Seed 2 Code is ByteDance's language model with a 262K context window and up to 131K output tokens, starting at $0.5 / 1M input and $3.00 / 1M output. A coding-focused LLM optimized for real-world development environments with strong front-end performance, reliable tool use in common IDEs, and Skills support.
Specifications
Canonical IDbytedance-seed-2-code
TypeLanguage
StatusActive
CreatorByteDanceByteDance
Providers
Context Window262K tokens
Max Output131K tokens
Input ModalitiesImageTextVideo
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 2 days ago

Capabilities

Input3/5
Text
Image
Audio·
Video
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
OpenRouter logo
OpenRouter
bytedance-seed/seed-2.0-code
$0.5$3.00

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Seed 2 Code262K$0.500$3.00Current
Seed 2.1 Turbo262K$0.500$2.50Available
Seed 2 Lite262K$0.250$2.00Available
Seed 2 Mini262K$0.100$0.400Available
Seed 2 ProAvailable
Seed-TTS 2.0Available
Seed 1.6262K$0.250$2.00Available
Seed 1.6 Flash262K$0.075$0.300Available
Seed 1.8256K$0.250$2.00Available

Model IDs

bytedance-seed-2-code
bytedance-seed/seed-2.0-code
ByteDance/Seed-2.0-code