Seed-OSS Chat on GPQA Diamond: score, rank and what it means
Seed-OSS Chat scores 69.7 on GPQA Diamond, placing it #277 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 Chat 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 Chat sits at #277 of 600. The leader, GPT-5.2 Reasoning, scores 87.0, so the gap to the top is 17.3 points. The median model in this index scores 68.8, which puts Seed-OSS Chat above the midpoint.
ByteDance models average 67.2 on this benchmark. Seed-OSS Chat is 2.5 points above that provider line, so it is a stronger result than the average ByteDance model.
Among multimodal models, the average is 73.5. Seed-OSS Chat is 3.8 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.
Read a 69.7 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 $3.49 per million input tokens, Seed-OSS Chat 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 |
|---|---|---|---|---|
| Nova Lite Max | Amazon | 200000 | $9.79 | 73.4 |
| Yi-Lightning Chat | 01.AI | 32768 | $3.79 | 75.5 |
| Llama 3.1 Cerebras Chat | Cerebras | 32768 | $4.07 | 76.0 |
| Mixtral Turbo Instruct | Together AI | 32768 | $3.16 | 71.9 |
| Seed-OSS Chat | ByteDance | 65536 | $3.49 | 74.4 |
| Claude Sonnet 4.5 Mini | Anthropic | 32768 | $11.43 | 76.5 |
| Mixtral Turbo | Together AI | 65536 | $3.20 | 72.4 |
Other benchmarks for Seed-OSS Chat
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 76.2 | 299 | 50th | |
| SWE-bench Verified | 63.9 | 236 | 61th | |
| HumanEval | 79.9 | 237 | 61th | |
| MATH-500 | 75.5 | 314 | 48th | |
| AIME 2025 | 71.0 | 236 | 61th | |
| LiveCodeBench | 63.8 | 325 | 46th | |
| IFEval | 83.6 | 227 | 62th | |
| TruthfulQA | 76.5 | 296 | 51th | |
| HellaSwag | 85.7 | 226 | 62th | |
| MMMU | 72.9 | 225 | 63th | |
| Arena Elo | 1382.4 | 269 | 55th |
FAQ
What score does Seed-OSS Chat get on GPQA Diamond?
Seed-OSS Chat scores 69.7 on GPQA Diamond in this index. The benchmark average is 65.6 and the top score is 87.0.
How does Seed-OSS Chat rank on GPQA Diamond?
It ranks #277 of 600 models, in the 54th percentile. The leader is GPT-5.2 Reasoning at 87.0.
Is Seed-OSS Chat good at GPQA Diamond?
Yes, relative to the index: it is above the median and inside the top half of scores. 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 Chat cost?
Seed-OSS Chat costs $3.49 per million input tokens and $14.42 per million output tokens.