Model comparison

Granite 4.2 8B vs Mixtral 8x7B

Granite 4.2 8B is the stronger model overall, scoring 40.5 to 27.1 on the Noometry Index.

Last verified October 10, 2026. 11 shared benchmarks.

Granite 4.2 8B IBM

40.5

Rank #148 Confirmed

Mixtral 8x7B

Mistral AI

27.1

Rank #334 Confirmed

Summary

They share 11 benchmarks with published results for both. Granite 4.2 8B scores higher in 7 categories and Mixtral 8x7B in 0 categories; 7 gaps are clear of the uncertainty.
The widest gap is in knowledge, where Granite 4.2 8B leads 38.4 to 11.0.
Granite 4.2 8B is cheaper at $0.06 / $0.25 per million input/output tokens, against $0.70 / $0.70 for Mixtral 8x7B.
Granite 4.2 8B accepts more context: 131K tokens versus 32K.

Side by side

Granite 4.2 8B and Mixtral 8x7B specifications
	Granite 4.2 8B	Mixtral 8x7B
Provider	IBM	Mistral AI
Noometry Index	40.5	27.1
Released	—	2023-12-11
Weights	Open	Open
Context window	131K	32K
Max output	118K	32K
Input $ / M tokens	$0.06	$0.70
Output $ / M tokens	$0.25	$0.70
Results tracked	11	38

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Category by category

Coding Granite 4.2 8B leads

Granite 4.2 8B: 40.5 (#137), Mixtral 8x7B: 32.8 (#269)

Coding benchmarks
Benchmark	Granite 4.2 8B	Mixtral 8x7B
LMArena Coding	1380	1126
HumanEval+	—	39.6%
MBPP+	—	49.7%

Reasoning Granite 4.2 8B leads

Granite 4.2 8B: 26.6 (#131), Mixtral 8x7B: 18.2 (#285)

Reasoning benchmarks
Benchmark	Granite 4.2 8B	Mixtral 8x7B
LMArena Hard Prompts	1329	1115
DTBench	—	49.6%
Adversarial NLI	—	55.2%
Epoch Capabilities Index	—	118.47
ForecastBench	—	56.3
HellaSwag	—	86.7%
PIQA	—	83.6%
WinoGrande	—	77.2%

Math Not comparable

Granite 4.2 8B: —, Mixtral 8x7B: 18.8 (#289)

Math benchmarks
Benchmark	Granite 4.2 8B	Mixtral 8x7B
Omni-MATH	—	10.5%
LMArena Math	—	1147
MATH Level 5	—	10%
GSM8K	—	74.4%

Knowledge Granite 4.2 8B leads

Granite 4.2 8B: 38.4 (#145), Mixtral 8x7B: 11.0 (#301)

Knowledge benchmarks
Benchmark	Granite 4.2 8B	Mixtral 8x7B
LMArena Expert	1384	1088
GPQA Diamond	—	30.6%
MMLU-Pro	—	33.5%
GPQA (HELM)	—	29.6%
ARC (AI2) Challenge	—	87.3%
MMLU	—	70.6%
OpenBookQA	—	85.8%
TriviaQA	—	82.2%

Multilingual Granite 4.2 8B leads

Granite 4.2 8B: 44.5 (#178), Mixtral 8x7B: 29.6 (#266)

Multilingual benchmarks
Benchmark	Granite 4.2 8B	Mixtral 8x7B
LMArena Non-English	1302	1077
LMArena Chinese	1366	1055
LMArena Russian	1285	1090
LMArena French	—	1166
LMArena German	—	1114
LMArena Japanese	—	931
LMArena Korean	—	968
LMArena Spanish	—	1111

Instruction Following Granite 4.2 8B leads

Granite 4.2 8B: 68.7 (#184), Mixtral 8x7B: 51.0 (#297)

Instruction Following benchmarks
Benchmark	Granite 4.2 8B	Mixtral 8x7B
LMArena Instruction Following	1301	1109
IFEval	—	57.5%

Long Context Granite 4.2 8B leads

Granite 4.2 8B: 40.3 (#159), Mixtral 8x7B: 33.4 (#260)

Long Context benchmarks
Benchmark	Granite 4.2 8B	Mixtral 8x7B
LMArena Longer Query	1324	1103

Writing & Preference Granite 4.2 8B leads

Granite 4.2 8B: 49.6 (#189), Mixtral 8x7B: 34.2 (#270)

Writing & Preference benchmarks
Benchmark	Granite 4.2 8B	Mixtral 8x7B
LMArena Text	1320	1132
LMArena Creative Writing	1236	1109
LMArena Multi-Turn	1301	1115
WildBench	—	67.3%

Frequently asked questions

Is Granite 4.2 8B better than Mixtral 8x7B?

Granite 4.2 8B is the stronger model overall, scoring 40.5 to 27.1 on the Noometry Index.

Which is cheaper, Granite 4.2 8B or Mixtral 8x7B?

Granite 4.2 8B is cheaper. It lists at $0.06 per million input tokens and $0.25 per million output tokens; Mixtral 8x7B lists at $0.70 and $0.70.

Is Granite 4.2 8B or Mixtral 8x7B better for coding?

Granite 4.2 8B scores higher on coding benchmarks: 40.5 versus 32.8 in the Noometry coding category.

Which has the bigger context window?

Granite 4.2 8B does, with 131K tokens against 32K.

How many benchmarks do Granite 4.2 8B and Mixtral 8x7B share?

11 benchmarks have published results for both models. Granite 4.2 8B has 11 scored results on Noometry and Mixtral 8x7B has 38.