ByteDance Seed 2.0 Pro
ByteDance's flagship Seed 2.0 reasoning model for complex analysis, coding and agentic tool use, with image input and a 256K context.
Seed 2.0 Pro is a cloud text model from ByteDance. It is multimodal: alongside a text prompt it accepts images, then replies with generated text. Its context window handles up to 229K input tokens and up to 131K output tokens, and it supports adjustable reasoning effort for harder problems. Generation can be tuned with system instructions. It runs through ByteDance using your own API key, from $0.50 per million input tokens.
- Released
- Mar 2026
- Pricing
- $0.50 / 1M in · $3.00 / 1M out
- Inputs
- Text, Images
- Context window
- 229K in · 131K out
- Reasoning
- Adjustable effort
- Controls
- System prompt
- Text rank
- #68
- Vision rank
- #49
ByteDance
ByteDance's AI labs ship the Seedream image models and the Seedance video models, among other Doubao-branded research.
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