yi-lightning: benchmark scores, price and ranking
yi-lightning ranks #356 of 743 LLMs on the LLMs Tiger aggregate benchmark score (48.4), based on 2 benchmark results captured up to 2026-10-13.
- Type
- Frontier model
- Open weights
- No
- Aggregate rank
- #356 of 743 (score 48.4)
Across the 2 benchmarks where at least ten models are scored, yi-lightning is in the top 10% on 0 and in the top half on 1.
yi-lightning benchmark results
| Benchmark | Score | Rank | Source | Captured |
|---|---|---|---|---|
| Aider Code Editing | 65.4% | #30 of 92 | Aider Aider Code Editing leaderboard | 2026-10-13 |
| Aider Polyglot | 12.9% | #43 of 49 | Aider polyglot leaderboard | 2026-10-13 |
About yi-lightning
yi-lightning is a frontier model. No API price is listed for it yet. We hold 2 benchmark results for it across 1 area, and none is in the top tenth of its board.
Where yi-lightning stands
On our aggregate score, yi-lightning is #356 of 743 ranked models, around the middle of the table. Its score is 48.4; the scale is centred on 50, so it sits 1.6 points below the typical model. That beats 52% of the ranked field.
yi-lightning, benchmark by benchmark
Aider Code Editing puts yi-lightning at 65.4%, #30 of 92. That beats 67% of the models tested, but 18.8 points short of Claude 3.5-Sonnet-20241022 (84.2%). The results either side are qwen-2.5-72b-instruct (65.4%) and gpt-4-turbo-2024-04-09 (63.9%). It covers Aider official benchmark. The board median is 55.6%, so yi-lightning is 9.8 points above it. Source: Aider Aider Code Editing leaderboard, captured 2026-10-13.
Aider Polyglot is a weak spot. yi-lightning scores 12.9%, #43 of 49, behind 86% of the models measured. The leader, gemini-2.5-pro-preview-06-05, reaches 83.1%. It covers edits across 6 languages (225 exercises). The board median is 44.9%, so yi-lightning is 32.0 points below it. Source: Aider polyglot leaderboard, captured 2026-10-13.
Strengths and weaknesses
Software engineering: uneven, ahead of 40% of the field on average across 2 benchmarks. Its best board here is Aider Code Editing (#30 of 92) and its weakest is Aider Polyglot (#43 of 49).
Reading these numbers
The 2 scores on this page come from 2 sources: Aider Aider Code Editing leaderboard (1), Aider polyglot leaderboard (1). 2 of them come from an official leaderboard and 0 from datasets or third-party runs. With 2 results the aggregate rank can move a lot when one new score arrives.
Models ranked nearby
- #353 gemini-1.5-flash-002 (0924) (48.4)
- #354 Grok Build + Grok 4.6 (48.4)
- #355 GLM-4.7 (Novita) (48.4)
- #357 Kimi K2.6 (48.4)
- #358 o1-mini (high) (48.4)
- #359 EXAONE-3.5-32B-Instruct (48.4)
Compare it on the live leaderboard → · How the aggregate score works