ERNIE 5.5 Models by Baidu AI

Baidu AIERNIE 5.5 Flash Base Model LicenseOpen weights
Baidu AI releases · 10 in the last 12 months · this family litChangelog →
1 model2026Up to 1M ctx

Last refreshed 2026-11-05. Next refresh: weekly.

Details

ResearcherBaidu AI
Commercial useRestricted
Models1
Released2026
Max context1M

About

Baidu's ERNIE 5.5 generation; first open release ERNIE 5.5 Flash Base (280B total, 14B active MoE base model, November 5, 2026).

Decision facts

Best fit
General model comparison
Capability starting point
ERNIE 5.5 Flash Base with 1M context
Lowest tracked input
Not tracked
Closest related family
ERNIE 4.5

Current Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

1 in view

Use when the workload needs 1M context.

2026-111M context

Release Timeline

1 release group
2026-11
1 current
Current

Specifications(1 models)

ERNIE 5.5 model specifications comparison
ModelReleasedContextParameters
ERNIE 5.5 Flash Base2026-111M280B (14B active)