Bytedance Seedance 2.0 Fast Text To Video Fast

Bytedance Seedance 2.0 Fast Text To Video Fast

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Seedance 2.0 Fast (Text-to-Video Fast) generates cinematic 720p/1080p videos from text prompts using speed-optimized inference with fast upscaling from 480p — the fastest and most affordable Seedance option with native audio-visual synchronization and director-level control.

Features

Seedance 2.0 Fast Text-to-Video Fast

Seedance 2.0 Fast Text-to-Video Fast is the fastest and most affordable Seedance option — combining speed-optimized inference with fast upscaling from 480p to deliver 720p and 1080p cinematic videos with native audio-visual synchronization.

Key Features

• Fastest Seedance option Speed-optimized inference combined with fast upscaling for maximum throughput.

• Most affordable HD output Starting at $0.60 per 5 seconds at 720p.

• Unified multimodal architecture Same Seedance 2.0 foundation handling text, image, audio, and video inputs.

• Native audio-visual synchronization Generates video with synchronized audio in a single pass.

• Director-level control Camera movement, lighting, shadows, and character performance controlled through prompts.

Parameters

Pricing

Billing Rules

• 720p rate: $0.60 per 5 seconds (without reference videos), $0.48 with reference videos
• 1080p rate: $0.65 per 5 seconds (without reference videos), $0.53 with reference videos
• Duration options: 5, 10, or 15 seconds

Best Use Cases

• Maximum Speed — Fastest possible Seedance generation at HD resolution.
• High-Volume Production — Most cost-effective HD generation for large content libraries.
• Rapid Prototyping — Quick iteration on HD concepts before upgrading to standard quality.
• A/B Testing — Generate many variations efficiently.

Pro Tips

• Use this for maximum speed and lowest cost at HD resolution.
• Switch to standard Seedance 2.0 for final production quality.
• Write prompts like a film director — include lighting, camera angles, and mood.
• Start with 5s to iterate, then extend once the look is right.

Notes

• Native audio generation included.
• Resolution options: 720p and 1080p only (generated via 480p + fast upscale with speed-optimized inference).
• Duration options: 5, 10, or 15 seconds.

Related Models

• Seedance 2.0 Fast Text-to-Video — Speed-optimized native resolution generation.
• Seedance 2.0 Text-to-Video Fast — Standard inference + fast upscale.
• Seedance 2.0 Text-to-Video — Highest quality native resolution generation.

# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/bytedance/seedance-2.0-fast/text-to-video-fast" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "duration": 5,
    "enable_web_search": false
}'

# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"