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ByteDance SeedProprietary
Doubao Seed 2.0 Pro
Doubao Seed 2.0 Pro is an inference model developed by the ByteDance Seed team. Equipped with a vast 256k context window, it is offered as a foundation model for advanced inference tasks.
Parameters
Undisclosed
Context Window
256
License
Proprietary
Release Date
2026-02
API Pricing
API pricing for this model is not yet available
Strengths
- ・Possesses advanced reasoning capabilities
- ・256k long-context understanding
- ・Efficient information processing
Weaknesses
- ・Not open-source
- ・Restrictive closed license
- ・Detailed external verification impossible
Use Cases
- ・Complex logical reasoning
- ・Long document analysis
- ・Advanced problem-solving
Deep Analysis
Context Window
256K tokens
AIME 2025
98.3%
Gold medals IMO, CMO, ICPC
GPQA Diamond
88.9%
SWE-Bench Verified
76.5%
Arena Text
6th overall
Pricing
$0.47/$2.37 per 1M tokens
Release Date
February 14, 2026
Strengths
- ・98.3% AIME 2025 with gold medals
- ・3020 Codeforces Elo (near grandmaster)
- ・89.5% VideoMME (hour-long video)
- ・~3.7x cheaper than GPT-5.2
Weaknesses
- ・Trails Claude Opus 4.5 on coding
- ・Weaker hallucination control
- ・Primarily Chinese-optimized
- ・Volcengine access requires identity verification
Competitor Comparison
| Model | Arena | SWE | GPQA | Price |
|---|---|---|---|---|
| GPT-5.2 | 1380 | 58.2% | 88.0% | $2.50/$10.00 |
| Claude Opus 4.5 | 68.4% | 86.5% | $12.00/$60.00 | |
| Gemini 3 Pro | 1389 | 63.2% | 87.5% | $1.25/$5.00 |
Doubao Seed 2.0 Pro is ByteDance's flagship reasoning model. 98.3% AIME, 3020 Codeforces, 6th in LMSYS Arena. ~3.7x cheaper than GPT-5.2.
Sources
Analysis generated: 2026-05-24