GPT-4 Turbo vs Yi-Lightning

Performance benchmarks + pricing comparison — updated April 2026

GPT-4 Turbo

OpenAI

Previous generation high-performance model. Good for complex reasoning tasks.

Input$10.00/M
Output$30.00/M
Context128K tokens
Best ForComplex reasoning, data extraction, analysis
Benchmark70/100

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-4 TurboYi-LightningSavings
Small Script (1K lines) $1.25 $0.02 Yi-Lightning saves $1.23 (98%)
Medium Feature (10K lines) $9.50 $0.17 Yi-Lightning saves $9.33 (98%)
Large Project (50K lines) $47.50 $0.86 Yi-Lightning saves $46.64 (98%)
Code Review (5K lines) $2.50 $0.04 Yi-Lightning saves $2.46 (98%)

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