Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Composer 2
73
Mistral Medium 3.5 128B
78
Pick Mistral Medium 3.5 128B if you want the stronger benchmark profile. Composer 2 only becomes the better choice if you want the cheaper token bill.
Coding
+19.6 difference
Composer 2
Mistral Medium 3.5 128B
$0.5 / $2.5
$1.5 / $7.5
N/A
N/A
N/A
N/A
200K
256K
Pick Mistral Medium 3.5 128B if you want the stronger benchmark profile. Composer 2 only becomes the better choice if you want the cheaper token bill.
Mistral Medium 3.5 128B is clearly ahead on the provisional aggregate, 78 to 73. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Mistral Medium 3.5 128B's sharpest advantage is in coding, where it averages 77.6 against 58.
Mistral Medium 3.5 128B is also the more expensive model on tokens at $1.50 input / $7.50 output per 1M tokens, versus $0.50 input / $2.50 output per 1M tokens for Composer 2. That is roughly 3.0x on output cost alone. Mistral Medium 3.5 128B gives you the larger context window at 256K, compared with 200K for Composer 2.
Mistral Medium 3.5 128B is ahead on BenchLM's provisional leaderboard, 78 to 73.
Mistral Medium 3.5 128B has the edge for coding in this comparison, averaging 77.6 versus 58. Composer 2 stays close enough that the answer can still flip depending on your workload.
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