Synapse Garden
ByteDance · MultimodalReleased 2025-09-01

seed-1.8

bytedance/seed-1.8 id

Bytedance Seed 1.8 features stronger multimodal understanding and agent capabilities. The model delivers superior performance across a wide range of complex real-world tasks, helping enterprises create greater value.

ReasoningChatTool use
Type
Use seed-1.8
# Drop-in OpenAI-compatible client
$ import { generateText } from 'ai'
$ 
$ const { text } = await generateText({
$   model: 'bytedance/seed-1.8',
$   baseURL: 'https://synapse.garden/api/v1',
$   apiKey: process.env.MG_KEY,
$   prompt: 'Why is the sky blue?',
$ })
256K
CONTEXT WINDOW
64K
MAX OUTPUT
$0.275/M
INPUT · PER M
$2.20/M
OUTPUT · PER M
PRICING

List prices, every modality.

RatePer million tokens · USD
Input$0.275/M
Output$2.20/M
Cache read$0.055/M
Honest list pricesHow we calculate prices
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FAQ · SEED-1.8

Frequently asked

01 / 04

How do I call seed-1.8 from my code?

Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘bytedance/seed-1.8’ and supply your Synapse Garden API key. No code changes beyond the base URL.

02 / 04

How much does seed-1.8 cost?

Input: $0.275/M per million tokens. Output: $2.20/M per million tokens. The free tier includes a million tokens every month at no cost.

03 / 04

What's the context window for seed-1.8?

seed-1.8 supports a context window of 256K tokens, with a maximum output of 64K tokens.

04 / 04

Do I need a separate Anthropic or OpenAI account?

No. Synapse Garden is the single API surface — one key gives you OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Cohere, and more. Billing, rate limits, and audit logs are unified.

READY

Try seed-1.8 in three minutes.

Sign up, create a key, drop our base URL into your existing client. The free tier includes a million tokens every month — no credit card.

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