Baidu: ERNIE 5.5 Flash Preview
ERNIE 5.5 Flash Preview is the latest foundation model in the ERNIE family, with comprehensive improvements in coding, agentic capabilities, knowledge work, and deep research. It has 280 billion total parameters, activates 14 billion parameters per token, and supports a context window of 1 million tokens. Its new architecture combines strong model capabilities with efficient inference, delivering generation speeds of more than 200 tokens per second.
All providers for this model are busy right now
Every upstream provider has hit its rate limit. The model comes back automatically once limits lift, usually within hours. Try again in a little while or switch to another model.
Request this model on DiscordInputs used for the providers' own purposes
At least one provider of this model uses your inputs for its own purposes, for example to train AI models. Do not enter personal data of third parties or sensitive data. You can object to this use at any time in your account settings or via "Manage consents" in the chat.
Read the privacy policyPricing
Uptime
Performance
Usage & Ranking
Supported parameters
All providers = every upstream serving this model supports it. Some providers = depends on which upstream handles the request. Default = the value sent when you leave the parameter unset.
| Parameter | Providers | Default |
|---|---|---|
| include_reasoning | Some providers | - |
| max_tokens | Some providers | - |
| reasoning | Some providers | - |
| reasoning_effort | Some providers | - |
| response_format | Some providers | - |
| structured_outputs | Some providers | - |
| temperature | Some providers | - |
| tool_choice | Some providers | - |
| tools | Some providers | - |
| top_p | Some providers | - |
Frequently asked questions
Use ernie-5.5-flash-preview in
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Base URL
https://api.unorouter.com/v1Call ernie-5.5-flash-preview:free from your code
Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "ernie-5.5-flash-preview:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'