Yi-1.5-9B-Chat: benchmark scores, price and ranking
Yi-1.5-9B-Chat from 01-ai ranks #503 of 743 LLMs on the LLMs Tiger aggregate benchmark score (46.6), based on 1 benchmark results captured up to 2026-10-13.
- Organisation
- 01-ai
- Type
- Open-weight / local model
- Open weights
- Yes
- Aggregate rank
- #503 of 743 (score 46.6)
Across the 1 benchmark where at least ten models are scored, Yi-1.5-9B-Chat is in the top 10% on 0 and in the top half on 0.
Yi-1.5-9B-Chat benchmark results
| Benchmark | Score | Rank | Source | Captured |
|---|---|---|---|---|
| MMLU-Pro | 46.0% | #84 of 136 | HuggingFace MMLU-Pro leaderboard | 2026-10-13 |
About Yi-1.5-9B-Chat
Yi-1.5-9B-Chat is an open-weight model that can run on your own hardware from 01-ai. No API price is listed for it yet. We hold 1 benchmark result for it across 1 area, and none is in the top tenth of its board.
Where Yi-1.5-9B-Chat stands
On our aggregate score, Yi-1.5-9B-Chat is #503 of 743 ranked models, in the lower half. Its score is 46.6; the scale is centred on 50, so it sits 3.4 points below the typical model. That beats 32% of the ranked field. Among the 3 ranked 01-ai models it is #1. The next one down is Yi-1.5-6B-Chat at 45.6.
Yi-1.5-9B-Chat, benchmark by benchmark
Yi-1.5-9B-Chat lands below the middle on MMLU-Pro: 46.0%, #84 of 136, with 61% of the field scoring higher. Darwin-180B-RSI leads at 88.1%; the closest result above is EXAONE-3.5-7.8B-Instruct at 46.2%. It covers 57-subject knowledge + reasoning. The board median is 55.3%, so Yi-1.5-9B-Chat is 9.3 points below it. Source: HuggingFace MMLU-Pro leaderboard, captured 2026-10-13.
Reading these numbers
The 1 score on this page comes from 1 source: HuggingFace MMLU-Pro leaderboard (1). No official leaderboard supplied any of them, so treat them as third-party measurements. With 1 results the aggregate rank can move a lot when one new score arrives.
Models ranked nearby
- #500 EXAONE-3.5-7.8B-Instruct (46.6)
- #501 GPT-4.5 Preview (Feb 2025) (46.6)
- #502 mimo-v2-pro (46.6)
- #504 Gemini Robotics-ER 1.6 Preview (46.6)
- #505 DeepSeek-V2 (46.6)
- #506 qwen3.6-plus (46.6)
More from 01-ai
- Yi-1.5-6B-Chat (#574, 45.6)
- Yi-6B-Chat (#645, 44.3)
Compare it on the live leaderboard → · How the aggregate score works