Yi-Lightning 7B on Arena Elo: score, rank and what it means
Yi-Lightning 7B scores 1261.9 on Arena Elo, placing it #472 of 600 models in the index. The benchmark average is 1349.9 and the leader is Claude Opus 4.5 Max at 1501.9.
Score distribution
The chart shows the top 10 models on Arena Elo, 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 Max | Anthropic | 1000000 | $20.90 | 87.8 |
| 2 | GPT-5.2 Reasoning | OpenAI | 1000000 | $20.98 | 87.5 |
| 3 | GPT-5.2 Turbo | OpenAI | 1000000 | $20.73 | 87.4 |
| 4 | Claude Opus 4.5 Reasoning | Anthropic | 2000000 | $20.91 | 88.2 |
| 5 | GPT-5.2 Max | OpenAI | 1000000 | $21.39 | 89.2 |
| 6 | Gemini 3 Pro Turbo | Google DeepMind | 400000 | $19.62 | 86.4 |
| 7 | Grok 4 Max | xAI | 2000000 | $19.70 | 86.6 |
| 8 | Claude Opus 4.5 | Anthropic | 400000 | $19.42 | 87.7 |
| 9 | GPT-5.1 Pro | OpenAI | 200000 | $19.77 | 87.8 |
| 10 | Grok 4 Reasoning | xAI | 2000000 | $19.67 | 87.8 |
What this score means
On Arena Elo, Yi-Lightning 7B sits at #472 of 600. The leader, Claude Opus 4.5 Max, scores 1501.9, so the gap to the top is 240.0 points. The median model in this index scores 1373.8, which puts Yi-Lightning 7B below the midpoint.
01.AI models average 1317.5 on this benchmark. Yi-Lightning 7B is 55.6 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 1224.7. Yi-Lightning 7B is 37.2 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 1261.9 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 Arena Elo. 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 4 Scout 7B | Meta AI | 32768 | $1.30 | 60.0 |
| Magistral 7B | Mistral AI | 32768 | $1.22 | 58.9 |
| Fusion Nano | OpenRouter | 8192 | $2.96 | 56.8 |
| Llama 3.1 Cerebras 7B | Cerebras | 32768 | $0.95 | 56.5 |
| Yi-Lightning 7B | 01.AI | 32768 | $1.00 | 55.9 |
| DeepSeek-Coder 7B | DeepSeek | 32768 | $1.14 | 57.3 |
| DeepSeek-Coder 8B | DeepSeek | 32768 | $1.26 | 58.7 |
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 | |
| AIME 2025 | 41.5 | 534 | 11th | |
| 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 |
FAQ
What score does Yi-Lightning 7B get on Arena Elo?
Yi-Lightning 7B scores 1261.9 on Arena Elo in this index. The benchmark average is 1349.9 and the top score is 1501.9.
How does Yi-Lightning 7B rank on Arena Elo?
It ranks #472 of 600 models, in the 21st percentile. The leader is Claude Opus 4.5 Max at 1501.9.
Is Yi-Lightning 7B good at Arena Elo?
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 Arena Elo score calculated?
Arena Elo is a preference 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.