ERNIE 4.5 21B Thinking
AffordableCompact ERNIE 4.5 model with always-on thinking mode. Efficient 21B MoE (3B active) with extended reasoning for complex Chinese and English tasks.
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This model hasn't been evaluated by Artificial Analysis yet. Benchmark scores will appear once they're published.
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Nemotron 3 Ultravs ERNIE 4.5 21B ThinkingFrequently Asked Questions about ERNIE 4.5 21B Thinking▼
Who created ERNIE 4.5 21B Thinking?
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ERNIE 4.5 21B Thinking was created by Baidu.
Is ERNIE 4.5 21B Thinking a reasoning model?
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Yes, ERNIE 4.5 21B Thinking is a reasoning model. It can think step-by-step through complex problems before providing an answer, often yielding better results on difficult tasks like math, coding, and multi-step logic.
Does ERNIE 4.5 21B Thinking support image or vision input?
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No, ERNIE 4.5 21B Thinking does not currently support image or vision input. It is a text-only model.
Does ERNIE 4.5 21B Thinking support audio?
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No, ERNIE 4.5 21B Thinking does not support audio input.
What is the context window of ERNIE 4.5 21B Thinking?
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ERNIE 4.5 21B Thinking has a context window of 131K tokens, meaning it can process approximately 98,304 words of context at once.
Is ERNIE 4.5 21B Thinking open source?
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ERNIE 4.5 21B Thinking is a proprietary model developed by Baidu. The model weights and training data are not publicly available.
Where can I use ERNIE 4.5 21B Thinking?
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You can chat with ERNIE 4.5 21B Thinking on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access ERNIE 4.5 21B Thinking through Baidu's own API or platform.