Provider pricing
01.AI AI API pricing
01.AI has 11 priced models in the public snapshot. For 1,000 input and 500 output tokens, Yi-Coder 9B has the lowest recorded request cost at $0.00015, with $0.1 input and $0.1 output per million tokens.
Best for
Cost-sensitive teams wanting frontier price-performance and bilingual support.
Strengths
- Yi-Lightning: top-3 LMSYS Arena scores at sub-$0.50/M pricing
- Open weights for the Yi 1.5 series — Apache-licensed
- Strong bilingual Chinese + English performance
- Available on platform.lingyiwanwu.com and Together/Fireworks mirrors
Tracked 01.AI models
| Model | Input $/M | Output $/M | Context | Tier | Best for |
|---|---|---|---|---|---|
| Yi-Lightning | $0.140 | $0.140 | 16,384 | Flagship | Low-latency flagship for chat and reasoning |
| Yi-Large | $3.00 | $3.00 | 32,768 | Flagship | Bilingual EN/ZH reasoning model |
| Yi-Medium | $0.500 | $0.500 | 16,384 | Mid-tier | Balanced cost-quality model |
| Yi-VL Plus | $0.500 | $0.500 | 16,384 | Mid-tier | Bilingual vision-language model for charts and OCR |
| Yi-Coder 9B | $0.100 | $0.100 | 128,000 | Open Source | Open-weight 9B code model — competitive with 33B on benchmarks |
| Yi-2 Lightning | $0.200 | $0.200 | 32,768 | Flagship | Next-gen Yi — low-latency bilingual flagship for chat and reasoning |
Last updated: · Source: No official pricing URL recorded · Methodology
Frequently asked questions
How much does the 01.AI API cost?
01.AI has 11 priced models in the public snapshot. For 1,000 input and 500 output tokens, Yi-Coder 9B has the lowest recorded request cost at $0.00015, with $0.1 input and $0.1 output per million tokens.
Which 01.AI model is cheapest?
Yi-Coder 9B is the lowest-cost recorded model for the 1,000-input/500-output example. Prices are $0.1 input and $0.1 output per million tokens; different workloads may change the ranking.
Does 01.AI have cached or batch prices?
Cached input: not separately recorded. Batch: not recorded in this dataset. Eligibility and cache-write charges depend on the provider; these discounts are not automatically stacked.
How often are provider prices verified?
The live pricing table synchronizes stored model records daily; public file snapshots update when the site is rebuilt. Synchronization is not independent provider verification. Snapshot updated 2026-10-31; only explicit per-model dates are verification records.