# ByteDance Seed: Seed 1.6 Flash — Use via Hanzo AI API > Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features... Access via Hanzo's OpenAI-compatible API. Context: 262K. Get started free. [Models](https://hanzo.ai/models)/[ByteDance Seed](https://hanzo.ai/models/bytedance-seed)/seed-1.6-flash # ByteDance Seed: Seed 1.6 Flash [ByteDance Seed](https://hanzo.ai/models/bytedance-seed) Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate outputs of... text [Get API Key](https://hanzo.ai/signup)[View Docs](https://docs.hanzo.ai)[Try in Chat](https://hanzo.ai/chat) ## Specifications Context Window 262K Modalities text Input $0.090 / M tokens Output $0.360 / M tokens Status available Category third-party Model ID bytedance-seed/seed-1.6-flash ## Quick Start 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: 'bytedance-seed/seed-1.6-flash', 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="bytedance-seed/seed-1.6-flash", 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": "bytedance-seed/seed-1.6-flash", "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: "bytedance-seed/seed-1.6-flash", Messages: []openai.ChatCompletionMessage{ {Role: openai.ChatMessageRoleUser, Content: "Hello!"}, }, }, ) fmt.Println(resp.Choices[0].Message.Content) } ``` ## More from ByteDance Seed [ByteDance Seed: Seed 1.6262KSeed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.](https://hanzo.ai/models/bytedance-seed/seed-1.6)[ByteDance Seed: Seed 2.1 Turbo262KSeed 2.1 Turbo is a multimodal model from ByteDance Seed for coding and long-horizon agent workflows. It is suited for end-to-end software delivery, multi-step task execution, and understanding visual and...](https://hanzo.ai/models/bytedance-seed/seed-2-1-turbo)[ByteDance Seed: Seed-2.0-Code262KSeed 2.0 Code is a model from ByteDance Seed optimized for agentic coding. It is suited for frontend development, multilingual programming tasks, and coding-agent workflows in tools such as Claude...](https://hanzo.ai/models/bytedance-seed/seed-2.0-code)[ByteDance Seed: Seed-2.0-Lite262KSeed-2.0-Lite is a versatile, cost‑efficient enterprise workhorse that delivers strong multimodal and agent capabilities while offering noticeably lower latency, making it a practical default choice for most production workloads across...](https://hanzo.ai/models/bytedance-seed/seed-2.0-lite)[ByteDance Seed: Seed-2.0-Mini262KSeed-2.0-mini targets latency-sensitive, high-concurrency, and cost-sensitive scenarios, emphasizing fast response and flexible inference deployment. It delivers performance comparable to ByteDance-Seed-1.6, supports 256k context, four reasoning effort modes (minimal/low/medium/high), multimodal understanding,...](https://hanzo.ai/models/bytedance-seed/seed-2.0-mini) [View all ByteDance Seed models →](https://hanzo.ai/models/bytedance-seed) ## Use ByteDance Seed: Seed 1.6 Flash via Hanzo AI One API key. Every major model. OpenAI-compatible. Start free. [Get Free API Key](https://hanzo.ai/signup)[Browse All Models](https://hanzo.ai/models)