Yi-Lightning Base on LiveCodeBench: score, rank and what it means
Yi-Lightning Base scores 61.5 on LiveCodeBench, placing it #356 of 600 models in the index. The benchmark average is 61.0 and the leader is Claude Sonnet 4.5 Reasoning at 85.1.
Score distribution
The chart shows the top 10 models on LiveCodeBench, with Yi-Lightning Base highlighted. Longer bars mean higher scores.
Top 10 leaderboard
| # | Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|---|
| 1 | Claude Sonnet 4.5 Reasoning | Anthropic | 400000 | $19.48 | 87.7 |
| 2 | Grok 4 Reasoning | xAI | 2000000 | $19.67 | 87.8 |
| 3 | Claude Opus 4.5 | Anthropic | 400000 | $19.42 | 87.7 |
| 4 | GPT-5.2 Max | OpenAI | 1000000 | $21.39 | 89.2 |
| 5 | Grok 4 Turbo | xAI | 1000000 | $19.21 | 86.7 |
| 6 | GPT-5.1 Turbo | OpenAI | 2000000 | $19.19 | 86.1 |
| 7 | GPT-5.2 Pro | OpenAI | 2000000 | $21.32 | 89.6 |
| 8 | GPT-5.2 Reasoning | OpenAI | 1000000 | $20.98 | 87.5 |
| 9 | Claude Opus 4.5 Pro | Anthropic | 200000 | $20.98 | 89.1 |
| 10 | Gemini 3 Pro Max | Google DeepMind | 2000000 | $20.57 | 87.9 |
What this score means
On LiveCodeBench, Yi-Lightning Base sits at #356 of 600. The leader, Claude Sonnet 4.5 Reasoning, scores 85.1, so the gap to the top is 23.6 points. The median model in this index scores 64.7, which puts Yi-Lightning Base below the midpoint.
01.AI models average 55.4 on this benchmark. Yi-Lightning Base is 6.1 points above that provider line, so it is a stronger result than the average 01.AI model.
Among open-weight models, the average is 59.1. Yi-Lightning Base is 2.4 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 61.5 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 $3.31 per million input tokens, Yi-Lightning Base is below the median input price of $4.00 across the 600 models scored on LiveCodeBench. 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 |
|---|---|---|---|---|
| ERNIE 4.0 Mini | Baidu | 32768 | $7.11 | 68.8 |
| Llama 3.1 Base | Meta AI | 32768 | $3.39 | 72.2 |
| Arctic | Snowflake | 8192 | $2.72 | 68.8 |
| Arctic Chat | Snowflake | 16384 | $2.70 | 69.8 |
| Yi-Lightning Base | 01.AI | 16384 | $3.31 | 72.7 |
| Firefunction | Fireworks AI | 16384 | $8.16 | 72.3 |
| Mixtral Turbo Instruct | Together AI | 32768 | $3.16 | 71.9 |
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 | |
| MATH-500 | 77.0 | 282 | 53th | |
| AIME 2025 | 70.6 | 247 | 59th | |
| 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 LiveCodeBench?
Yi-Lightning Base scores 61.5 on LiveCodeBench in this index. The benchmark average is 61.0 and the top score is 85.1.
How does Yi-Lightning Base rank on LiveCodeBench?
It ranks #356 of 600 models, in the 41st percentile. The leader is Claude Sonnet 4.5 Reasoning at 85.1.
Is Yi-Lightning Base good at LiveCodeBench?
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 LiveCodeBench score calculated?
LiveCodeBench is a coding 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.