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Model comparison

Claude Sonnet 4.5 Thinking vs LFM2.5-VL-450M

Data verified

Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

No sourced benchmark result is currently shared by both models. This page therefore compares only the available metadata, pricing, and runtime rows; it does not name a quality winner.
N/A
No comparison
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0 category wins0 category wins

Evidence parity. Claude Sonnet 4.5 Thinking and LFM2.5-VL-450M share 0 comparable benchmark results. 0 of 8 categories are comparable. 2 results are unique to Claude Sonnet 4.5 Thinking; 7 to LFM2.5-VL-450M.

Updated July 23, 2026
Shared results
0
Claude Sonnet 4.5 Thinking only
2
LFM2.5-VL-450M only
7
Comparable categories
0 / 8

Benchmark data for Claude Sonnet 4.5 Thinking and LFM2.5-VL-450M is coming soon on BenchLM.

Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 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.

Claude Sonnet 4.5 Thinking has the larger context window at 200K, compared with 128K for LFM2.5-VL-450M.

Operational comparison

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

MetricClaude Sonnet 4.5 ThinkingLFM2.5-VL-450MComparison
Input / output priceUSD per 1M tokensClaude Sonnet 4.5 ThinkingNot availableLFM2.5-VL-450M$0 input / $0 outputA complete price comparison is not available.
Generation speedtokens per secondClaude Sonnet 4.5 ThinkingNot availableLFM2.5-VL-450MNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude Sonnet 4.5 ThinkingNot availableLFM2.5-VL-450MNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude Sonnet 4.5 Thinking200KLFM2.5-VL-450M128KClaude Sonnet 4.5 Thinking lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkClaude Sonnet 4.5 ThinkingLFM2.5-VL-450MResult
BFCL v4Source —21.1%Not comparable
Coding
BenchmarkClaude Sonnet 4.5 ThinkingLFM2.5-VL-450MResult
Vibe Code BenchSource 22.62%—Not comparable
Knowledge
BenchmarkClaude Sonnet 4.5 ThinkingLFM2.5-VL-450MResult
GPQASource —25.7%Not comparable
MMLU-ProSource —19.3%Not comparable
Multimodal
BenchmarkClaude Sonnet 4.5 ThinkingLFM2.5-VL-450MResult
Design Arena WebsiteSource 1219—Not comparable
MMMUSource —32.7%Not comparable
RealWorldQASource —58.4%Not comparable
CountBenchSource —73.3%Not comparable
Inst. Following
BenchmarkClaude Sonnet 4.5 ThinkingLFM2.5-VL-450MResult
IFEvalSource —61.2%Not comparable
Frequently Asked Questions (3)

Can I compare Claude Sonnet 4.5 Thinking and LFM2.5-VL-450M 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 Claude Sonnet 4.5 Thinking and LFM2.5-VL-450M today?

LFM2.5-VL-450M: $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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