KlingAI Avatar 2.0 Pro

Overview

Kling Avatar 2.0 Pro is a high-fidelity audio-driven avatar video model that transforms a single image into a realistic, expressive talking video. By combining a portrait image with an audio track, the model generates natural lip sync, facial expressions, and subtle head and upper-body motion that closely follows the tone, pacing, and emotion of the audio.

The model is designed for professional use cases where visual quality, consistency, and believable performance matter. It works well with realistic human portraits, stylized characters, and illustrated avatars, without requiring animation rigs, keyframes, or manual motion work.

Key Capabilities

• Audio-synchronized lip movement
  Mouth shapes and facial motion closely follow speech timing and phonetics for convincing dialogue.

• Expressive facial animation
  Subtle changes in expression, eye movement, and head motion help avoid a static “talking photo” look.

• Single-image input
  Only one source image is required to generate a full talking avatar video.

• Style-agnostic
  Supports photorealistic faces, illustrated characters, and stylized avatars.

• Production-ready output
  Optimized for consistent results suitable for marketing, education, and professional content.

Typical Use Cases

Kling Avatar 2.0 Pro is well suited for:

• Talking-head videos from scripts or voiceovers
• Personalized video messages at scale
• Marketing explainers and product walkthroughs
• Educational content and virtual instructors
• Visualizing podcasts or audio-only content
• Character-driven storytelling and social content

How It Works

The model combines three inputs into a single generation pass:

1. Source Image
   A portrait or character image that defines the avatar’s appearance and identity.

2. Audio Input
   A spoken audio track that drives lip sync, expression, and timing.

3. Optional Prompt
   Text guidance to influence performance style, emotion, or pacing.

Internally, the model aligns facial structure from the image with temporal cues from the audio, producing a video where motion and expression evolve naturally over time.

Input Guidelines

Image

• Clear view of the face produces the best results
• Frontal or near-frontal portraits are recommended
• Works with realistic, illustrated, or stylized images

Audio

• Spoken voice gives the strongest results
• Clean audio improves lip sync accuracy
• Output duration typically matches audio length

Prompt (Optional)

• Can be used to guide mood or delivery
• Examples: calm, energetic, confident, conversational

Output Characteristics

• Talking avatar video with synchronized speech
• Natural facial expressions and micro-movements
• Stable identity across the full duration
• Smooth animation suitable for direct publishing

Performance & Pricing Notes

Kling Avatar 2.0 Pro is typically billed per second of generated video, making costs predictable for longer clips. Output duration scales directly with the provided audio length.

Best Practices

• Use high-quality source images with visible facial features
• Avoid extreme angles or heavy occlusion of the face
• Ensure audio is clear and well-paced for best sync
• Use prompts sparingly to refine tone rather than override audio performance

Summary

Kling Avatar 2.0 Pro enables high-quality talking avatar videos from minimal input. With a single image and an audio track, it produces expressive, synchronized performances suitable for real-world production workflows — without the overhead of traditional animation or video recording.

Documentation

For full API details, supported parameters, and integration guidance, see:
https://runware.ai/docs/en/providers/klingai