Table Showing the Order of Chapters and Verses
in Jeremiah, as They Appear in the Hebrew (MT)
and Septuagint (LXX) Respectively From Chapter 25 to End
I postpone detailed explanation of the differences.
Sources:

The Revised Standard Version of the Holy Bible, The New Oxford Annotated Bible, 1952, Oxford University Press, New York.

The Septuagint with Apocrypha: Greek and English, Lancelot C, L. Brenton, Samuel Bagster & Sons, Ltd., London, 1851. Reprint by Hendrickson Publishers, 1986 - 2001.

Septuaginta Graece, Alfred Ralphs, edit. Deutsche Bibel Gesellschaft, Stuttgart, 1935, is a German Translation. It differs slightly from Brenton's as noted.)

 
           
Hebrew, Vulgate, 
English (MT)
 Ralphs' LXX Brenton's LXX
      
25:1-12
 25:1-12   
25:13
 25:13-14   
25:14
 n/a   
25:15-38
 32:15-38   
26:1-24
 33:1-24   
 
     
27:1,7,13,17,21
 n/a   
27:2-6,8-12,14-16,18-20,22
 34:2-6,8-12,14-16,18-20,22   
28:1-17
 35:1-17   
29:1-15,21-32
 36:1-15,21-32   
29:16-20
 n/a   
 
     
30:1-9,12-14,16-21,23-24
 37:1-9,12-1416-21,23-24   
30:10,15,22
 n/a   
31:1-40
 38:1-34,36,37,35,38-40 38:1-40 
32:1-44
 39:1-44   
33:1-13
 40:1-13   
 
     
33:14-26
 n/a   
34:1-22
 41:1-22   
35:1-19
 42:1-19   
36:1-32
 43:1-32   
37:1-21
 44:1-21   

      		
       
       
    

    

      
      
38:1-28

      		
      45:1-28
       
    

    

      
      
39:1-3,14-18

      		
      46:1-3,14-18
      46:1-4,15-18
    

    

      
      
39:4-13

      		
      n/a
       
    

    

      
      
40:1-16

      		
      47:1-16
       
    

    

      
      
41:1-18

      		
      48:1-18
       
    

    

      
      
 

      		
       
       
    

    

      
      
42:1-22

      		
      49:1-22
       
    

    

      
      
43:1-13

      		
      50:1-13
       
    

    

      
      
44:1-30

      		
      51:1-30
       
    

    

      
      
45:1-5

      		
      51:31-35
       
    

    

      
      
46:1,26

      		
      n/a
       
    

    

      
      
 

      		
       
       
    

    

      
      
46:2-25,27-28

      		
      26:2-25,27-28
       
    

    

      
      
47:1-7

      		
      29:1-7
       
    

    

      
      
48:1-45

      		
      31:1-45
       
    

    

      
      
48:45-47

      		
      n/a
       
    

    

      
      
49:1-5,23-27,28-33

      		
      30:1-5,29-33,23-28
      30:1-5,23-27,28-33
    

    

      
      
 

      		
       
       
    

    

      
      
49:7-22

      		
      n/a
      29:7b-22
    

    

      
      
49:34

      		
      25:20
      26:1
    

    

      
      
49:35-39

      		
      25:15-19
      25:35-39
    

    

      
      
50:1-46

      		
      27:1-46
       
    

    

      
      
51:1-64

      		
      28:1-64
       
    

    

      
      
52:1,4-14,16-27,31-34

      		
      52:1,4-14,16-27,31-34
       
    

    

      
      
52:2-3,15,28-30

      		
      n/a