Seed 2.1 Pro

id: bytedance-seed/seed-2.1-pro

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-pro	$0.71/M	$3.54/M	256,000	256,000

These provider models look related but are not exact matches.

Provider	Input	Output	Context	Max out
NanoGPT bytedance/doubao-seed-2.1-pro	$1.00/M	$5.00/M	256,000	128,000