Seed 1.6 Flash API

bytedance-seed/seed-1.6-flash
Seed 1.6 Flash on AIMLAPI.
Context
262K tokens
Input
$0.103155 / 1M tokens
Output
$0.41262 / 1M tokens

How to use Seed 1.6 Flash API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to bytedance-seed/seed-1.6-flash.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "bytedance-seed/seed-1.6-flash",
      "messages": [
        {
          "role": "user",
          "content": "Hello!"
        }
      ]
    },
)
print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.AIMLAPI_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "bytedance-seed/seed-1.6-flash",
    "messages": [
      {
        "role": "user",
        "content": "Hello!"
      }
    ]
  }),
});
console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \
  -H "Authorization: Bearer $AIMLAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"bytedance-seed/seed-1.6-flash","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Seed 1.6 Flash API Pricing

TypePrice
Input
$0.103155 / 1M tokens
Output
$0.41262 / 1M tokens

Seed 1.6 Flash vs other models

ModelInputOutputContextBest for
$0.103155 / 1M tokens
$0.41262 / 1M tokens
262K tokens
Reasoning + agents
$6.5 / 1M tokens
$39 / 1M tokens
1.05M tokens
Reasoning + agents
$2.6 / 1M tokens
$13 / 1M tokens
1M tokens
Balanced coding + agents
$3.9 / 1M tokens
$19.5 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$0.65 / 1M tokens
$3.9 / 1M tokens
1.05M tokens
Reasoning + agents

Frequently asked questions

Seed 1.6 Flash has a 262,144 tokens context window and can return up to 32,768 tokens.

Seed 1.6 Flash takes image, text as input and returns text.

Use bytedance-seed/seed-1.6-flash as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Seed 1.6 Flash is priced at input $0.103155 / 1M tokens, output $0.41262 / 1M tokens.

Yes, Seed 1.6 Flash can stream responses as they are generated.

Yes, Seed 1.6 Flash accepts image input alongside text.

Seed 1.6 Flash was built by ByteDance.

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