How much does Seed 1.6 cost?

Billing is usage-based: $0.25 per million input tokens and $2 per million output tokens. There is no monthly minimum. You pay only for the tokens you actually use.

How do I access Seed 1.6 from inside Iran?

Create a Hormouz account, generate an API key and point your client at Hormouz. Access to Seed 1.6 is served from inside Iran, so you do not need a foreign credit card, a VPN or any sanction-circumvention tooling.

Is Seed 1.6 compatible with the OpenAI SDK?

Yes. Hormouz exposes an OpenAI-compatible chat-completions API. Change the base URL to Hormouz and drop in your Hormouz key, and existing OpenAI SDK code runs unchanged.

What context window does Seed 1.6 support?

Seed 1.6 supports a context window of up to 262K tokens, which is enough for long documents and extended conversations in a single request.

What inputs can Seed 1.6 handle?

Seed 1.6 is multimodal. It accepts text, image and video input and returns text. That makes it a good single model for assistants that mix documents, images and video understanding.

What is "adaptive deep thinking" in Seed 1.6?

It means the model can vary how much reasoning it applies based on the difficulty of the task, spending more effort on hard problems and responding quickly to simple ones.

ByteDance Seed: Seed 1.6: AI model

Seed 1.6 is ByteDance Seed's general-purpose multimodal model with adaptive deep thinking and a 256K context window. Reachable from inside Iran through Hormouz.

Context window:: 262,144 tokens
Input:: $0.25/1M tokens
Output:: $2/1M tokens
Type:: text, image, video

Vision
Tools
Streaming
Long context

Thinking levels:

Seed 1.6 is a general-purpose model from the ByteDance Seed team that combines multimodal understanding with adaptive "deep thinking". The model can spend more reasoning effort on harder problems and less on easy ones. It accepts text, image and video input and returns text.

It supports a 256K-token context window and outputs of up to about 32K tokens, along with tool calling and structured output, which makes it suitable for multimodal assistants, document and video understanding, and agentic workflows. It is a versatile default when you need one model to handle mixed text and vision inputs.

Through Hormouz, Seed 1.6 is served behind an OpenAI-compatible API and reachable from inside Iran without a foreign credit card. Billing is usage-based at $0.25 per million input tokens and $2.00 per million output tokens.

Seed 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.

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "bytedance-seed/seed-1.6",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

Vendor	ByteDance Seed
Type	Text, Image, Video
Context window	262,144 tokens
Pricing	$0.25/M in · $2.00/M out
API	Chat Completions
Capabilities	Streaming · Vision · Tools

Code example

cURL

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "bytedance-seed/seed-1.6",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Python

from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="bytedance-seed/seed-1.6",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "bytedance-seed/seed-1.6",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the ByteDance Seed: Seed 1.6 API, paid in rial

Buy credit with an Iranian bank card; no foreign card or account needed.
One Hormouz key reaches ByteDance Seed: Seed 1.6 and 600+ other models, and you pay only for what you use.
No VPN and no risk of a banned account; just change the base URL to api.hormouz.net/v1.

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FAQ

How much does Seed 1.6 cost?: Billing is usage-based: $0.25 per million input tokens and $2 per million output tokens. There is no monthly minimum. You pay only for the tokens you actually use.
How do I access Seed 1.6 from inside Iran?: Create a Hormouz account, generate an API key and point your client at Hormouz. Access to Seed 1.6 is served from inside Iran, so you do not need a foreign credit card, a VPN or any sanction-circumvention tooling.
Is Seed 1.6 compatible with the OpenAI SDK?: Yes. Hormouz exposes an OpenAI-compatible chat-completions API. Change the base URL to Hormouz and drop in your Hormouz key, and existing OpenAI SDK code runs unchanged.
What context window does Seed 1.6 support?: Seed 1.6 supports a context window of up to 262K tokens, which is enough for long documents and extended conversations in a single request.
What inputs can Seed 1.6 handle?: Seed 1.6 is multimodal. It accepts text, image and video input and returns text. That makes it a good single model for assistants that mix documents, images and video understanding.
What is "adaptive deep thinking" in Seed 1.6?: It means the model can vary how much reasoning it applies based on the difficulty of the task, spending more effort on hard problems and responding quickly to simple ones.

Updated 2026-10-13