粉笔推出AI刷题系统班，单日销量达1.4万单，用户学习效率平均提升29%。系统基于7000万用户数据，提供个性化刷题路径，动态调整难度。AI覆盖题库、直播、面试全流程，智能诊断薄弱点，AI面试点评支持手写识别。
Openai
$2.8
Input tokens/M
$11.2
Output tokens/M
1k
Context Length
Anthropic
$21
$105
200
Alibaba
-
Bytedance
Baidu
Tencent
$2
$1.75
$14
400
$525
Chatglm
128
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