Yi-Lightning Base on MATH-500: score, rank and what it means
Yi-Lightning Base scores 77.0 on MATH-500, placing it #282 of 600 models in the index. The benchmark average is 72.5 and the leader is GPT-5.2 Max at 96.7.
Score distribution
The chart shows the top 10 models on MATH-500, with Yi-Lightning Base highlighted. Longer bars mean higher scores.
Top 10 leaderboard
| # | Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|---|
| 1 | GPT-5.2 Max | OpenAI | 1000000 | $21.39 | 89.2 |
| 2 | GPT-5.1 Reasoning | OpenAI | 400000 | $20.27 | 88.3 |
| 3 | GPT-5.1 Pro | OpenAI | 200000 | $19.77 | 87.8 |
| 4 | o4 Reasoning | OpenAI | 1000000 | $19.69 | 87.5 |
| 5 | Grok 4 Max | xAI | 2000000 | $19.70 | 86.6 |
| 6 | Grok 4 Reasoning | xAI | 2000000 | $19.67 | 87.8 |
| 7 | Claude Opus 4.5 Max | Anthropic | 1000000 | $20.90 | 87.8 |
| 8 | Claude Opus 4.5 | Anthropic | 400000 | $19.42 | 87.7 |
| 9 | Gemini 3 Pro Reasoning | Google DeepMind | 200000 | $19.69 | 87.5 |
| 10 | Claude Opus 4.5 Turbo | Anthropic | 2000000 | $19.57 | 85.7 |
What this score means
On MATH-500, Yi-Lightning Base sits at #282 of 600. The leader, GPT-5.2 Max, scores 96.7, so the gap to the top is 19.7 points. The median model in this index scores 76.0, which puts Yi-Lightning Base above the midpoint.
01.AI models average 67.4 on this benchmark. Yi-Lightning Base is 9.6 points above that provider line, so it is a stronger result than the average 01.AI model.
Among open-weight models, the average is 70.8. Yi-Lightning Base is 6.2 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 77.0 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 $3.31 per million input tokens, Yi-Lightning Base is below the median input price of $4.00 across the 600 models scored on MATH-500. 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 3.1 Instruct | Meta AI | 200000 | $4.05 | 75.7 |
| Llama 3.3 Base | Meta AI | 32768 | $3.63 | 74.0 |
| Mixtral Groq Instruct | Groq | 16384 | $3.25 | 72.5 |
| Reka Flash Reasoning | Reka AI | 32768 | $10.70 | 75.6 |
| Yi-Lightning Base | 01.AI | 16384 | $3.31 | 72.7 |
| Codestral Chat | Mistral AI | 32768 | $3.89 | 75.8 |
| Llama 3.1 Turbo Base | Together AI | 16384 | $3.30 | 73.0 |
Other benchmarks for Yi-Lightning Base
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 78.5 | 227 | 62th | |
| GPQA Diamond | 65.7 | 348 | 42th | |
| SWE-bench Verified | 62.0 | 282 | 53th | |
| HumanEval | 77.5 | 299 | 50th | |
| AIME 2025 | 70.6 | 247 | 59th | |
| LiveCodeBench | 61.5 | 356 | 41th | |
| IFEval | 80.0 | 333 | 45th | |
| TruthfulQA | 77.9 | 257 | 57th | |
| HellaSwag | 81.9 | 353 | 41th | |
| MMMU | 67.2 | 357 | 41th | |
| Arena Elo | 1369.2 | 321 | 47th |
FAQ
What score does Yi-Lightning Base get on MATH-500?
Yi-Lightning Base scores 77.0 on MATH-500 in this index. The benchmark average is 72.5 and the top score is 96.7.
How does Yi-Lightning Base rank on MATH-500?
It ranks #282 of 600 models, in the 53rd percentile. The leader is GPT-5.2 Max at 96.7.
Is Yi-Lightning Base good at MATH-500?
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 MATH-500 score calculated?
MATH-500 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 Base cost?
Yi-Lightning Base costs $3.31 per million input tokens and $16.31 per million output tokens.