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Kilo Gateway

ByteDance Seed: Seed 2.1 Turbo API

Kilo Gateway
About

Build advanced reasoning agents with ByteDance Seed: Seed 2.1 Turbo, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.50/1M input and $2.50/1M output tokens, native tool calling support. Access ByteDance Seed: Seed 2.1 Turbo via the Kilo Gateway API with up to 262K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
262K

Tokens

Input Limit
262K

Tokens

Max Output
262K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.50
Output
$2.50
Frequently Asked Questions

ByteDance Seed: Seed 2.1 Turbo by Kilo Gateway costs $0.50 per 1M input tokens and $2.50 per 1M output tokens.

Model Details
ID
bytedance-seed/seed-2-1-turbo
Provider
Kilo Gateway
Family
seed
Release Date
Aug 12, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
KILO_API_KEY
API Base URL
https://api.kilo.ai/api/gateway
Documentation