doubao-seed-2.1-lite vs doubao-seed-2.1-pro

	doubao-seed-2.1-lite	doubao-seed-2.1-pro
Providers	ByteDance Doubao	ByteDance Doubao
Input $/M	$0.12	$0.92
Output $/M	$0.42	$4.62
Output multiplier	×3.38	×5.00
Context window	1M tokens	1M tokens
Intelligence index	—	—
Coding index	—	—

What the numbers mean

doubao-seed-2.1-lite is roughly 7.5× cheaper on input than doubao-seed-2.1-pro. If your workload passes the quality bar on the cheaper model, that gap compounds across every request; route to doubao-seed-2.1-pro deliberately rather than by default.

Tags: doubao-seed-2.1-lite — Chat, Reasoning, Coding, Vision · doubao-seed-2.1-pro — Chat, Reasoning, Coding, Vision

Code

from openai import OpenAI
client = OpenAI(base_url="https://starseaapi.com/v1", api_key="sk-...")

# doubao-seed-2.1-lite
client.chat.completions.create(model="doubao-seed-2.1-lite", messages=[{"role":"user","content":"Hi"}])

# doubao-seed-2.1-pro
client.chat.completions.create(model="doubao-seed-2.1-pro", messages=[{"role": "user", "content": "Hi"}])