ERNIE-5.1-Preview is a reasoning model from Baidu, released on 2026-04-30. It accepts text input and returns text output. The cataloged parameter count is 800B. The recorded context window is 128K, and the recorded maximum output is 8K. Cataloged capabilities include Reasoning model and Multilingual. The model weights are proprietary and are not published for download. Use the linked references to confirm current access, licensing, and provider-specific limits.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
ERNIE-5.1-Preview is a reasoning model from Baidu, released on 2026-04-30.
It accepts text input and produces text output. Its cataloged capabilities include Reasoning model and Multilingual. The cataloged parameter count is 800B. The recorded context window is 128K, and the recorded maximum output is 8K.
The model weights are proprietary and are not published for download. The page links 2 release, model-card, repository, or provider references for checking the underlying claims. Specifications, availability, and prices can change; undisclosed values are intentionally left unstated.
ERNIE-5.1-Preview is a reasoning model from Baidu, released on 2026-04-30. It accepts text input and returns text output. The cataloged parameter count is 800B. The recorded context window is 128K, and the recorded maximum output is 8K. Cataloged capabilities include Reasoning model and Multilingual. The model weights are proprietary and are not published for download. Use the linked references to confirm current access, licensing, and provider-specific limits.
The current model record lists text as input and text as output.
The cataloged parameter count is 800B. The recorded context window is 128K, and the recorded maximum output is 8K. Fields without a source-backed value remain undisclosed.
Official material exposes the preview experience but no separate API price for the exact preview.
Official release reports leaderboard ranks rather than exact benchmark scores.
The model weights are proprietary and are not published for download. Review the linked license text before commercial or derivative use.
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