Yi-Lightning 7B on AIME 2025: score, rank and what it means
Yi-Lightning 7B scores 41.5 on AIME 2025, placing it #534 of 600 models in the index. The benchmark average is 63.6 and the leader is Claude Opus 4.5 Pro at 91.4.
Score distribution
The chart shows the top 10 models on AIME 2025, with Yi-Lightning 7B highlighted. Longer bars mean higher scores.
Top 10 leaderboard
| # | Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|---|
| 1 | Claude Opus 4.5 Pro | Anthropic | 200000 | $20.98 | 89.1 |
| 2 | GPT-5.2 Pro | OpenAI | 2000000 | $21.32 | 89.6 |
| 3 | GPT-5.1 Pro | OpenAI | 200000 | $19.77 | 87.8 |
| 4 | GPT-5.2 | OpenAI | 2000000 | $19.71 | 88.0 |
| 5 | o4 Reasoning | OpenAI | 1000000 | $19.69 | 87.5 |
| 6 | o4 Pro | OpenAI | 1000000 | $19.37 | 87.3 |
| 7 | Claude Opus 4.5 | Anthropic | 400000 | $19.42 | 87.7 |
| 8 | Gemini 3 Pro Max | Google DeepMind | 2000000 | $20.57 | 87.9 |
| 9 | Claude Opus 4.5 Max | Anthropic | 1000000 | $20.90 | 87.8 |
| 10 | Claude Opus 4.5 Reasoning | Anthropic | 2000000 | $20.91 | 88.2 |
What this score means
On AIME 2025, Yi-Lightning 7B sits at #534 of 600. The leader, Claude Opus 4.5 Pro, scores 91.4, so the gap to the top is 49.9 points. The median model in this index scores 67.6, which puts Yi-Lightning 7B below the midpoint.
01.AI models average 56.6 on this benchmark. Yi-Lightning 7B is 15.1 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 41.6. Yi-Lightning 7B is 0.1 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 41.5 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 $1.00 per million input tokens, Yi-Lightning 7B is below the median input price of $4.00 across the 600 models scored on AIME 2025. 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 |
|---|---|---|---|---|
| Mixtral 7B | Mistral AI | 16384 | $0.70 | 54.1 |
| Kimi K1.5 1.5B | Moonshot AI | 4096 | $0.75 | 53.2 |
| Llama 4 Maverick 1.5B | Meta AI | 8192 | $0.93 | 55.2 |
| Qwen3 1.5B | Alibaba Cloud | 4096 | $0.84 | 53.5 |
| Yi-Lightning 7B | 01.AI | 32768 | $1.00 | 55.9 |
| OLMo 2 7B | Allen Institute for AI | 16384 | $0.56 | 51.7 |
| OLMo 2 8B | Allen Institute for AI | 4096 | $0.64 | 52.5 |
Other benchmarks for Yi-Lightning 7B
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 62.0 | 503 | 16th | |
| GPQA Diamond | 50.6 | 517 | 14th | |
| SWE-bench Verified | 39.7 | 526 | 12th | |
| HumanEval | 58.0 | 525 | 13th | |
| MATH-500 | 60.0 | 466 | 22th | |
| LiveCodeBench | 45.8 | 490 | 18th | |
| IFEval | 65.7 | 526 | 12th | |
| TruthfulQA | 62.5 | 496 | 17th | |
| HellaSwag | 71.6 | 508 | 15th | |
| MMMU | 57.0 | 471 | 22th | |
| Arena Elo | 1261.9 | 472 | 21th |
FAQ
What score does Yi-Lightning 7B get on AIME 2025?
Yi-Lightning 7B scores 41.5 on AIME 2025 in this index. The benchmark average is 63.6 and the top score is 91.4.
How does Yi-Lightning 7B rank on AIME 2025?
It ranks #534 of 600 models, in the 11th percentile. The leader is Claude Opus 4.5 Pro at 91.4.
Is Yi-Lightning 7B good at AIME 2025?
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 AIME 2025 score calculated?
AIME 2025 is a mathematics 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 7B cost?
Yi-Lightning 7B costs $1.00 per million input tokens and $3.69 per million output tokens.