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ERNIE 4.5 / X1
Baidu's foundation models, open-weighted in 2025
Baidu open-weighted the ERNIE 4.5 family and shipped the ERNIE X1 reasoning model in 2025, reversing its closed-source stance under competitive pressure from DeepSeek and Qwen. ERNIE powers Baidu's Ernie Bot and enterprise cloud offerings.
Shift
Open-weighted 2025
How it fits the stack
ERNIE 4.5 / X1 with what it depends on (above) and what it feeds (below). The figure renders as a crawlable diagram and upgrades to an interactive 3D graph as it scrolls into view.
ERNIE 4.5 / X1Related
ERNIE 4.5 / X1 in the AI stack. ERNIE 4.5 / X1 with its immediate upstream dependencies (top) and downstream dependents (bottom) in the AI value chain. Hover a node in 3D, or read the full relationships below.
Graph data (text) — 2 entities, 1 relationships
- ERNIE 4.5 / X1 —designs→ Baidu ERNIE
Context — capital, rivals, policy · · 1