# Zen5 Mini — Use via Hanzo AI API

> Frontier agentic at the lowest cost in the family. Built on a 230B agentic... Call via Hanzo's OpenAI-compatible API. Context: 1M.

[Models](https://hanzo.ai/models)/[Hanzo](https://hanzo.ai/models/hanzo)/zen5-mini

Hanzo · pro

# Zen5 Mini

Frontier agentic at the lowest cost in the family.

[Get API key](https://platform.hanzo.ai/api-keys)[Try in Chat](https://hanzo.ai/chat)

[Benchmarks](https://hanzo.ai/benchmarks#zen)

POST /v1/chat/completionsexample

{ "model": "zen5-mini",
"messages": [{ "role": "user", "content": "Who are you?" }] }

Zen5 MiniFrontier agentic at the lowest cost in the family. Built on a 230B agentic MoE (10B active) (230B MoE / 10B active, released Feb 2026). 80.2% SWE-Bench Verified, 76.3% BrowseComp; trained on 200K+ real-world environments via large-scale RL.

1Mtext

## Specifications

Context Window1M

Active Params10B

ArchitectureMoE

Modalitiestext

Price…

Model IDzen5-mini

192K context window · 230B total / 10B active (MoE) · Zen agentic base · Frontier agentic / coding · Lowest $/token in family

## Quick start

[Get an API key →](https://platform.hanzo.ai/api-keys)

TypeScript

Python

cURL

Go

TypeScript

```
import OpenAI from 'openai' const client = new OpenAI({ apiKey: process.env.HANZO_API_KEY, baseURL: 'https://api.hanzo.ai/v1' }) const response = await client.chat.completions.create({ model: 'zen5-mini', messages: [{ role: 'user', content: 'Hello!' }] }) console.log(response.choices[0].message.content)
```

Python

```
from openai import OpenAI client = OpenAI( api_key=os.environ["HANZO_API_KEY"], base_url="https://api.hanzo.ai/v1" ) response = client.chat.completions.create( model="zen5-mini", messages=[{"role": "user", "content": "Hello!"}] ) print(response.choices[0].message.content)
```

cURL

```
curl https://api.hanzo.ai/v1/chat/completions \ -H "Content-Type: application/json" \ -H "Authorization: Bearer $HANZO_API_KEY" \ -d '{ "model": "zen5-mini", "messages": [{"role": "user", "content": "Hello!"}] }'
```

Go

```
package main import ( "context" "fmt" "os" "github.com/sashabaranov/go-openai" ) func main() { cfg := openai.DefaultConfig(os.Getenv("HANZO_API_KEY")) cfg.BaseURL = "https://api.hanzo.ai/v1" client := openai.NewClientWithConfig(cfg) resp, _ := client.CreateChatCompletion(context.Background(), openai.ChatCompletionRequest{ Model: "zen5-mini", Messages: []openai.ChatCompletionMessage{ {Role: openai.ChatMessageRoleUser, Content: "Hello!"}, }, }, ) fmt.Println(resp.Choices[0].Message.Content) }
```

…

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[View all Hanzo models →](https://hanzo.ai/models/hanzo)

## Use Zen5 Mini via Hanzo AI

One API key. Every major model. OpenAI-compatible. Start free.

[Get an API key](https://platform.hanzo.ai/api-keys)[Browse All Models](https://hanzo.ai/models)