ByteDance Seed · Released Feb 14, 2026Seed 2.0 Pro
Flagship ByteDance Seed 2.0 model for complex multimodal reasoning and long-horizon agent workflows.
- Capability
- —No ECI score yet
- Input
- $0.475per 1M tokens
- Output
- $2.37per 1M tokens
- Context
- 256K128K max output
What it costs
- Input
- $0.475per million tokens
- Output
- $2.37per million tokens
- Cached input
- $0.095per million tokens
- Over 32K tokens
- $0.712 / $3.56input / output per million
- Blended (3:1)
- $0.95pricier than 54% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $2.14 |
| Team assistant25M input + 5M output tokens | $23.75 |
| Production app250M input + 50M output tokens | $237.49 |
Official Volcengine Ark API price, as listed on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Seed 2.0 Pro yet.
The details
- Lab
- ByteDance Seed
- Released
- Feb 14, 2026
- Context window
- 256,000 tokens
- Max output
- 128,000 tokens
- Inputs
- Text, Images, Video
- Output
- Text
- Reasoning
- Adjustable effort minimal · low · medium · high · xhigh · max
- Tool calling
- Yes
- Structured output
- Yes
- Weights
- Proprietary
- API model ID
doubao-seed-2-0-pro-260215on Volcengine Ark- Availability
- 5 API providerslisted on models.dev
More from ByteDance Seed
About Seed 2.0 Pro
How much does Seed 2.0 Pro cost?
Seed 2.0 Pro costs $0.475 input / $2.37 output per million tokens (official Volcengine Ark API price). Cached input is $0.095 per million tokens. Requests over 32K tokens are billed at $0.712 input / $3.56 output. At a 3:1 input-to-output mix that is $0.95 per million tokens, more expensive than 54% of the 360 priced models we track.
What is the context window of Seed 2.0 Pro?
Seed 2.0 Pro accepts up to 256,000 tokens per request and can write up to 128,000 tokens in one response.
How good is Seed 2.0 Pro?
Epoch AI has not published a Capabilities Index score for Seed 2.0 Pro yet.
Is Seed 2.0 Pro open source?
No. Seed 2.0 Pro is proprietary; you use it through Volcengine Ark’s API or partner platforms.
What inputs does Seed 2.0 Pro support?
Seed 2.0 Pro accepts text, images and video and replies in text. It is a reasoning model with minimal, low, medium, high, xhigh and max effort settings, supports tool calling and can return structured JSON output.
When was Seed 2.0 Pro released?
ByteDance Seed released Seed 2.0 Pro on Feb 14, 2026.
What are the best alternatives to Seed 2.0 Pro?
The closest current models from other labs on capability, price and release date are MiniMax-M2.5-highspeed (MiniMax, $0.60 / $2.40), DeepSeek OCR 2 (DeepSeek, $0.89 / $1.47), Qwen3.5 27B (Alibaba (Qwen), $0.30 / $2.40) and Nova 2 Lite (Amazon, $0.33 / $2.75).