Pricing, Limits & Models
Free to start; hard caps so costs never surprise you.
The Larz API is free to start and priced by usage tier. Every key has a hard monthly token cap, so costs can never run away.
Tiers
| Tier | Rate | Tokens / month | Models |
|---|---|---|---|
| Free | 60/min | 200,000 | drlarz-chat, drlarz-fast |
| Pro | 600/min | 5,000,000 | all models + tool publishing |
| Business | 2,000/min | 30,000,000 | all + pooled + revenue share |
Usage headers
Every response includes live quota headers, so you can show usage in your own app:
X-Larz-Ratelimit-Limit: 60
X-Larz-Ratelimit-Remaining: 59
X-Larz-Tokens-Remaining: 199767
X-Larz-Tier: free
Or query it anytime: GET https://api.larzos.com/v1/usage.
Models
| Model | Best for | Min tier |
|---|---|---|
| drlarz-chat | General generation | Free |
| drlarz-fast | Low-latency tasks | Free |
| drlarz-smart | Harder reasoning | Pro |
| drlarz-max | Highest quality | Pro |
| drlarz-coder | Code | Pro |