Yi 6B: benchmark scores, price and ranking

Yi 6B from 01.AI ranks #654 of 743 LLMs on the LLMs Tiger aggregate benchmark score (44.0), based on 2 benchmark results captured up to 2026-10-13.

Organisation: 01.AI
Type: Open-weight / local model
Open weights: Yes
Released: 2023-11-22 (source: epoch)
Aggregate rank: #654 of 743 (score 44.0)

Across the 2 benchmarks where at least ten models are scored, Yi 6B is in the top 10% on 0 and in the top half on 0.

Yi 6B benchmark results

Yi 6B benchmark scores, ranked against all models measured on each benchmark
Benchmark	Score	Rank	Source	Captured
Epoch ECI	105	#172 of 204	Epoch AI Benchmarking Hub	2026-10-13
MMLU-Pro	26.5%	#122 of 136	HuggingFace MMLU-Pro leaderboard	2026-10-13

About Yi 6B

Yi 6B is an open-weight model that can run on your own hardware from 01.AI. It was released on 2023-11-22, according to Epoch AI. No API price is listed for it yet. We hold 2 benchmark results for it across 2 areas, and none is in the top tenth of its board.

Where Yi 6B stands

On our aggregate score, Yi 6B is #654 of 743 ranked models, in the lower half. Its score is 44.0; the scale is centred on 50, so it sits 6.0 points below the typical model. That beats 12% of the ranked field. Among the 4 ranked 01.AI models it is #4. The next one up is Yi-34B-Chat at 44.0.

Yi 6B, benchmark by benchmark

Epoch ECI is a weak spot. Yi 6B scores 105, #172 of 204, behind 84% of the models measured. The leader, Qwen 3.8 Max, reaches 156. It covers Epoch Capabilities Index: Epoch's own aggregate of ~40 benchmarks. The board median is 127, so Yi 6B is 23 points below it. Source: Epoch AI Benchmarking Hub, captured 2026-10-13.

MMLU-Pro is a weak spot. Yi 6B scores 26.5%, #122 of 136, behind 89% of the models measured. The leader, Darwin-180B-RSI, reaches 88.1%. It covers 57-subject knowledge + reasoning. The board median is 55.3%, so Yi 6B is 28.7 points below it. Source: HuggingFace MMLU-Pro leaderboard, captured 2026-10-13.

Strengths and weaknesses

Yi 6B has too few results on boards with ten or more models to say where it is strong or weak. Treat any single score as a data point, not a verdict.

Release history

The 01.AI model released before it was Yi-34B-Chat on 2023-11-22, which scores 44.0. The next one was Yi-1.5-34B-Chat on 2024-05-13, at 44.4.

Reading these numbers

The 2 scores on this page come from 2 sources: Epoch AI Benchmarking Hub (1), HuggingFace MMLU-Pro leaderboard (1). No official leaderboard supplied any of them, so treat them as third-party measurements. With 2 results the aggregate rank can move a lot when one new score arrives.

Models ranked nearby

#651 Mellum2-12B-A2.5B-Base (44.0)
#652 Mellum2-12B-A2.5B-Base-Pretrain (44.0)
#653 Phi-3-medium-128k-instruct (44.0)
#655 Mistral Small 3.2 (44.0)
#656 Hermes-2-Theta-Llama-3-70B (44.0)
#657 qwen2-72b-instruct (43.9)