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Model comparison

Gemini 3.1 Flash-Lite vs Grok 4

Data verified

Head-to-head evidence from 13 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

50.83/100
Margin
9.6pts
winning →
60.42/100
0 category wins0 category wins

Public leaderboard positions: Gemini 3.1 Flash-Lite #111 (Supported); Grok 4 #50 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Gemini 3.1 Flash-Lite and Grok 4 share 13 comparable benchmark results. 0 of 8 categories are comparable. 7 results are unique to Gemini 3.1 Flash-Lite; 3 to Grok 4.

Updated July 22, 2026
Shared results
13
Gemini 3.1 Flash-Lite only
7
Grok 4 only
3
Comparable categories
0 / 8

Benchmark data for Gemini 3.1 Flash-Lite and Grok 4 is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 13 shared benchmark results across 6 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.

Gemini 3.1 Flash-Lite has the larger context window at 1M, compared with 128K for Grok 4.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Gemini 3.1 Flash-Lite and Grok 4
CategoryGemini 3.1 Flash-LiteΔGrok 4
MathGemini 3.1 Flash-LiteNot measuredMarginNo overlapGrok 415.3
MultimodalGemini 3.1 Flash-Lite73.2MarginNo overlapGrok 4Not measured

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricGemini 3.1 Flash-LiteGrok 4Comparison
Input / output priceUSD per 1M tokensGemini 3.1 Flash-Lite$0.25 input / $1.5 outputGrok 4Not availableA complete price comparison is not available.
Generation speedtokens per secondGemini 3.1 Flash-Lite205 tok/sGrok 454 tok/sGemini 3.1 Flash-Lite has the higher measured throughput.
First-answer latencyseconds to first tokenGemini 3.1 Flash-Lite7.50 sGrok 415.60 sGemini 3.1 Flash-Lite reaches the first token sooner.
Context windowmaximum listed tokensGemini 3.1 Flash-Lite1MGrok 4128KGemini 3.1 Flash-Lite lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGemini 3.1 Flash-LiteGrok 4Result
AA Agentic IndexSource 6.2%Not comparable
APEX-Agents-AASource 12.2%Not comparable
τ²-bench resultsSource 31.3%74.9%Grok 4 leads
GDPval-AASource 7.1%Not comparable
GDPval-AASource 642Not comparable
Gert LabsSource 38.46%42.34%Grok 4 leads
Coding
BenchmarkGemini 3.1 Flash-LiteGrok 4Result
Vibe Code BenchSource 0.00%Not comparable
AA Coding IndexSource 34.7%Not comparable
AA-SciCodeSource 41.9%45.7%Grok 4 leads
React Native EvalsSource 72.6%Not comparable
Reasoning
BenchmarkGemini 3.1 Flash-LiteGrok 4Result
AA-LCRSource 65.3%68.0%Grok 4 leads
CritPtSource 1.1%2.0%Grok 4 leads
Knowledge
BenchmarkGemini 3.1 Flash-LiteGrok 4Result
Artificial Analysis Intelligence IndexSource 25.0%33.3%Grok 4 leads
AA-GPQA DiamondSource 82.2%87.7%Grok 4 leads
AA-HLESource 16.2%23.9%Grok 4 leads
AA-Omniscience IndexSource -15.5%3.8%Grok 4 leads
AA-Omniscience AccuracySource 36.4%41.4%Grok 4 leads
AA-Omniscience Hallucination RateSource 81.6%64.2%Grok 4 leads
Math
BenchmarkGemini 3.1 Flash-LiteGrok 4Result
FrontierMath v2 (Tiers 1-3)Source 19.655%Not comparable
FrontierMath v2 (Tier 4)Source 2.083%Not comparable
Multimodal
BenchmarkGemini 3.1 Flash-LiteGrok 4Result
CharXivSource 73.2%Not comparable
AA-MMMU-ProSource 75.5%68.8%Gemini 3.1 Flash-Lite leads
Inst. Following
BenchmarkGemini 3.1 Flash-LiteGrok 4Result
AA-IFBenchSource 77.2%53.7%Gemini 3.1 Flash-Lite leads
Frequently Asked Questions (3)

Can I compare Gemini 3.1 Flash-Lite and Grok 4 on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for Gemini 3.1 Flash-Lite and Grok 4 today?

Gemini 3.1 Flash-Lite: $0.25 input / $1.50 output per 1M tokens Grok 4: Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

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Last updated: July 22, 2026

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