Model comparison

Gemini 3.7 Flash vs Grok 4.3

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 43.8 on the Noometry Index.

Last verified October 10, 2026. 34 shared benchmarks.

Gemini 3.7 Flash

Google

59.8

Rank #14 Confirmed

Grok 4.3 xAI

43.8

Rank #86 Confirmed

Summary

They share 34 benchmarks with published results for both. Gemini 3.7 Flash scores higher in 10 categories and Grok 4.3 in 0 categories; 10 gaps are clear of the uncertainty.
The widest gap is in reasoning, where Gemini 3.7 Flash leads 70.0 to 35.9.
The biggest single-benchmark swing is ProofBench: 58% for Gemini 3.7 Flash and 11% for Grok 4.3.
Both cost about the same: $0.75 input and $3.75 output per million tokens.
Gemini 3.7 Flash accepts more context: 1.05M tokens versus 1M.

Side by side

Gemini 3.7 Flash and Grok 4.3 specifications
	Gemini 3.7 Flash	Grok 4.3
Provider	Google	xAI
Noometry Index	59.8	43.8
Released	2026-08-13	2026-04-17
Weights	Proprietary	Proprietary
Context window	1.05M	1M
Max output	66K	30K
Input $ / M tokens	$0.75	$1.25
Output $ / M tokens	$3.75	$2.50
Results tracked	44	40

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Gemini 3.7 Flash leads

Gemini 3.7 Flash: 56.2 (#22), Grok 4.3: 41.6 (#121)

Coding benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
LMArena WebDev	1592	1357
SciCode	59.8%	47.3%
LMArena Coding	1497	1415
ALE-Bench	904.3	944.17
DeepSWE	65.5%	—
FrontierCode	43.6%	—
FrontierSWE	20.3%	—
WeirdML	—	49.9%

Agentic & Tool Use Gemini 3.7 Flash leads

Gemini 3.7 Flash: 42.1 (#19), Grok 4.3: 27.7 (#99)

Agentic & Tool Use benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
GDP.pdf	23.8%	8%
APEX-Agents	67.8%	—
Remote Labor Index	5%	—
LMArena Search	—	1165
Vending-Bench 2	—	35.26

Reasoning Gemini 3.7 Flash leads

Gemini 3.7 Flash: 70.0 (#15), Grok 4.3: 35.9 (#68)

Reasoning benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
NYT Connections (extended)	94%	55.2%
CritPt	14.3%	8%
Chess Puzzles	47%	25%
LMArena Hard Prompts	1494	1396
DTBench	96.8%	90.7%
LMCA	50.4%	38.3%
Epoch Capabilities Index	157.27	149.16
ARC-AGI-2	84.6%	—
ARC-AGI-1	95.5%	—
Mystery Game Puzzles	37%	—
ForecastBench	—	60.3

Math Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.6 (#23), Grok 4.3: 46.0 (#74)

Math benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
FrontierMath (Tiers 1-3)	71.6%	42.8%
FrontierMath Tier 4	36.6%	14.6%
OTIS Mock AIME 2024-2025	97.2%	93.3%
ProofBench	58%	11%
LMArena Math	1507	1388

Knowledge Gemini 3.7 Flash leads

Gemini 3.7 Flash: 69.7 (#5), Grok 4.3: 52.5 (#62)

Knowledge benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
GPQA Diamond	94.8%	88.8%
SimpleQA Verified	69.2%	33.2%
LMArena Expert	1508	1385

Multimodal Gemini 3.7 Flash leads

Gemini 3.7 Flash: 37.3 (#73), Grok 4.3: 31.6 (#104)

Multimodal benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
LMArena Vision	1316	1229
Blueprint-Bench 2	—	0%
Furniture Assembly	26.7%	—

Multilingual Gemini 3.7 Flash leads

Gemini 3.7 Flash: 57.6 (#7), Grok 4.3: 50.5 (#120)

Multilingual benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
LMArena Non-English	1484	1385
LMArena Chinese	1548	1422
LMArena French	1505	1412
LMArena German	1498	1395
LMArena Japanese	1512	1379
LMArena Korean	1483	1356
LMArena Russian	1516	1399
LMArena Spanish	1503	1398

Instruction Following Gemini 3.7 Flash leads

Gemini 3.7 Flash: 77.7 (#15), Grok 4.3: 72.1 (#140)

Instruction Following benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
LMArena Instruction Following	1483	1366

Long Context Gemini 3.7 Flash leads

Gemini 3.7 Flash: 45.7 (#30), Grok 4.3: 42.5 (#123)

Long Context benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
LMArena Longer Query	1492	1393

Writing & Preference Gemini 3.7 Flash leads

Gemini 3.7 Flash: 71.2 (#20), Grok 4.3: 58.5 (#118)

Writing & Preference benchmarks
Benchmark	Gemini 3.7 Flash	Grok 4.3
LMArena Text	1486	1397
LMArena Creative Writing	1490	1380
LMArena Multi-Turn	1489	1406
EQ-Bench Creative Writing	1723	—
EQ-Bench 4	—	1075

Frequently asked questions

Is Gemini 3.7 Flash better than Grok 4.3?

Gemini 3.7 Flash is the stronger model overall, scoring 59.8 to 43.8 on the Noometry Index.

Which is cheaper, Gemini 3.7 Flash or Grok 4.3?

Gemini 3.7 Flash is cheaper. It lists at $0.75 per million input tokens and $3.75 per million output tokens; Grok 4.3 lists at $1.25 and $2.50.

Is Gemini 3.7 Flash or Grok 4.3 better for coding?

Gemini 3.7 Flash scores higher on coding benchmarks: 56.2 versus 41.6 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.7 Flash does, with 1.05M tokens against 1M.

How many benchmarks do Gemini 3.7 Flash and Grok 4.3 share?

34 benchmarks have published results for both models. Gemini 3.7 Flash has 44 scored results on Noometry and Grok 4.3 has 40.