Ray Flash 2

Ray Flash 2 API Overview

Ray Flash 2 is a cutting-edge video generation model built on Luma’s multi-modal architecture. The model offers accelerated workflows with rapid iterations, real-time previews, and high-fidelity output, making it ideal for professional content creators and developers seeking fast, detailed, and realistic video synthesis.

Technical Specifications

• Output Resolution: Supports up to 720p  with high detail preservation.​
• Supported Lengths: Generates videos of 5 or 9 seconds duration, suitable for short clips and social media content.​
• Input Mode: Text prompts combined with optional start frames or sketches for guided generation.​
• Processing Speed: Significantly optimized for rapid iterations, enabling faster preview cycles and production workflows.​
• Architecture: Built on a scaled-up multi-modal architecture, with a focus on motion coherence and visual quality.

Performance Benchmarks

• Compute Scale: 10x increase in computational capacity over previous versions, ensuring high-quality outputs in reduced times.​
• Generation Speed: Rapid synthesis with multiple frames per second, supporting quick iteration cycles for professional workflows.​
• Visual Quality: Near-photorealistic results with advanced motion coherence and scene understanding, surpassing many industry-standard models.

Key Features

• Fast Iterations & Previews: Designed for accelerated workflows, allowing users to generate previews swiftly during the creative process.​
• Realistic, Coherent Motion: Maintains logical and natural motion sequences with physics-based simulations and camera techniques.​
• High Fidelity Detailing: Produces photorealistic and visually rich videos with accurate lighting, shadows, and textures.​
• Multi-Modal Input: Supports text prompts, start frames, and sketches for flexible content control.​
• Scene Complexity Handling: Capable of rendering complex scenes with multiple interacting objects, dynamic environments, and atmospheric effects.

Ray Flash 2 API Pricing

• $0.00286 / 1 million pixels

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Code Sample

Comparison with Other Models

vs Luma Ray 2: Ray Flash 2 is a distilled, faster variant of Luma Ray 2, offering up to three times faster video generation and costing less while retaining strong video realism. Ray 2 provides higher fidelity and supports more complex animations, but at slower speeds and higher resource usage.

vs Luma Ray 1.6: Compared to Luma Ray 1.6, Ray Flash 2 offers improved speed, much higher resolution (up to 720p), and better motion coherence. Ray 1.6 produces shorter, lower-resolution videos with less natural motion.

vs Synthesia: Ray Flash 2 excels in photorealistic video content creation with coherent scene dynamics, while Synthesia focuses on real-time avatar animations and lip-sync for interactive video content. Ray Flash 2 is more suitable for cinematic and complex video generation.

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