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Model comparison

Gemma 4 26B A4B 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.

57.86/100
Margin
16.6pts
← winning
41.25/100
0 category wins0 category wins

BenchAlign evidence: Gemma 4 26B A4B supported; LFM2.5-8B-A1B estimated. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Gemma 4 26B A4B and LFM2.5-8B-A1B share 12 comparable benchmark results. 0 of 8 categories are comparable. 9 results are unique to Gemma 4 26B A4B; 6 to LFM2.5-8B-A1B.

Updated July 16, 2026
Shared results
12
Gemma 4 26B A4B only
9
LFM2.5-8B-A1B only
6
Comparable categories
0 / 8

Benchmark data for Gemma 4 26B A4B and LFM2.5-8B-A1B is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 12 shared benchmark results across 5 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.

Gemma 4 26B A4B has the larger context window at 256K, 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 Gemma 4 26B A4B and LFM2.5-8B-A1B
CategoryGemma 4 26B A4BΔLFM2.5-8B-A1B
KnowledgeGemma 4 26B A4B43.8MarginNo overlapLFM2.5-8B-A1BNot measured
MathGemma 4 26B A4BNot measuredMarginNo overlapLFM2.5-8B-A1B50.0
MultimodalGemma 4 26B A4B73.8MarginNo overlapLFM2.5-8B-A1BNot measured
Inst. FollowingGemma 4 26B A4BNot measuredMarginNo overlapLFM2.5-8B-A1B68.8

Operational comparison

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

MetricGemma 4 26B A4BLFM2.5-8B-A1BComparison
Input / output priceUSD per 1M tokensGemma 4 26B A4B$0 input / $0 outputLFM2.5-8B-A1B$0 input / $0 outputListed prices are equal.
Generation speedtokens per secondGemma 4 26B A4BNot availableLFM2.5-8B-A1BNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGemma 4 26B A4BNot availableLFM2.5-8B-A1BNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGemma 4 26B A4B256KLFM2.5-8B-A1B128KGemma 4 26B A4B lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGemma 4 26B A4BLFM2.5-8B-A1BResult
AA Agentic IndexSource 11.0%Not comparable
τ²-bench resultsSource 43.6%16.1%Gemma 4 26B A4B leads
GDPval-AASource 13.1%Not comparable
GDPval-AASource 761Not comparable
BFCL v4Source 49.7%Not comparable
Coding
BenchmarkGemma 4 26B A4BLFM2.5-8B-A1BResult
AA Coding IndexSource 39.3%Not comparable
Terminal-Bench HardSource 13.6%4.5%Gemma 4 26B A4B leads
AA-SciCodeSource 40.0%7.8%Gemma 4 26B A4B leads
Reasoning
BenchmarkGemma 4 26B A4BLFM2.5-8B-A1BResult
AA-LCRSource 55.7%0.0%Gemma 4 26B A4B leads
CritPtSource 0.0%0.0%Tie
Knowledge
BenchmarkGemma 4 26B A4BLFM2.5-8B-A1BResult
MMLU-ProSource 82.6%Not comparable
HLESource 17.2%Not comparable
HLE w/o toolsSource 8.7%Not comparable
Artificial Analysis Intelligence IndexSource 25.7%8.3%Gemma 4 26B A4B leads
AA-GPQA DiamondSource 79.2%51.3%Gemma 4 26B A4B leads
AA-HLESource 18.3%6.9%Gemma 4 26B A4B leads
AA-Omniscience IndexSource -48.1%-33.3%LFM2.5-8B-A1B leads
AA-Omniscience AccuracySource 18.2%9.4%Gemma 4 26B A4B leads
AA-Omniscience Hallucination RateSource 80.9%47.0%LFM2.5-8B-A1B leads
Math
BenchmarkGemma 4 26B A4BLFM2.5-8B-A1BResult
MATH-500Source 88.8%Not comparable
AIME 2025Source 42.5%Not comparable
AIME26Source 50.0%Not comparable
Multimodal
BenchmarkGemma 4 26B A4BLFM2.5-8B-A1BResult
MMMU-ProSource 73.8%Not comparable
AA-MMMU-ProSource 69.2%Not comparable
Inst. Following
BenchmarkGemma 4 26B A4BLFM2.5-8B-A1BResult
AA-IFBenchSource 72.4%55.6%Gemma 4 26B A4B leads
IFEvalSource 91.8%Not comparable
IFBenchSource 56.5%Not comparable
Frequently Asked Questions (3)

Can I compare Gemma 4 26B A4B and LFM2.5-8B-A1B 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 Gemma 4 26B A4B and LFM2.5-8B-A1B today?

Gemma 4 26B A4B: $0.00 input / $0.00 output per 1M tokens LFM2.5-8B-A1B: $0.00 input / $0.00 output per 1M tokens 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 16, 2026

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