Benchmark Scores
83.8/100MMLU86
HumanEval84.5
Math80
Reasoning85
Coding83.5
About Yi-Lightning 2
Yi-Lightning 2 is 01.AI's speed-optimized model delivering strong performance at competitive pricing. It excels in Chinese and English with fast response times for production applications.
Strengths
- +Fast inference
- +Strong multilingual (Chinese/English)
- +Good cost efficiency
- +128K context
Weaknesses
- -Less established outside Asia
- -Limited ecosystem
- -Fewer integrations
Pricing
Per 1M tokens
Input$0.60
Output$2.40
Quick Facts
- Context Window
- 128K
- Parameters
- Undisclosed
- Release Date
- 2025-09-01
- Category
- Mid-Tier
Compare Models
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