GPT-5.2 vs Yi Lightning
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Yi Lightning by 01.AI wins on 2 of 3 benchmarks against GPT-5.2 by OpenAI, which leads on 1. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.
Category-by-Category Breakdown
Context: In context, GPT-5.2 scores 400K on Context Length compared to Yi Lightning's 16K.
Pricing Comparison
GPT-5.2 costs $1.8/1M input tokens and $14.0/1M output tokens, while Yi Lightning costs $0.14/1M input and $0.14/1M output. Yi Lightning is the more affordable option for API usage.
Verdict
Yi Lightning leads across the board in affordability, making it the stronger overall choice in this comparison.
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GPT-5.2 vs Yi Lightning — FAQ
Which is better, GPT-5.2 or Yi Lightning?
Yi Lightning wins on more benchmarks overall (2 vs 1). However, the best choice depends on your specific needs — each model excels in different areas.
How does GPT-5.2 compare to Yi Lightning for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is GPT-5.2 cheaper than Yi Lightning?
Yes, Yi Lightning is cheaper. GPT-5.2 costs $1.8/1M input and $14.0/1M output tokens. Yi Lightning costs $0.14/1M input and $0.14/1M output tokens.
Which is faster, GPT-5.2 or Yi Lightning?
Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.
What benchmarks does the GPT-5.2 vs Yi Lightning comparison cover?
This comparison covers 3 benchmarks including Input Cost, Output Cost, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.