Seed-OSS 8B on GPQA Diamond: score, rank and what it means
Seed-OSS 8B scores 54.5 on GPQA Diamond, placing it #473 of 600 models in the index. The benchmark average is 65.6 and the leader is GPT-5.2 Reasoning at 87.0.
Score distribution
The chart shows the top 10 models on GPQA Diamond, with Seed-OSS 8B highlighted. Longer bars mean higher scores.
Top 10 leaderboard
| # | Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|---|
| 1 | GPT-5.2 Reasoning | OpenAI | 1000000 | $20.98 | 87.5 |
| 2 | GPT-5.1 Max | OpenAI | 2000000 | $20.50 | 87.9 |
| 3 | Claude Opus 4.5 Pro | Anthropic | 200000 | $20.98 | 89.1 |
| 4 | GPT-5.1 Reasoning | OpenAI | 400000 | $20.27 | 88.3 |
| 5 | Claude Sonnet 4.5 Reasoning | Anthropic | 400000 | $19.48 | 87.7 |
| 6 | GPT-5.2 | OpenAI | 2000000 | $19.71 | 88.0 |
| 7 | o4 Turbo | OpenAI | 2000000 | $19.34 | 86.6 |
| 8 | Claude Opus 4.5 Max | Anthropic | 1000000 | $20.90 | 87.8 |
| 9 | Grok 4 Turbo | xAI | 1000000 | $19.21 | 86.7 |
| 10 | Claude Sonnet 4.5 Max | Anthropic | 1000000 | $19.90 | 87.2 |
What this score means
On GPQA Diamond, Seed-OSS 8B sits at #473 of 600. The leader, GPT-5.2 Reasoning, scores 87.0, so the gap to the top is 32.5 points. The median model in this index scores 68.8, which puts Seed-OSS 8B below the midpoint.
ByteDance models average 67.2 on this benchmark. Seed-OSS 8B is 12.7 points below that provider line, so it is a weaker result than the average ByteDance model.
Among small open-weight models, the average is 49.3. Seed-OSS 8B is 5.2 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.
Read a 54.5 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.
Price context
At $1.05 per million input tokens, Seed-OSS 8B is below the median input price of $4.00 across the 600 models scored on GPQA Diamond. The models immediately around it in the ranking are shown below so you can compare score and price together.
| Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|
| Llama 3 Modal 8B | Modal | 32768 | $0.98 | 56.6 |
| Llama 3.1 Cerebras 8B | Cerebras | 32768 | $1.02 | 58.2 |
| MiniMax-Text 7B | MiniMax | 16384 | $1.10 | 57.7 |
| GLM-4.5 7B | Zhipu AI | 8192 | $1.32 | 60.2 |
| Seed-OSS 8B | ByteDance | 8192 | $1.05 | 57.1 |
| Llama 3.1 7B | Meta AI | 8192 | $1.01 | 57.4 |
| DeepSeek-R1 1.5B | DeepSeek | 16384 | $1.04 | 56.6 |
Other benchmarks for Seed-OSS 8B
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 64.3 | 464 | 23th | |
| SWE-bench Verified | 40.6 | 516 | 14th | |
| HumanEval | 61.3 | 480 | 20th | |
| MATH-500 | 58.6 | 483 | 20th | |
| AIME 2025 | 43.4 | 519 | 14th | |
| LiveCodeBench | 46.0 | 487 | 19th | |
| IFEval | 69.3 | 471 | 22th | |
| TruthfulQA | 62.3 | 499 | 17th | |
| HellaSwag | 70.9 | 524 | 13th | |
| MMMU | 56.6 | 479 | 20th | |
| Arena Elo | 1267.1 | 465 | 23th |
FAQ
What score does Seed-OSS 8B get on GPQA Diamond?
Seed-OSS 8B scores 54.5 on GPQA Diamond in this index. The benchmark average is 65.6 and the top score is 87.0.
How does Seed-OSS 8B rank on GPQA Diamond?
It ranks #473 of 600 models, in the 21st percentile. The leader is GPT-5.2 Reasoning at 87.0.
Is Seed-OSS 8B good at GPQA Diamond?
It is below the median for this benchmark, so test it carefully before relying on it for this capability. The result should be read alongside its price and context window.
How is the GPQA Diamond score calculated?
GPQA Diamond is a reasoning benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.
What does Seed-OSS 8B cost?
Seed-OSS 8B costs $1.05 per million input tokens and $5.47 per million output tokens.