Seed 2.1 Turbo

id: bytedance-seed/seed-2.1-turbo

family: seed

context: 256,000

modalities: text, image, video → text

release: 2026-06-23

reasoning tools vision structured temp open weights

Offerings

Provider	Input	Output	Context	Max out
Ofox volcengine/doubao-seed-2.1-turbo	$0.35/M	$1.77/M	256,000	256,000
OpenRouter bytedance-seed/seed-2-1-turbo	$0.50/M	$2.50/M	262,144	262,144
Venice AI seed-2-1-turbo	$0.63/M	$3.13/M	256,000	65,536
EmpirioLabs AI seed-2-1-turbo	$0.63/M	$3.13/M	256,000	65,536

These provider models look related but are not exact matches.

Provider	Input	Output	Context	Max out
Kilo Gateway bytedance-seed/seed-2-1-turbo	$0.50/M	$2.50/M	262,144	262,144
NanoGPT bytedance-seed/seed-2-1-turbo	$0.50/M	$2.50/M	262,144	262,144
NanoGPT bytedance/doubao-seed-2.1-turbo	$0.50/M	$2.50/M	256,000	128,000