Seedance 2.5 vs Veo 3.1

Seedance 2.5 vs Veo 3.1 at a glance

Both run on the same Revana API key; switching is the model field. Prices are Revana’s, per second of video, as of November 2026.

What a clip costs on each

The price of one clip with sound at each length, at 720p and 1080p. Where a model cannot make that length in one take, the cell shows what the same seconds cost in several clips.

Where Seedance 2.5 wins

• Lower price with sound at 720p. $0.21 a second against $0.40 for Veo 3.1 with audio, and 480p drafts at $0.09.
• One take up to 30 seconds. Veo 3.1 makes 4, 6, 8 s; anything longer is several clips cut together.
• References and editing. Up to 30 reference images, reference clips and sounds, and video editing.
• More aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9; Veo 3.1 makes 16:9 and 9:16.

Where Veo 3.1 wins

• 1080p and 4K. With sound, $0.40 a second at 1080p (Seedance 2.5: $0.52) and $0.58 at 4K, which Seedance 2.5 does not make.
• Silent footage for less. Without audio, Veo 3.1 is $0.20 a second at 720p and 1080p.
• Cheaper tiers. Veo 3.1 Fast (720p $0.10 · 1080p $0.11 · 4K $0.29 a second with sound) is built for iterating on shots.

Which to use

For an 8 second 4K hero shot, Veo 3.1. For short 1080p shots with sound, Veo 3.1 also costs less per second. For anything longer than 8 seconds, scenes that need to run on, many references, or 720p with sound at about half Veo 3.1’s price, Seedance 2.5.

Test both with one prompt

Picture quality is a matter of the shot, so the honest test is your own prompt on both. Quote both first (free), then render each at its lowest resolution.

export REVANA_API_KEY="sr_live_..."
# Same prompt on both models at their lowest resolution. Quotes are free: check them first.
for PAIR in seedance-2.5:480p veo-3.1:720p; do
  MODEL=${PAIR%%:*}; RES=${PAIR#*:}
  curl -s https://api.revana.si/v1/generations/quote \
    -H "Authorization: Bearer $REVANA_API_KEY" -H "Content-Type: application/json" \
    -d '{"model": "'$MODEL'", "input": {"prompt": "A barista pours latte art in a sunlit cafe, slow push-in, steam rising, soft jazz and cups clinking", "duration": 5, "resolution": "'$RES'", "audio": true}}'
  echo
done
# Then create each one with the request in the API section of /seedance-2-5, and compare the two clips.

From Claude or ChatGPT, ask the Revana MCP server: “Quote this prompt on Seedance 2.5 and Veo 3.1 at the lowest resolution, then make both.”