Pricing
Zen LM API pricing -- transparent at 3x upstream inference cost
All pricing is per 1 million tokens. Zen models are priced at 3x upstream inference cost for transparent, sustainable pricing. Pay only for what you use.
- $5 free credit on every new account
- Expires in 30 days
- $1 minimum balance required to use the API
| Model | Tier | Input / 1M tokens | Output / 1M tokens |
|---|
| zen4 | ultra max | $3.00 | $9.60 |
| zen4-ultra | ultra max | $3.00 | $9.60 |
| zen4-pro | ultra | $2.70 | $2.70 |
| zen4-max | ultra | $3.60 | $3.60 |
| zen4-mini | pro | $0.60 | $0.60 |
| zen4-thinking | pro max | $2.70 | $2.70 |
| zen4-coder | ultra | $3.60 | $3.60 |
| zen4-coder-pro | ultra max | $4.50 | $4.50 |
| zen4-coder-flash | pro max | $1.50 | $1.50 |
| Model | Tier | Input / 1M tokens | Output / 1M tokens |
|---|
| zen3-omni | pro max | $1.80 | $6.60 |
| zen3-vl | pro max | $0.45 | $1.80 |
| zen3-nano | pro | $0.30 | $0.30 |
| zen3-guard | pro | $0.30 | $0.30 |
| zen3-embedding | pro max | $0.39 | -- |
| Tier | Description |
|---|
| pro | Cost-effective for high-volume workloads |
| pro max | Enhanced capability with efficient pricing |
| ultra | High-capability production models |
| ultra max | Maximum capability frontier models |
Zen pricing is set at 3x the upstream Fireworks inference cost for each model. This covers Hanzo infrastructure, identity optimization, API management, and margin. The upstream model and provider are disclosed on every model page for full transparency.
- Prepaid: Add credits via console.hanzo.ai
- Minimum balance: $1.00 required to make API calls
- Usage tracking: Real-time usage visible in console
- No surprise bills: Service stops when credits are depleted
| Task | Model | ~Tokens | ~Cost |
|---|
| 100 chat messages | zen4-mini | 50K in + 50K out | $0.06 |
| 1,000 code completions | zen4-coder-flash | 500K in + 500K out | $1.50 |
| 10K embeddings | zen3-embedding | 1M in | $0.39 |
| Heavy daily usage | zen4 | 1M in + 1M out | $12.60 |
| Vision analysis (1K images) | zen3-vl | 500K in + 200K out | $0.59 |
- Create an account at console.hanzo.ai
- Your $5 free credit is applied automatically
- Generate an API key (prefix:
hk-)
- Start making requests to
https://api.hanzo.ai/v1