ByteDance Seed 2.1 Turbo API
About
Build advanced reasoning agents with ByteDance 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 2.1 Turbo via the NanoGPT API with up to 236K output tokens.
Capabilities
Input Modalities
textimagevideo
Output Modalities
text
Limits
Context Window
262K
Tokens
Input Limit
262K
Tokens
Max Output
236K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.50
Output
$2.50
Caching (per 1M tokens)
Read
$0.25
Frequently Asked Questions
ByteDance Seed 2.1 Turbo by NanoGPT costs $0.50 per 1M input tokens and $2.50 per 1M output tokens. Cached reads cost $0.25 per 1M tokens.
Model Details
ID
bytedance-seed/seed-2-1-turbo
Provider
NanoGPTFamily
seed
Release Date
Aug 12, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
NANO_GPT_API_KEY
API Base URL
https://nano-gpt.com/api/v1