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Model comparison

Gemini 3.5 Flash-Lite vs GPT-5.4 nano

Data verified

Head-to-head evidence from 16 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

N/A
No comparison
66.79/100
1 category wins0 category wins

Public leaderboard positions: Gemini 3.5 Flash-Lite unranked (Not scored); GPT-5.4 nano #25 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Gemini 3.5 Flash-Lite and GPT-5.4 nano share 16 comparable benchmark results. 1 of 8 categories are comparable. 5 results are unique to Gemini 3.5 Flash-Lite; 13 to GPT-5.4 nano.

Updated July 21, 2026
Shared results
16
Gemini 3.5 Flash-Lite only
5
GPT-5.4 nano only
13
Comparable categories
1 / 8

Treat this as a split decision. Gemini 3.5 Flash-Lite makes more sense if agentic is the priority or you need the larger 1M context window; GPT-5.4 nano is the better fit if you want the cheaper token bill.

Confidence note. This is a partial-evidence comparison with 16 shared benchmark results across 5 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Gemini 3.5 Flash-Lite and GPT-5.4 nano finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.

Gemini 3.5 Flash-Lite is also the more expensive model on tokens at $0.30 input / $2.50 output per 1M tokens, versus $0.20 input / $1.25 output per 1M tokens for GPT-5.4 nano. That is roughly 2.0x on output cost alone. Gemini 3.5 Flash-Lite gives you the larger context window at 1M, compared with 400K for GPT-5.4 nano.

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 3.5 Flash-Lite and GPT-5.4 nano
CategoryGemini 3.5 Flash-LiteΔGPT-5.4 nano
AgenticGemini 3.5 Flash-Lite63.4Margin← 20.5GPT-5.4 nano42.9
CodingGemini 3.5 Flash-Lite54.2MarginNo overlapGPT-5.4 nanoNot measured
ReasoningGemini 3.5 Flash-Lite72.2MarginNo overlapGPT-5.4 nanoNot measured
KnowledgeGemini 3.5 Flash-LiteNot measuredMarginNo overlapGPT-5.4 nano43.8
MathGemini 3.5 Flash-LiteNot measuredMarginNo overlapGPT-5.4 nano21.0
MultimodalGemini 3.5 Flash-LiteNot measuredMarginNo overlapGPT-5.4 nano66.1

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · Gemini 3.5 Flash-LiteB · GPT-5.4 nano

  1. OSWorld-Verified

    Agentic
    Source ↗
    A 74%B 39%
    Winner: Gemini 3.5 Flash-LiteΔ 35
    OSWorld-Verified: Gemini 3.5 Flash-Lite scored 74%; GPT-5.4 nano scored 39%. Gemini 3.5 Flash-Lite wins this benchmark.

  2. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 54%B 46.3%
    Winner: Gemini 3.5 Flash-LiteΔ 7.7
    Terminal-Bench 2.0: Gemini 3.5 Flash-Lite scored 54%; GPT-5.4 nano scored 46.3%. Gemini 3.5 Flash-Lite wins this benchmark.

Operational comparison

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

MetricGemini 3.5 Flash-LiteGPT-5.4 nanoComparison
Input / output priceUSD per 1M tokensGemini 3.5 Flash-Lite$0.3 input / $2.5 outputGPT-5.4 nano$0.2 input / $1.25 outputGPT-5.4 nano has the lower combined listed price.
Generation speedtokens per secondGemini 3.5 Flash-LiteNot availableGPT-5.4 nano191 tok/sA complete speed comparison is not available.
First-answer latencyseconds to first tokenGemini 3.5 Flash-LiteNot availableGPT-5.4 nano3.64 sA complete latency comparison is not available.
Context windowmaximum listed tokensGemini 3.5 Flash-Lite1MGPT-5.4 nano400KGemini 3.5 Flash-Lite lists the larger context window.

Benchmark Deep Dive

AgenticGemini 3.5 Flash-Lite wins
BenchmarkGemini 3.5 Flash-LiteGPT-5.4 nanoResult
Terminal-Bench 2.0Source 54%46.3%Gemini 3.5 Flash-Lite leads
OSWorld-VerifiedSource 74%39%Gemini 3.5 Flash-Lite leads
GDPval-AASource 11401100Gemini 3.5 Flash-Lite leads
AA Agentic IndexSource 26.8%27.5%GPT-5.4 nano leads
GDPval-AASource 32.0%30.0%Gemini 3.5 Flash-Lite leads
AA BriefcaseSource 634—Not comparable
AA Tau3 BankingSource 16.5%—Not comparable
MCP AtlasSource —56.1%Not comparable
ToolathlonSource —35.5%Not comparable
τ²-bench resultsSource —76%Not comparable
APEX-Agents-AASource —24.9%Not comparable
Coding
BenchmarkGemini 3.5 Flash-LiteGPT-5.4 nanoResult
Terminal-Bench 2.0Source 54.0%—Not comparable
SWE-bench ProSource 54.2%—Not comparable
AA Coding IndexSource 49.3%56.1%GPT-5.4 nano leads
AA-SciCodeSource 40.9%46.9%GPT-5.4 nano leads
Vibe Code BenchSource —26.10%Not comparable
Reasoning
BenchmarkGemini 3.5 Flash-LiteGPT-5.4 nanoResult
MRCRv2Source 72.2%—Not comparable
AA-LCRSource 62.0%66.0%GPT-5.4 nano leads
CritPtSource 0.0%9.3%GPT-5.4 nano leads
Knowledge
BenchmarkGemini 3.5 Flash-LiteGPT-5.4 nanoResult
Artificial Analysis Intelligence IndexSource 36.5%38.2%GPT-5.4 nano leads
AA-GPQA DiamondSource 83.8%81.7%Gemini 3.5 Flash-Lite leads
AA-HLESource 17.5%26.5%GPT-5.4 nano leads
AA-Omniscience IndexSource 6.9%-29.5%Gemini 3.5 Flash-Lite leads
AA-Omniscience AccuracySource 30.3%25.4%Gemini 3.5 Flash-Lite leads
AA-Omniscience Hallucination RateSource 33.5%73.6%Gemini 3.5 Flash-Lite leads
GPQASource —82.8%Not comparable
HLESource —37.7%Not comparable
HLE w/o toolsSource —24.3%Not comparable
Math
BenchmarkGemini 3.5 Flash-LiteGPT-5.4 nanoResult
FrontierMath v2 (Tiers 1-3)Source —25.860%Not comparable
FrontierMath v2 (Tier 4)Source —6.250%Not comparable
Multimodal
BenchmarkGemini 3.5 Flash-LiteGPT-5.4 nanoResult
AA-MMMU-ProSource 79.0%65.4%Gemini 3.5 Flash-Lite leads
MMMU-ProSource —66.1%Not comparable
MMMU-Pro w/ PythonSource —69.5%Not comparable
Inst. Following
BenchmarkGemini 3.5 Flash-LiteGPT-5.4 nanoResult
AA-IFBenchSource —75.9%Not comparable
Frequently Asked Questions (2)

Which is better, Gemini 3.5 Flash-Lite or GPT-5.4 nano?

Gemini 3.5 Flash-Lite and GPT-5.4 nano are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.

Which is better for agentic tasks, Gemini 3.5 Flash-Lite or GPT-5.4 nano?

Gemini 3.5 Flash-Lite has the edge for agentic tasks in this comparison, averaging 63.4 versus 42.9. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.

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Last updated: July 21, 2026

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