o1-preview vs DBRX Instruct

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

o1-preview is clearly ahead on the aggregate, 83 to 32. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

o1-preview's sharpest advantage is in knowledge, where it averages 78 against 73.7. The single biggest benchmark swing on the page is MMLU, 92 to 73.7.

o1-preview is the reasoning model in the pair, while DBRX Instruct is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. o1-preview gives you the larger context window at 200K, compared with 32K for DBRX Instruct.

Quick Verdict

Pick o1-preview if you want the stronger benchmark profile. DBRX Instruct only becomes the better choice if you would rather avoid the extra latency and token burn of a reasoning model.

Knowledge

o1-preview

o1-preview

78

DBRX Instruct

73.7

92
MMLU
73.7
90
GPQA
-
88
SuperGPQA
-
86
OpenBookQA
-
80
MMLU-Pro
-
32
HLE
-

Coding

o1-preview

o1-preview

70.3

DBRX Instruct

70.1

86
HumanEval
70.1
65
SWE-bench Verified
-
60
LiveCodeBench
-

Mathematics

o1-preview
94
AIME 2023
-
96
AIME 2024
-
95
AIME 2025
-
90
HMMT Feb 2023
-
92
HMMT Feb 2024
-
91
HMMT Feb 2025
-
93
BRUMO 2025
-
94
MATH-500
-

Reasoning

o1-preview
88
SimpleQA
-
86
MuSR
-
93
BBH
-

Instruction Following

o1-preview
88
IFEval
-

Multilingual

o1-preview
90
MGSM
-

Frequently Asked Questions

Which is better, o1-preview or DBRX Instruct?

o1-preview is ahead overall, 83 to 32. The biggest single separator in this matchup is MMLU, where the scores are 92 and 73.7.

Which is better for knowledge tasks, o1-preview or DBRX Instruct?

o1-preview has the edge for knowledge tasks in this comparison, averaging 78 versus 73.7. Inside this category, MMLU is the benchmark that creates the most daylight between them.

Which is better for coding, o1-preview or DBRX Instruct?

o1-preview has the edge for coding in this comparison, averaging 70.3 versus 70.1. Inside this category, HumanEval is the benchmark that creates the most daylight between them.

Last updated: March 9, 2026

Weekly LLM Benchmark Digest

Get notified when new models drop, benchmark scores change, or the leaderboard shifts. One email per week.

Free. No spam. Unsubscribe anytime. We only store derived location metadata for consent routing.