GPT-4.1 mini vs Yi-Lightning
Performance benchmarks + pricing comparison — updated April 2026
GPT-4.1 mini
OpenAICost-optimized GPT-4.1 variant. Strong coding capability at budget pricing, replacing GPT-4o mini for many use cases.
| Input | $0.400/M |
| Output | $1.60/M |
| Context | 128K tokens |
| Best For | High-volume coding, cost-sensitive projects, automation |
| Benchmark | 68/100 |
Yi-Lightning
01.ai01.ai's cost-effective model. Competitive Chinese-English bilingual model at very low prices.
| Input | $0.150/M |
| Output | $0.600/M |
| Context | 16K tokens |
| Best For | Chinese-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.
| Scenario | GPT-4.1 mini | Yi-Lightning | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.06 | $0.02 | Yi-Lightning saves $0.04 (63%) |
| Medium Feature (10K lines) | $0.46 | $0.17 | Yi-Lightning saves $0.29 (63%) |
| Large Project (50K lines) | $2.30 | $0.86 | Yi-Lightning saves $1.44 (63%) |
| Code Review (5K lines) | $0.11 | $0.04 | Yi-Lightning saves $0.07 (63%) |
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.
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