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Model comparison

DeepSeek V4 Pro Base vs LFM2.5-VL-450M

Data verified

Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.

N/A
No comparison
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1 category wins0 category wins

Evidence parity. DeepSeek V4 Pro Base and LFM2.5-VL-450M share 1 comparable benchmark result. 1 of 8 categories are comparable. 23 results are unique to DeepSeek V4 Pro Base; 6 to LFM2.5-VL-450M.

Updated July 23, 2026
Shared results
1
DeepSeek V4 Pro Base only
23
LFM2.5-VL-450M only
6
Comparable categories
1 / 8

Treat this as a split decision. DeepSeek V4 Pro Base makes more sense if knowledge is the priority or you need the larger 1M context window; LFM2.5-VL-450M is the better fit if its strengths line up with your actual workload.

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

Why this result

DeepSeek V4 Pro Base and LFM2.5-VL-450M 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.

DeepSeek V4 Pro Base gives you the larger context window at 1M, compared with 128K for LFM2.5-VL-450M.

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 DeepSeek V4 Pro Base and LFM2.5-VL-450M
CategoryDeepSeek V4 Pro BaseΔLFM2.5-VL-450M
KnowledgeDeepSeek V4 Pro Base66.4Margin← 45.9LFM2.5-VL-450M20.5
ReasoningDeepSeek V4 Pro Base51.5MarginNo overlapLFM2.5-VL-450MNot measured
Inst. FollowingDeepSeek V4 Pro BaseNot measuredMarginNo overlapLFM2.5-VL-450M61.2

Decisive benchmark drivers

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

More
A · DeepSeek V4 Pro BaseB · LFM2.5-VL-450M

  1. MMLU-Pro

    Knowledge
    Source ↗
    A 73.5%B 19.3%
    Winner: DeepSeek V4 Pro BaseΔ 54.2
    MMLU-Pro: DeepSeek V4 Pro Base scored 73.5%; LFM2.5-VL-450M scored 19.3%. DeepSeek V4 Pro Base wins this benchmark.

Operational comparison

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

MetricDeepSeek V4 Pro BaseLFM2.5-VL-450MComparison
Input / output priceUSD per 1M tokensDeepSeek V4 Pro BaseNot availableLFM2.5-VL-450M$0 input / $0 outputA complete price comparison is not available.
Generation speedtokens per secondDeepSeek V4 Pro BaseNot availableLFM2.5-VL-450MNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenDeepSeek V4 Pro BaseNot availableLFM2.5-VL-450MNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensDeepSeek V4 Pro Base1MLFM2.5-VL-450M128KDeepSeek V4 Pro Base lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkDeepSeek V4 Pro BaseLFM2.5-VL-450MResult
BFCL v4Source —21.1%Not comparable
Coding
BenchmarkDeepSeek V4 Pro BaseLFM2.5-VL-450MResult
BigCodeBenchSource 59.2%—Not comparable
HumanEvalSource 76.8%—Not comparable
Reasoning
BenchmarkDeepSeek V4 Pro BaseLFM2.5-VL-450MResult
BBHSource 87.5%—Not comparable
DROPSource 88.7%—Not comparable
HellaSwagSource 88.0%—Not comparable
WinoGrandeSource 81.5%—Not comparable
CLUEWSCSource 85.2%—Not comparable
LongBench v2Source 51.5%—Not comparable
KnowledgeDeepSeek V4 Pro Base wins
BenchmarkDeepSeek V4 Pro BaseLFM2.5-VL-450MResult
AGIEvalSource 83.1%—Not comparable
MMLUSource 90.1%—Not comparable
MMLU-ReduxSource 90.8%—Not comparable
MMLU-ProSource 73.5%19.3%DeepSeek V4 Pro Base leads
MMMLUSource 90.3%—Not comparable
C-EvalSource 93.1%—Not comparable
CMMLUSource 90.8%—Not comparable
MultiLoKoSource 51.1%—Not comparable
SimpleQASource 55.2%—Not comparable
SuperGPQASource 53.9%—Not comparable
FACTS ParametricSource 62.6%—Not comparable
TriviaQASource 85.6%—Not comparable
GPQASource —25.7%Not comparable
Math
BenchmarkDeepSeek V4 Pro BaseLFM2.5-VL-450MResult
GSM8KSource 92.6%—Not comparable
MATHSource 64.5%—Not comparable
CMathSource 90.9%—Not comparable
Multilingual
BenchmarkDeepSeek V4 Pro BaseLFM2.5-VL-450MResult
MGSMSource 84.4%—Not comparable
Multimodal
BenchmarkDeepSeek V4 Pro BaseLFM2.5-VL-450MResult
MMMUSource —32.7%Not comparable
RealWorldQASource —58.4%Not comparable
CountBenchSource —73.3%Not comparable
Inst. Following
BenchmarkDeepSeek V4 Pro BaseLFM2.5-VL-450MResult
IFEvalSource —61.2%Not comparable
Frequently Asked Questions (2)

Which is better, DeepSeek V4 Pro Base or LFM2.5-VL-450M?

DeepSeek V4 Pro Base and LFM2.5-VL-450M 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 knowledge tasks, DeepSeek V4 Pro Base or LFM2.5-VL-450M?

DeepSeek V4 Pro Base has the edge for knowledge tasks in this comparison, averaging 66.4 versus 20.5. Inside this category, MMLU-Pro is the benchmark that creates the most daylight between them.

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Last updated: July 23, 2026

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