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Model comparison

GLM-4.5 vs Mellum2-12B-A2.5B-Thinking

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.
57.56/100
No comparison
N/A
0 category wins0 category wins

Public leaderboard positions: GLM-4.5 #68 (Estimated); Mellum2-12B-A2.5B-Thinking unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. GLM-4.5 and Mellum2-12B-A2.5B-Thinking share 0 comparable benchmark results. 0 of 8 categories are comparable. 1 result is unique to GLM-4.5; 5 to Mellum2-12B-A2.5B-Thinking.

Updated July 23, 2026
Shared results
0
GLM-4.5 only
1
Mellum2-12B-A2.5B-Thinking only
5
Comparable categories
0 / 8

Benchmark data for GLM-4.5 and Mellum2-12B-A2.5B-Thinking 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.

Operational comparison

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

MetricGLM-4.5Mellum2-12B-A2.5B-ThinkingComparison
Input / output priceUSD per 1M tokensGLM-4.5$0.6 input / $2.2 outputMellum2-12B-A2.5B-ThinkingNot availableA complete price comparison is not available.
Generation speedtokens per secondGLM-4.551 tok/sMellum2-12B-A2.5B-ThinkingNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGLM-4.51.45 sMellum2-12B-A2.5B-ThinkingNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGLM-4.5128KMellum2-12B-A2.5B-Thinking128KListed context windows are equal.

Benchmark Deep Dive

Agentic
BenchmarkGLM-4.5Mellum2-12B-A2.5B-ThinkingResult
BFCL v4Source —45.6%Not comparable
Knowledge
BenchmarkGLM-4.5Mellum2-12B-A2.5B-ThinkingResult
MMLU-ReduxSource —86.2%Not comparable
GPQASource —57.6%Not comparable
GPQA-DSource —57.6%Not comparable
Multimodal
BenchmarkGLM-4.5Mellum2-12B-A2.5B-ThinkingResult
Design Arena WebsiteSource 1200—Not comparable
Inst. Following
BenchmarkGLM-4.5Mellum2-12B-A2.5B-ThinkingResult
IFEvalSource —76.5%Not comparable
Frequently Asked Questions (3)

Can I compare GLM-4.5 and Mellum2-12B-A2.5B-Thinking 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 GLM-4.5 and Mellum2-12B-A2.5B-Thinking today?

GLM-4.5: $0.60 input / $2.20 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 23, 2026

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