Release dates
— ERNIE 5.5 Flash Base released model weights. ↗
ERNIE 5.5 Flash Base
Baidu ERNIE’s open base checkpoint with 280B total / 14B active parameters, up to 128K training context, and 1M for fine-tuning and inference.
Official weight IDs: `baidu/ERNIE-5.5-Flash-Base` (FP8) and `baidu/ERNIE-5.5-Flash-Base-BF16`. They use the ERNIE 5.5 Flash Base Model License Agreement v1.0 with territorial and commercial-use conditions; no hosted API model ID is published.
MODEL NUMBER362
- First public date
- 2026-11-05
- Organization
- Baidu
- Family
- ERNIE / 文心
01
Specifications
Only published specifications are shown.
02
Overview
Why it mattered
This is the confirmed pretrained-base release in the ERNIE 5.5 Flash line. It is an inspectable checkpoint for further training and is distinct from the promised post-trained Flash model; no weight inheritance from ERNIE 5.1 is inferred.
03
Architecture & capabilities
Model capabilities
CodingLong context
API features
Fine-tuning
04
Release history
ERNIE 5.5 Flash Base released model weights.
View source05
Related models
Select a card to view the related model.
No related models recorded yet
06
Sources
01
ERNIE Research: Introducing ERNIE 5.5 Flash BaseBaidu ERNIE · Published 2026-11-05 · Checked 2026-11-05
Official · Verified02Introducing ERNIE 5.5 Flash BaseBaidu ERNIE · Published 2026-11-05 · Checked 2026-11-05
Official · Verified03Baidu ERNIE-5.5-Flash-Base model card and checkpointsBaidu (official Hugging Face organization) · Published 2026-11-05 · Checked 2026-11-05
Official · Verified04ERNIE 5.5 Flash Base Model License Agreement v1.0Baidu (official Hugging Face organization) · Published 2026-11-05 · Checked 2026-11-05
Official · VerifiedSuggest a correction
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