Yi-Lightning vs O3 Mini

Performance benchmarks + pricing comparison — updated April 2026

Yi-Lightning

01.ai

01.ai's cost-effective model. Competitive Chinese-English bilingual model at very low prices.

Input$0.150/M
Output$0.600/M
Context16K tokens
Best ForChinese-English translation, cost-sensitive applications

O3 Mini

OpenAI

OpenAI's reasoning model at lower cost. Strong at math, coding, and science tasks.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForMath, science, coding tasks requiring deep reasoning
Benchmark80/100

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioYi-LightningO3 MiniSavings
Small Script (1K lines) $0.02 $0.17 Yi-Lightning saves $0.15 (86%)
Medium Feature (10K lines) $0.17 $1.27 Yi-Lightning saves $1.09 (86%)
Large Project (50K lines) $0.86 $6.33 Yi-Lightning saves $5.46 (86%)
Code Review (5K lines) $0.04 $0.30 Yi-Lightning saves $0.26 (86%)

Verdict

Yi-Lightning wins on both price and performance — $0.150/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models