Brightness Bins

Here is the output data (in emitter lumens) for various bins available (and sometimes not available; * represents the highest available bin) for various LED models:

Cree

Cree XM-L

Bin	700mA	1500mA	3000mA
T5	260-280	504-543	845-910
T6*	280-300	543-582	910-975
U2	300-320	582-621	975-1040
U3	320-340	621-660	1040-1105

Cree XR-E, XP-E (max bin for XP-E is R3, XR-E is R2)

Bin	350mA	1000mA
P4	80.6-87.4	177-192
Q2	87.4-93.9	192-207
Q3	93.9-100	207-220
Q4	100-107	220-233
Q5	107-114	233-251
R2*	114-122	251-268
R3	122-130	268-286
R4	130-139	286-306

Cree XP-G

Bin	350mA	1000mA	1500mA
R2	114-122	285-305	380-406
R3	122-130	305-325	406-433
R4	130-139	325-348	433-463
R5	139-148	348-370	463-493
S2	148-156	370-390	493-520
S3*	156-164	390-410	520-547

Cree MC-E

Bin	1400mA	2800mA
H	280-320	490-560
J	320-370	560-648
K	370-430	648-753
M*	430-490	753-858
N	490-560	858-980

Lumileds

Lumileds Luxeon Rebel

       
      350mA     1000mA     
40      40+        84+     
50      50+       105+     
60      60+       126+     
70      70+       147+     
80      80+       168+     
90      90+       189+     
100*   100+       210+     
110    110+       231+     

Luminus

Luminus SST-50

     
       1750mA       2800mA        5000mA
F     275-350      413-525       635-823
G     350-425      525-638       823-999
H     425-500      638-750      999-1175
J*    500-600      750-900     1175-1410
K     600-700     900-1050     1410-1645

Luminus SST-90

       
         3200mA        5000mA        9000mA
K       600-700      882-1029     1410-1645
L       700-850     1029-1250     1645-1998
M      850-1000     1250-1470     1998-2350
N*    1000-1200     1470-1764     2350-2820
P     1200-1450     1764-2132     2820-3408

Seoul

Seoul Semiconductor P4

          
        350mA        1000mA     
S1      54-60       127-141     
S2      60-70       141-165     
T1      70-80       165-188     
T2      80-91       188-214     
U1     91-100       214-235     
U2*   100-109       235-256     
U3    109-119       256-280     

Seoul Semiconductor P7

      
       1400mA      2800mA     
A     251-326     440-570     
B     326-400     570-700     
C     400-457     700-800     
D*    457-514     800-900     
E     514-629    900-1100     

Sources

isotco's list at DX Cree XLamp XP Family Binning and Labeling Cree XLamp XM-L LED Binning and Labeling