designer seeking inspiration or a developer looking to enhance your applications, S3 offers a seamless experience for bringing your visual ideas to life.

Key Capabilities

  • High-Fidelity Outputs

    Generates detailed, high-resolution images with realistic styles.

  • Style & Prompt Controls

    Fine-tune outputs with parameters for style, aspect ratio, viewpoint, and guidance strength.

  • Better Iteration

    Optimized for better generation, enabling good prototyping and creative exploration.

  • Diversity & Robustness

    Handles narrative prompts, abstract concepts, and product variants while maintaining semantic fidelity.

  • API-first Integration

    Easily integrate S3 into applications and workflows via a robust API with comprehensive documentation.

Image previews

Classical landscape oil painters
A photograph of a narrow cobblestone street winding through the historic Dalt Vila district of Ibiza. Whitewashed houses with traditional architecture line the street, their facades adorned with cascading bougainvillea in vibrant shades of fuchsia and magenta. A wrought iron balcony with a single terracotta pot overflowing with geraniums extends from one of the houses, while sunlight casts soft shadows on the textured stone pavement. The scene is bathed in the warm golden light of late afternoon, creating a serene and inviting atmosphere.
A picturesque photograph captures a vast mountain landscape bathed in the warm hues of either sunrise or sunset, showcasing a breathtaking panorama of natural beauty. The mountaintop is lavishly adorned with a sprawling field of vibrant pink rhododendron flowers, delicately interspersed with patches of verdant green grass and low-lying shrubs, all illuminated by the radiant glow of the sky. Distant mountain ranges cascade into the horizon, their layered forms fading into gentle shades of blue and purple, partially veiled by ethereal mist clinging to the lower slopes, while the sky above blazes with intense pink, orange, and purple light, creating a dramatic and captivating spectacle. From a slightly elevated vantage point overlooking the valley, the scene evokes a profound sense of tranquility and idyllic charm.
A lone figure stands on the edge of a towering skyscraper, wearing a long sunset-orange cape that billows outward. The figure’s face is obscured by shadow, but their posture conveys a sense of quiet resolve as they gaze out over the cityscape. Metallic iridescent highlights catch the light on the building’s facade, and a thick impasto texture covers the walls, creating a layered paper collage effect. Below, a blurred expanse of city lights creates a muted bokeh effect, while volumetric fog swirls around the figure’s feet, illuminated by a warm golden backlight.
A cinematic photograph showcases the majestic peaks of the Cusco mountains shrouded in a dense, ethereal mist. Jagged rock formations pierce through the fog, with wisps of cloud swirling around the summits, catching the soft, muted light of the approaching dawn. A gentle breeze rustles through the high-altitude grasses and lichen clinging to the slopes, adding movement to the tranquil scene. The cool, blue-toned atmosphere evokes a sense of mystery and grandeur, with distant, snow-capped peaks barely visible through the haze.
A photograph of a young Indian male model with and a gentle smile, posed confidently for a fashion brand. He wears a finely tailored cream-colored kurta set with intricate embroidered detailing around the neckline and cuffs, the fabric subtly catching the light. Behind him stands an ornate sandstone archway, its carvings casting long shadows that highlight the model’s posture. Soft golden light bathes the scene, creating a warm and inviting atmosphere while gently illuminating the textures of the kurta and the aged stone.
View of a cozy street in India on a bright sunny day, stark shadows. the modern houses are oddly shaped like letters that spell out INDIA Colored in Orange, Blue, Green. The houses still look like new modern houses and the resemblance to letters is subtle.
An ultra-realistic image showcases a turquoise car, identical in design, shape, and shade to previous images, parked centrally in a modern urban environment. Captured from a slightly low, cinematic angle, the car's vibrant TURQUOISE color is emphasized with glossy reflections and a polished finish. Surrounding the car, 6 to 10 people are casually standing at a distance, some photographing and others admiring, without obstructing the view. The background features a soft bokeh effect, with warm lighting accentuating the turquoise, while the high-detail image remains focused on the car as the visual protagonist.

S3 Image Generation is now available in Spec Chat for All Users for FREE.

Model Card

Model Card

S3 Image Generation

S3 combines a conditional diffusion backbone with learned guidance controllers to interpret detailed prompts and reliably render the requested scene. It exposes parameters for style strength, guidance scale, aspect ratio, and seed for reproducibility.

Photorealistic and stylized outputs

Configurable guidance & seeds for repeatability

Text-to-image generation

Batch generation and metadata for auditability

S3 Image Model
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Try Image Generation in Spec Chat Now.

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