Doubao Seed 2.1 Pro
Doubao Seed 2.1 Pro.
7
Benchmarks with a score
0
Ranked first, out of five or more models
0
In the top three
ByteDance Seed Jun 2026 Doubao Seed 2.1 Pro
Closed weights
No Epoch Capabilities Index score yet
- GPQA Diamond 89.3% #56 /229
- Chess Puzzles 21% #66 /93
- Doc2Harness 32.6% #14 /19
Where it ranks
Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.
Knowledge and language
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| SimpleQA Verified | 44.7% | #45 of 94 | Epoch AI run |
Math and science
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | #50 of 212 | Epoch AI run | |
| GPQA Diamond | 89.3% | #56 of 229 | Epoch AI run |
Coding
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| Doc2Harness | 32.6% | #14 of 19 | Official leaderboard |
Agents and tools
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| GameHorizon | 72.1 | #11 of 37 | Official leaderboard | |
| Chess Puzzles | 21% | #66 of 93 | Epoch AI run |
Professional work
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| OR-License | 65.2% | #9 of 11 | Official leaderboard |