Yi Lightning API Pricing
Yi Lightning is 01.AI's low-cost text model. The official 01.AI pricing row is a unified 0.99 CNY/M tokens, stored here as $0.147/M input and $0.147/M output at the project's dated CNY/USD reference rate. Checked by hand against platform.lingyiwanwu.com.
Yi Lightning API cost calculator.
Live calculator pre-loaded with current Yi Lightning rates. Tweak workload split, then share the URL to share the calculation.
Yi Lightning cost on real workloads.
Customer support turn
Bulk ticket classification
Short document translation
Intent router call
Counts use a chars-per-token calibration measured on the vendor's own published tokenizer (01-ai/Yi-1.5-34B-Chat, 2026-06-10). English prose is typically within a few percent; code and non-Latin scripts tokenize heavier. For billing-exact counts use the vendor's count-tokens API.
| Model | Input /M | Output /M | Effective blended | Context | Best for |
|---|---|---|---|---|---|
| Yi Lightning Current | $0.147 | $0.147 | $0.147 agentic 92/8 | 16K | Low-cost Chinese text routing |
| Hunyuan TurboS | $0.119 | $0.298 | $0.133 legacy · −10% | documented elsewhere | Tencent Cloud budget chat |
| Baichuan4 Air | $0.146 | $0.146 | $0.146 same | 32K | Low-cost Chinese text workloads |
| Gemini 3.5 Flash-Lite | $0.30 cache $0.03 | $2.50 | $0.272 +85% | 1M | Global multimodal low-cost work |
| MiniMax M3.1 Flash | $0.15 cache $0.015 | $0.60 | $0.0842 −43% | 1M | MiniMax agent loops |
Yi Lightning API pricing FAQ.
Practical Yi Lightning pricing questions, with source prices separated from workload assumptions.
Q · 01 What is the Yi Lightning API price? +
0.99 CNY/M tokens. AI//COST converts that to $0.1473/M input and $0.1473/M output using the reference rate of 6.7209 CNY/USD.Q · 02 Why are input and output the same? +
Q · 03 Does Yi Lightning have prompt caching? +
$0.1473/M token price for all input tokens.Q · 04 What context window does it support? +
16K context. That makes it a budget short-context model rather than a 1M-context archive option.Q · 05 When was this checked? +
May 23, 2026. The source URL is stored exactly as the official docs route used for this page.Q · 06 Are regional or enterprise discounts published? +
0.99 CNY/M unified price unless they have a private 01.AI agreement.