ByteDanceDoubao Seed 2.1 Pro 260628
As of 6 Nov 2026, Doubao Seed 2.1 Pro 260628 by ByteDance is not yet ranked on the BenchLeader Index, which needs at least five independent results across two categories. Released 23 Jun 2026.
Key facts (as of 6 Nov 2026)
- Doubao Seed 2.1 Pro 260628 was released on 23 Jun 2026 (ByteDance).
In detail. Doubao Seed 2.1 Pro 260628 is a ByteDance model, released 23 Jun 2026. It is not yet ranked: the index needs at least five independent results across two categories. Last measured 23 Jun 2026.
- Blended price
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- Output speed
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- First answer
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- Context
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- Full answer
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- Cost per task
- –
- Tokens per task
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- Released
- 23 Jun 2026
- Reasoning64
- Maths65
- Knowledge53
Versions
ByteDance has shipped 2 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| Doubao Seed 2.1 Pro 260628highthis page | 23 Jun 2026 | – | – |
| Doubao Seed 2.0 Pro 260215high | 14 Feb 2026 | – | – |
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | high | Source |
|---|---|---|
| GPQA Diamond | 89.3%#58 | Epoch AI Benchmarking Hub |
| Chess Puzzlesnot in index | 21.0%#91 | Epoch AI Benchmarking Hub |
Maths
| Benchmark | high | Source |
|---|---|---|
| OTIS Mock AIME | 95.6%#48 | Epoch AI Benchmarking Hub |
Knowledge
| Benchmark | high | Source |
|---|---|---|
| SimpleQA Verified | 44.7%#41 | Epoch AI Benchmarking Hub |
More from ByteDance
See also
Questions people ask
- Why does Doubao Seed 2.1 Pro 260628 have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories, and as of 6 Nov 2026 Doubao Seed 2.1 Pro 260628 does not have them yet. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
- When was Doubao Seed 2.1 Pro 260628 released?
- ByteDance released Doubao Seed 2.1 Pro 260628 on 23 Jun 2026.
Data as of 6 Nov 2026. Compare with another model.
Cite as: BenchLeader, “Doubao Seed 2.1 Pro 260628: benchmarks, pricing, speed and rank”, data as of 6 Nov 2026, https://www.benchleader.com/models/doubao-seed-2-1-pro-260628.