Seed-1.8

apache-2.0

Optimized specifically for multimodal agent scenarios. It features enhanced agent capabilities, upgraded multimodal comprehension, and more flexible context management.

Context
256K
Input price
$0.25/1M tokens
Output price
$2/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Fine-tuning

Details

Model IDByteDance/Seed-1.8
Provider DeepInfra
Familybytedance
Licenseapache-2.0
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window256K tokens
Max input—
Max output—
Reasoning tokensYes
Knowledge cutoff—
Release date—
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Chat CompletionsPOST
Generate chat responses with messageshttps://api.deepinfra.com/v1/openai/v1/chat/completions

Pricing

Input
$0.25
Output
$2
Cache write
—
Cache read
$0.05
Batch in
—
Batch out
—

Family Comparison: bytedance

ModelMax durationMax resolutionResolutionsFPSPricing
Seedance-1.5-Pro12s1920x1080864x496, 1280x720, 1920x108024 fps—
Seedream-4.5—————
Seedream-4—————
Seed-1.8————$0.25$2

API

GET/v1/models/deepinfra/ByteDance/Seed-1.8

Seed-1.8

ByteDance/Seed-1.8

Optimized specifically for multimodal agent scenarios. It features enhanced agent capabilities, upgraded multimodal comprehension, and more flexible context management.

Changes · 1 entries
ByteDance/Seed-1.8create3e56cf1Apr 26, 2026, 07:23 PM