GPT-4o mini vs Yi-Lightning

Performance benchmarks + pricing comparison — updated April 2026

GPT-4o mini

OpenAI

Affordable small model. Fast and cost-effective for high-volume coding tasks.

Input$0.150/M
Output$0.600/M
Context128K tokens
Best ForHigh-volume tasks, simple coding, cost-sensitive projects
Benchmark58/100

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

Cost Comparison by Scenario

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

ScenarioGPT-4o miniYi-LightningSavings
Small Script (1K lines) $0.02 $0.02 Yi-Lightning saves <$0.01 (5%)
Medium Feature (10K lines) $0.18 $0.17 Yi-Lightning saves $0.01 (6%)
Large Project (50K lines) $0.92 $0.86 Yi-Lightning saves $0.06 (6%)
Code Review (5K lines) $0.05 $0.04 Yi-Lightning saves <$0.01 (12%)

Verdict

GPT-4o mini 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