Model comparison

Grok 4.6 vs Mistral Small 3.2

Grok 4.6 is the stronger model overall, scoring 56.9 to 31.2 on the Noometry Index. Mistral Small 3.2 costs 23× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Last verified October 10, 2026. 4 shared benchmarks.

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Mistral Small 3.2

Mistral AI

31.2

Rank #280 Confirmed

Summary

They share 4 benchmarks with published results for both. Grok 4.6 scores higher in 4 categories and Mistral Small 3.2 in 0 categories; 4 gaps are clear of the uncertainty.
The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 18.1.
The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 99.2% for Grok 4.6 and 30.3% for Mistral Small 3.2.
Mistral Small 3.2 is cheaper at $0.0938 / $0.25 per million input/output tokens, against $2 / $6 for Grok 4.6.
Grok 4.6 accepts more context: 500K tokens versus 256K.
Mistral Small 3.2 has downloadable open weights; the other is API-only.

Side by side

Grok 4.6 and Mistral Small 3.2 specifications
	Grok 4.6	Mistral Small 3.2
Provider	xAI	Mistral AI
Noometry Index	56.9	31.2
Released	2026-08-12	2025-06-20
Weights	Proprietary	Open
Context window	500K	256K
Max output	500K	16K
Input $ / M tokens	$2	$0.0938
Output $ / M tokens	$6	$0.25
Results tracked	49	6

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Category by category

Coding Not comparable

Grok 4.6: 58.5 (#16), Mistral Small 3.2: —

Coding benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
DeepSWE	67.5%	—
FrontierCode	48%	—
CursorBench	41.4%	—
LMArena WebDev	1617	—
FrontierSWE	25.3%	—
SciCode	56.5%	—
WeirdML	67.3%	—
LMArena Coding	1465	—
ALE-Bench	1,508	—

Agentic & Tool Use Not comparable

Grok 4.6: 39.4 (#27), Mistral Small 3.2: —

Agentic & Tool Use benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
APEX-Agents	65.3%	—
GDP.pdf	17.2%	—
Vending-Bench 2	9,047	—

Reasoning Grok 4.6 leads

Grok 4.6: 61.4 (#20), Mistral Small 3.2: 18.1 (#287)

Reasoning benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
Chess Puzzles	40%	1%
Epoch Capabilities Index	156.44	131.74
ARC-AGI-2	67.1%	—
SimpleBench	75.9%	—
Kagi LLM Benchmark	—	40.4%
NYT Connections (extended)	80%	—
ARC-AGI-1	87.5%	—
CritPt	19.7%	—
EBR-Bench	30.5%	—
LMArena Hard Prompts	1447	—
Mystery Game Puzzles	34%	—
DTBench	97.3%	—
LMCA	48.5%	—

Math Grok 4.6 leads

Grok 4.6: 67.0 (#24), Mistral Small 3.2: 26.3 (#260)

Math benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
OTIS Mock AIME 2024-2025	99.2%	30.3%
FrontierMath (Tiers 1-3)	66%	—
FrontierMath Tier 4	31.7%	—
ProofBench	51%	—
LMArena Math	1423	—

Knowledge Grok 4.6 leads

Grok 4.6: 63.3 (#20), Mistral Small 3.2: 26.7 (#256)

Knowledge benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
GPQA Diamond	94%	49.1%
SimpleQA Verified	49.3%	—
LMArena Expert	1467	—

Multimodal Not comparable

Grok 4.6: 43.6 (#23), Mistral Small 3.2: —

Multimodal benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
LMArena Vision	1263	—
Blueprint-Bench 2	33.2%	—
Furniture Assembly	40%	—
LMArena Document	1452	—

Multilingual Not comparable

Grok 4.6: 53.0 (#74), Mistral Small 3.2: —

Multilingual benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
LMArena Non-English	1420	—
LMArena Chinese	1480	—
LMArena French	1461	—
LMArena German	1431	—
LMArena Japanese	1376	—
LMArena Korean	1397	—
LMArena Russian	1422	—
LMArena Spanish	1404	—

Instruction Following Not comparable

Grok 4.6: 75.4 (#63), Mistral Small 3.2: —

Instruction Following benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
LMArena Instruction Following	1431	—

Long Context Not comparable

Grok 4.6: 44.5 (#66), Mistral Small 3.2: —

Long Context benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
LMArena Longer Query	1454	—

Writing & Preference Grok 4.6 leads

Grok 4.6: 62.3 (#80), Mistral Small 3.2: 45.0 (#224)

Writing & Preference benchmarks
Benchmark	Grok 4.6	Mistral Small 3.2
LMArena Text	1428	—
LMArena Creative Writing	1428	—
EQ-Bench Creative Writing	—	1255
LMArena Multi-Turn	1425	—

Frequently asked questions

Is Grok 4.6 better than Mistral Small 3.2?

Which is cheaper, Grok 4.6 or Mistral Small 3.2?

Mistral Small 3.2 is cheaper. It lists at $0.0938 per million input tokens and $0.25 per million output tokens; Grok 4.6 lists at $2 and $6.

Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 256K.

How many benchmarks do Grok 4.6 and Mistral Small 3.2 share?

4 benchmarks have published results for both models. Grok 4.6 has 49 scored results on Noometry and Mistral Small 3.2 has 6.