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Model comparison

Gemini 3 Flash vs LFM2.5-8B-A1B

Data verified

Head-to-head evidence from 12 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

60.41/100
Margin
19.2pts
← winning
41.25/100
0 category wins1 category wins

BenchAlign evidence: Gemini 3 Flash supported; LFM2.5-8B-A1B estimated. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Gemini 3 Flash and LFM2.5-8B-A1B share 12 comparable benchmark results. 1 of 8 categories are comparable. 8 results are unique to Gemini 3 Flash; 6 to LFM2.5-8B-A1B.

Updated July 16, 2026
Shared results
12
Gemini 3 Flash only
8
LFM2.5-8B-A1B only
6
Comparable categories
1 / 8

Pick Gemini 3 Flash if you want the stronger benchmark profile. LFM2.5-8B-A1B only becomes the better choice if mathematics is the priority or you want the cheaper token bill.

Confidence note. This is a partial-evidence comparison with 12 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 Flash is clearly ahead on the provisional aggregate, 54 to 37. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Gemini 3 Flash is also the more expensive model on tokens at $0.50 input / $3.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for LFM2.5-8B-A1B. That is roughly Infinityx on output cost alone. LFM2.5-8B-A1B is the reasoning model in the pair, while Gemini 3 Flash is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Gemini 3 Flash gives you the larger context window at 1M, compared with 128K for LFM2.5-8B-A1B.

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 Flash and LFM2.5-8B-A1B
CategoryGemini 3 FlashΔLFM2.5-8B-A1B
MathGemini 3 Flash27.8Margin→ 22.2LFM2.5-8B-A1B50.0
Inst. FollowingGemini 3 FlashNot measuredMarginNo overlapLFM2.5-8B-A1B68.8

Operational comparison

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

MetricGemini 3 FlashLFM2.5-8B-A1BComparison
Input / output priceUSD per 1M tokensGemini 3 Flash$0.5 input / $3 outputLFM2.5-8B-A1B$0 input / $0 outputLFM2.5-8B-A1B has the lower combined listed price.
Generation speedtokens per secondGemini 3 Flash159 tok/sLFM2.5-8B-A1BNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGemini 3 Flash1.19 sLFM2.5-8B-A1BNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGemini 3 Flash1MLFM2.5-8B-A1B128KGemini 3 Flash lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGemini 3 FlashLFM2.5-8B-A1BResult
Claw-EvalSource 49.2%—Not comparable
τ²-bench resultsSource 43.3%16.1%Gemini 3 Flash leads
Gert LabsSource 56.63%—Not comparable
JobBenchSource 11.4%—Not comparable
BFCL v4Source —49.7%Not comparable
Coding
BenchmarkGemini 3 FlashLFM2.5-8B-A1BResult
Vibe Code BenchSource 20.20%—Not comparable
Terminal-Bench HardSource 31.8%4.5%Gemini 3 Flash leads
AA-SciCodeSource 49.9%7.8%Gemini 3 Flash leads
Reasoning
BenchmarkGemini 3 FlashLFM2.5-8B-A1BResult
AA-LCRSource 48.0%0.0%Gemini 3 Flash leads
CritPtSource 1.4%0.0%Gemini 3 Flash leads
Knowledge
BenchmarkGemini 3 FlashLFM2.5-8B-A1BResult
Artificial Analysis Intelligence IndexSource 27.4%8.3%Gemini 3 Flash leads
AA-GPQA DiamondSource 81.2%51.3%Gemini 3 Flash leads
AA-HLESource 14.1%6.9%Gemini 3 Flash leads
AA-Omniscience IndexSource -3.6%-33.3%Gemini 3 Flash leads
AA-Omniscience AccuracySource 45.5%9.4%Gemini 3 Flash leads
AA-Omniscience Hallucination RateSource 90.2%47.0%LFM2.5-8B-A1B leads
MathLFM2.5-8B-A1B wins
BenchmarkGemini 3 FlashLFM2.5-8B-A1BResult
FrontierMath v2 (Tiers 1-3)Source 35.640%—Not comparable
FrontierMath v2 (Tier 4)Source 4.167%—Not comparable
MATH-500Source —88.8%Not comparable
AIME 2025Source —42.5%Not comparable
AIME26Source —50.0%Not comparable
Multimodal
BenchmarkGemini 3 FlashLFM2.5-8B-A1BResult
AA-MMMU-ProSource 78.6%—Not comparable
Design Arena WebsiteSource 1230—Not comparable
Inst. Following
BenchmarkGemini 3 FlashLFM2.5-8B-A1BResult
AA-IFBenchSource 55.1%55.6%LFM2.5-8B-A1B leads
IFEvalSource —91.8%Not comparable
IFBenchSource —56.5%Not comparable
Frequently Asked Questions (2)

Which is better, Gemini 3 Flash or LFM2.5-8B-A1B?

Gemini 3 Flash is ahead on BenchLM's provisional leaderboard, 54 to 37.

Which is better for math, Gemini 3 Flash or LFM2.5-8B-A1B?

LFM2.5-8B-A1B has the edge for math in this comparison, averaging 50 versus 27.8. Gemini 3 Flash stays close enough that the answer can still flip depending on your workload.

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Last updated: July 16, 2026

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