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Doubao 2.1 Pro 0915: Agent Upgrades Meet Hands-On Tests
ByteDance's Doubao 2.1 Pro 0915 rolls out with a 1M context window and stronger agent capabilities; early hands-on tests show it handling 3D website building and game replication.
2026-09-16 ~ 2026-09-18 · 2 episodes · 5 posts
Episode 1 · Doubao 2.1 Pro 0915 Update Boosts Agent and Coding Abilities (2026-09-16, 3 posts)
ByteDance released Doubao 2.1 Pro version 0915 on Volcano Ark, upgrading agent task delivery with 500+ sub-agents for financial verification and multimodal coding that can turn floor plans into 3D.
- ByteDance ships Doubao Seed 2.1 Pro 0915: 500 sub-agent report checks, 30% cheaper vision tokens — 火山引擎 · 2026-09-16
- Doubao 2.1 Pro update: 500 sub-agents to verify reports, video-to-code multimodal coding — dotey · 2026-09-16
- Hands-On: ByteDance's New Doubao 2.1 Pro Turns Floor Plans and Sketches into Working 3D Apps — 机器之心 · 2026-09-18
Episode 2 · Doubao Seed-2.1-pro Tested: 1M Context Handles 3D Sites and Games (2026-09-16, 2 posts)
Volcano Ark upgraded Doubao-Seed-2.1-pro with 1M context and 256k deep thinking for stable long agent tasks. Hands-on tests showed it handling 3D modeling from photos, 60-sheet Excel tasks, 3D site building, and one-prompt game recreation.