Seed 1.6 Flash
ByteDance Seed Seed 1.6 Flash — pricing, 262k context window, API cost calculator and alternatives.
Specs
- Provider
- ByteDance Seed
- Slug
- bytedance-seed/seed-1-6-flash
- Capabilities
- vision, tools, json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Seed 1.6 Flash pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Seed 1.6 Flash from your app
curl https://openrouter.ai/api/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-d '{
"model": "bytedance-seed/seed-1-6-flash",
"messages": [{"role": "user", "content": "Hello!"}]
}'Official docs: https://openrouter.ai/docs
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key=os.environ["OPENROUTER_API_KEY"],
)
resp = client.chat.completions.create(
model="bytedance-seed/seed-1-6-flash",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Official docs: https://openrouter.ai/docs
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const resp = await client.chat.completions.create({
model: "bytedance-seed/seed-1-6-flash",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);Official docs: https://openrouter.ai/docs
Related models
Similar capabilities, context window, and price tier — drawn from across the catalog so you can compare alternatives in one click.
Frequently asked questions
What is Seed 1.6 Flash?
Seed 1.6 Flash is a large language model API from ByteDance Seed with a 262k-token context window. It costs $0.075 per 1M input tokens and $0.3 per 1M output tokens.
How much does Seed 1.6 Flash cost?
Seed 1.6 Flash is priced at $0.075 per 1M input tokens and $0.3 per 1M output tokens via the ByteDance Seed API. A 50/50 input/output workload of 1M total tokens costs about $0.1875.
What is the context window of Seed 1.6 Flash?
Seed 1.6 Flash supports up to 262k tokens of context per request — roughly 524 pages of English text or 32768 lines of code at a typical density.
Does Seed 1.6 Flash support vision, tool use, or JSON mode?
Seed 1.6 Flash supports vision, tool/function calling, and structured JSON mode.
Who makes Seed 1.6 Flash?
Seed 1.6 Flash is built and operated by ByteDance Seed. Pricing, context window, and capabilities on this page are refreshed nightly from ByteDance Seed's public catalog.
Can I self-host Seed 1.6 Flash?
Seed 1.6 Flash is API-only — its weights are not publicly distributed by ByteDance Seed, so it cannot be self-hosted today.