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Model comparison

GLM-4.6 vs o4-mini (high)

Data verified

Head-to-head evidence from 2 shared benchmark results across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.

55.12/100
Margin
5.1pts
← winning
49.98/100
0 category wins1 category wins

Public leaderboard positions: GLM-4.6 #85 (Supported); o4-mini (high) #118 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. GLM-4.6 and o4-mini (high) share 2 comparable benchmark results. 1 of 8 categories are comparable. 12 results are unique to GLM-4.6; 0 to o4-mini (high).

Updated July 23, 2026
Shared results
2
GLM-4.6 only
12
o4-mini (high) only
0
Comparable categories
1 / 8

Pick GLM-4.6 if you want the stronger benchmark profile. o4-mini (high) only becomes the better choice if mathematics is the priority.

Confidence note. This is a partial-evidence comparison with 2 shared benchmark results 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

GLM-4.6 is clearly ahead on the BenchAlign aggregate, 55.12 to 49.98. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

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 GLM-4.6 and o4-mini (high)
CategoryGLM-4.6Δo4-mini (high)
MathGLM-4.63.4Margin→ 16.8o4-mini (high)20.2

Decisive benchmark drivers

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

More
A · GLM-4.6B · o4-mini (high)

  1. FrontierMath v2 (Tiers 1-3)

    Math
    Source ↗
    A 3.819%B 24.828%
    Winner: o4-mini (high)Δ 21
    FrontierMath v2 (Tiers 1-3): GLM-4.6 scored 3.819%; o4-mini (high) scored 24.828%. o4-mini (high) wins this benchmark.

  2. FrontierMath v2 (Tier 4)

    Math
    Source ↗
    A 2.128%B 6.250%
    Winner: o4-mini (high)Δ 4.1
    FrontierMath v2 (Tier 4): GLM-4.6 scored 2.128%; o4-mini (high) scored 6.250%. o4-mini (high) wins this benchmark.

Operational comparison

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

MetricGLM-4.6o4-mini (high)Comparison
Input / output priceUSD per 1M tokensGLM-4.6Not availableo4-mini (high)Not availableA complete price comparison is not available.
Generation speedtokens per secondGLM-4.6Not availableo4-mini (high)161 tok/sA complete speed comparison is not available.
First-answer latencyseconds to first tokenGLM-4.6Not availableo4-mini (high)21.94 sA complete latency comparison is not available.
Context windowmaximum listed tokensGLM-4.6200Ko4-mini (high)200KListed context windows are equal.

Benchmark Deep Dive

Agentic
BenchmarkGLM-4.6o4-mini (high)Result
τ²-bench resultsSource 76.9%—Not comparable
Coding
BenchmarkGLM-4.6o4-mini (high)Result
Vibe Code BenchSource 3.09%—Not comparable
AA-SciCodeSource 33.1%—Not comparable
Reasoning
BenchmarkGLM-4.6o4-mini (high)Result
AA-LCRSource 26.3%—Not comparable
CritPtSource 0.0%—Not comparable
Knowledge
BenchmarkGLM-4.6o4-mini (high)Result
Artificial Analysis Intelligence IndexSource 23.0%—Not comparable
AA-GPQA DiamondSource 63.2%—Not comparable
AA-HLESource 5.2%—Not comparable
AA-Omniscience IndexSource -31.6%—Not comparable
AA-Omniscience AccuracySource 20.8%—Not comparable
AA-Omniscience Hallucination RateSource 66.1%—Not comparable
Matho4-mini (high) wins
BenchmarkGLM-4.6o4-mini (high)Result
FrontierMath v2 (Tiers 1-3)Source 3.819%24.828%o4-mini (high) leads
FrontierMath v2 (Tier 4)Source 2.128%6.250%o4-mini (high) leads
Inst. Following
BenchmarkGLM-4.6o4-mini (high)Result
AA-IFBenchSource 36.7%—Not comparable
Frequently Asked Questions (2)

Which is better, GLM-4.6 or o4-mini (high)?

GLM-4.6 is ahead on BenchLM's BenchAlign leaderboard, 55.12 to 49.98. The biggest single separator in this matchup is FrontierMath v2 (Tiers 1-3), where the scores are 3.819% and 24.828%.

Which is better for math, GLM-4.6 or o4-mini (high)?

o4-mini (high) has the edge for math in this comparison, averaging 20.2 versus 3.4. Inside this category, FrontierMath v2 (Tiers 1-3) is the benchmark that creates the most daylight between them.

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