ERNIE 5.5 Flash Preview on OpenRouter

ERNIE 5.5 · Baidu AI

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

Why use ERNIE 5.5 Flash Preview on OpenRouter?

OpenRouter offers ERNIE 5.5 Flash Preview with free input token pricing. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.

Input / 1M
Free
Output / 1M
Free
Cache
Not sourced
Batch
Not sourced

Setup recipe

Docs fallback
Install
Use the provider REST API or SDK
Auth
Create a provider API key
Call
model: baidu/ernie-5.5-flash-preview:free
Model ID
baidu/ernie-5.5-flash-preview:free

Request example

Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID baidu/ernie-5.5-flash-preview:free.

Gotchas

  • Use provider model ID "baidu/ernie-5.5-flash-preview:free", not the LLMReference slug "ernie-5.5-flash-preview".

Pricing

TypePrice (per 1M)
Input tokensFree
Output tokensFree

Capabilities

ReasoningJSON / Tool use

About ERNIE 5.5 Flash Preview

ERNIE 5.5 Flash Preview is Baidu's first post-trained model built on ERNIE 5.5 Flash Base, released November 11, 2026. It has 280B total parameters with 14B active and a 1M-token context, and Baidu positions it for coding, 3D modeling, knowledge work and content creation with generation above 200 tokens per second. The API is available on Baidu Qianfan and as a free OpenRouter model; Baidu says the weights will be open-sourced under Apache 2.0 by November 25.

Get Started

Model Specs

Released2026-11-11
Parameters280B (14B active)
Context1.02M
ArchitectureMixture of Experts