ERNIE 4.5
by Baidu
ERNIE 4.5 is a model from Baidu, released on June 25, 2025. It has a 128K-token context window and can generate up to 66K output tokens. API pricing is $0.4 per 1M input tokens and $4 per 1M output tokens. It ranks #220 of 220 models by Intelligence Score with a score of -13.4.
ERNIE 4.5 is an enhanced version of ERNIE 4.0 with improved reasoning capabilities, better instruction following, and stronger performance across multiple domains including mathematics, coding, and creative writing. Features advanced knowledge integration, multilingual support, and optimized thinking capabilities. This 21B parameter model uses A3B quantization for efficient inference.
Key specs
| Provider | Baidu |
|---|---|
| Release date | 2025-06-25 |
| License | proprietary |
| Context window | 128K tokens |
| Max output | 66K tokens |
| Input price | $0.4 / 1M tokens |
| Output price | $4 / 1M tokens |
| Intelligence Score | -13.4 |
Quick answers
What is the context window of ERNIE 4.5?
ERNIE 4.5 has a context window of 128K tokens, with a maximum output of 66K tokens per response.
How much does ERNIE 4.5 cost?
ERNIE 4.5 costs $0.4 per 1M input tokens and $4 per 1M output tokens through the API.
Is ERNIE 4.5 open source?
No. ERNIE 4.5 is a proprietary model from Baidu (proprietary license).
When was ERNIE 4.5 released?
Baidu released ERNIE 4.5 on June 25, 2025.
How does ERNIE 4.5 compare to Claude Opus 5.5 (Reasoning)?
ERNIE 4.5 scores -13.4 on the Intelligence Score versus 60.5 for Claude Opus 5.5 (Reasoning), the current #1. Input pricing is $0.4 vs $4 per 1M tokens.
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