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bytedance-seed

ByteDance Seed: Seed-2.0-Mini

Source description (English)

Seed-2.0-mini targets latency-sensitive, high-concurrency, and cost-sensitive scenarios, emphasizing fast response and flexible inference deployment. It delivers performance comparable to ByteDance-Seed-1.6, supports 256k context, four reasoning effort modes (minimal/low/medium/high), multimodal understanding,...

Overview

Model specifications

Context
262,144 tokens
Maximum output
131,072 tokens
Architecture
text+image+video->text
Tokenizer
Other
Knowledge cutoff
Not provided
Moderated
No
OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input
$0.1
per 1M tokens
  • ≤128K$0.1
  • >128K$0.2
Output
$0.4
per 1M tokens
  • ≤128K$0.4
  • >128K$0.8
API

Model configuration

Reasoning

Reasoning required
No
Default parameters
medium
Capabilities
high, medium, low, minimal, none
API

Quick start

Set OPENROUTER_API_KEY locally. Python requires requests; JavaScript runs in Node.js. Keep the key on the server.

API documentation

curl --fail-with-body https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"bytedance-seed/seed-2.0-mini","messages":[{"role":"user","content":"Hello!"}]}'
Capabilities

Input → Output

Input
textimagevideo
Output
text
Reasoning

No · high · medium · low · minimal · none

API

Supported API parameters

frequency_penaltyinclude_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_p
Available providers

1 Provider

Checked: October 16, 2026

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Seed

fp8
Context
262K
Maximum output
131K
Input
$0.1
Output
$0.4
Cache read
Not provided
Cache write
Not provided
bytedance-seed

4 models

All models
bytedance-seed logobytedance-seed

ByteDance Seed: Seedream 5.0 Flash

Seedream 5.0 Flash is an image generation and editing model from ByteDance Seed. It is the fast, cost-efficient tier of the Seedream 5.0 family, suited for high-volume production and interactive...

Context
Not provided
Input
text · image
Output
image
Image input: Free per imageImage output: $0.018 per image
View model details →
bytedance-seed logobytedance-seed

ByteDance Seed: Seed Audio 1.0

Seed Audio 1.0 is ByteDance Seed's non-streaming audio generation model. It produces speech and other audio from a natural-language text prompt that can describe the desired voice, tone, and sound...

Context
Not provided
Input
text
Output
speech
Audio Output: $0.15 per minute
View model details →
bytedance-seed logobytedance-seed

ByteDance Seed: Seedream 5.0 Lite

Seedream 5.0 Lite is an image generation model from ByteDance Seed. It is suited for professional visual creation that benefits from web-connected retrieval, complex-prompt comprehension, visual references, and broad knowledge...

Context
Not provided
Input
text · image
Output
image
Image input: Free per imageImage output: $0.035 per image
View model details →
bytedance-seed logobytedance-seed

ByteDance Seed: Seedream 5.0 Pro

Seedream 5.0 Pro is an image generation and editing model from ByteDance Seed. It is suited for commercial visual-production workflows that require precise editing control, lifelike scenes, and natural rendering.

Context
Not provided
Input
text · image
Output
image
Image input: $0.003 per imageImage output: $0.045 per image
View model details →