Seedance 1.5 Pro I2V vs Seedance 2.5
Seedance 1.5 Pro I2V (ByteDance) vs Seedance 2.5 (ByteDance), compared on price, context, speed and Arabic support. Both run on thalam through one OpenAI-compatible API, so you can switch between them with a single model id change. At a glance, Seedance 1.5 Pro I2V is the cheaper option.
Specs side by side
| Spec | Seedance 1.5 Pro I2V | Seedance 2.5 |
|---|---|---|
| Provider | ByteDance | ByteDance |
| Type | Video | Video |
| Price | $0.330 / video | $1.46 / video |
| Speed | Slow | Slow |
| Arabic support | Partial | Strong |
Which should you choose?
- Lower cost, about 4.4× cheaper ($0.330 / video)
- Stronger Arabic support for Gulf and MENA use
One OpenAI-compatible endpoint, one bill. Switch between them with a single model id change, pay per use, credits never expire.
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FAQ
What's the difference between Seedance 1.5 Pro I2V and Seedance 2.5?
Seedance 1.5 Pro I2V costs less ($0.330 / video vs $1.46 / video); Seedance 2.5 has stronger Arabic support. Both are available on thalam behind one OpenAI-compatible API.
Is Seedance 1.5 Pro I2V or Seedance 2.5 cheaper?
Seedance 1.5 Pro I2V is cheaper on input ($0.330 / video vs $1.46 / video). On thalam you pay per use, so you can route cheap-by-default and fall back to the other only when needed.
Can I use both Seedance 1.5 Pro I2V and Seedance 2.5 with one API key?
Yes. thalam is OpenAI-compatible, so both models are reachable through the same endpoint. Switching between them is a one-line model id change, no code rewrite.