Model
Model explorer

Doubao (1st-gen)

CLOSED
ByteDance · Doubao family · released May 15, 2024

ByteDance's debut foundation-model family (pro-4k/32k/128k tiers) launched at Volcano Engine's FORCE conference ~99% below industry pricing; retired in favor of Doubao 1.5/Seed lines.

ReasoningCodingVisionFunction callingTool useAgentic
1955.4
Elo · unrated
Parameters
Undisclosed
Active params
Undisclosed
Context
128K tokens
Architecture
Transformer (MoE architecture inferred from ByteDance's later Doubao disclosures; exact 1st-gen configuration undisclosed)
License
Proprietary
Languages
—
API price (in/out)
No hosted API
Modalities
text
Benchmark results
Bar shows position within the tracked field; marker = field best
SuperCLUEKnowledge66.3%#4
best: Baichuan 4 · 80.6%
Run it locally
Closed weights — available via API only. No local deployment.
Input / M tok
—
Output / M tok
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Doubao family
Elo progression across releases
Doubao (1st-gen)May 20241955.4Doubao-1.5-ProJan 20251473.6Doubao-Seed-1.6Jun 20251705.5
Resources
DOCSvolcengine.com
API price — · each benchmark row carries its own source badge (see methodology)