ByteDance

14 cards, from Feb 2024 to Jun 2026. 2 with open weights.

Latest

ByteDance

CTX256K

Reasoning · Vision · Tools

Input$0.89/M

Output$4.45/M

Rolling ByteDance Seed model for rapidly updated reasoning, coding, and agent capabilities

PaidProprietary931/1040

ByteDance

CTX256K

Reasoning · Vision · Tools

Input$0.12/M

Output$0.30/M

ByteDance Seed model optimized for character-driven dialogue and consistent conversational behavior

PaidProprietary930/1040

ByteDance

CTX256K

Reasoning · Vision · Tools

Input$0.45/M

Output$2.23/M

Faster ByteDance Seed 2.1 model for multimodal reasoning and latency-sensitive agent workflows

PaidProprietary929/1040

ByteDance

CTX256K

65Quality

Reasoning · Vision · Tools

Input$0.89/M

Output$4.45/M

Flagship ByteDance Seed 2.1 model for complex multimodal reasoning, coding, and agents

PaidProprietary928/1040

Dates are release dates from models.dev; for open models found on Hugging Face, the day the repo was published.