Yi-Lightning 8B on GPQA Diamond: score, rank and what it means
Yi-Lightning 8B scores 55.2 on GPQA Diamond, placing it #461 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 Yi-Lightning 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, Yi-Lightning 8B sits at #461 of 600. The leader, GPT-5.2 Reasoning, scores 87.0, so the gap to the top is 31.8 points. The median model in this index scores 68.8, which puts Yi-Lightning 8B below the midpoint.
01.AI models average 61.2 on this benchmark. Yi-Lightning 8B is 6.0 points below that provider line, so it is a weaker result than the average 01.AI model.
Among small open-weight models, the average is 49.3. Yi-Lightning 8B is 5.9 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 55.2 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 $1.16 per million input tokens, Yi-Lightning 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 |
|---|---|---|---|---|
| Qwen3-Coder 7B | Alibaba Cloud | 32768 | $1.24 | 59.6 |
| Kimi K2 1.5B | Moonshot AI | 4096 | $0.99 | 56.8 |
| Qwen3-Coder 8B | Alibaba Cloud | 32768 | $1.43 | 61.3 |
| Qwen3 7B | Alibaba Cloud | 32768 | $1.37 | 59.8 |
| Yi-Lightning 8B | 01.AI | 4096 | $1.16 | 59.2 |
| Command R+ 8B | Cohere | 8192 | $1.21 | 57.7 |
| Llama 3.3 Groq 7B | Groq | 16384 | $1.01 | 56.7 |
Other benchmarks for Yi-Lightning 8B
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 65.3 | 449 | 25th | |
| SWE-bench Verified | 44.6 | 471 | 22th | |
| HumanEval | 60.4 | 499 | 17th | |
| MATH-500 | 60.2 | 460 | 23th | |
| AIME 2025 | 51.3 | 446 | 26th | |
| LiveCodeBench | 46.6 | 482 | 20th | |
| IFEval | 68.9 | 479 | 20th | |
| TruthfulQA | 65.8 | 448 | 25th | |
| HellaSwag | 74.1 | 455 | 24th | |
| MMMU | 58.6 | 449 | 25th | |
| Arena Elo | 1257.5 | 478 | 20th |
FAQ
What score does Yi-Lightning 8B get on GPQA Diamond?
Yi-Lightning 8B scores 55.2 on GPQA Diamond in this index. The benchmark average is 65.6 and the top score is 87.0.
How does Yi-Lightning 8B rank on GPQA Diamond?
It ranks #461 of 600 models, in the 23rd percentile. The leader is GPT-5.2 Reasoning at 87.0.
Is Yi-Lightning 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 Yi-Lightning 8B cost?
Yi-Lightning 8B costs $1.16 per million input tokens and $5.13 per million output tokens.