Skip to main content

Model comparison

GLM-5 vs Grok 4

Data verified

Head-to-head evidence from 15 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

Z.AI
66.06/100
Margin
5.6pts
← winning
60.42/100
1 category wins0 category wins

Public leaderboard positions: GLM-5 #28 (Supported); Grok 4 #50 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. GLM-5 and Grok 4 share 15 comparable benchmark results. 1 of 8 categories are comparable. 34 results are unique to GLM-5; 1 to Grok 4.

Updated July 20, 2026
Shared results
15
GLM-5 only
34
Grok 4 only
1
Comparable categories
1 / 8

Pick GLM-5 if you want the stronger benchmark profile. Grok 4 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Confidence note. This is a partial-evidence comparison with 15 shared benchmark results across 6 evidence categories; 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-5 is clearly ahead on the BenchAlign aggregate, 66.06 to 60.42. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GLM-5's sharpest advantage is in mathematics, where it averages 56.3 against 15.3. The single biggest benchmark swing on the page is FrontierMath v2 (Tiers 1-3), 16.434% to 19.655%.

GLM-5 gives you the larger context window at 200K, compared with 128K for Grok 4.

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-5 and Grok 4
CategoryGLM-5ΔGrok 4
MathGLM-556.3Margin 41.0Grok 415.3
AgenticGLM-556.2MarginNo overlapGrok 4Not measured
CodingGLM-566.3MarginNo overlapGrok 4Not measured
ReasoningGLM-560.8MarginNo overlapGrok 4Not measured
KnowledgeGLM-566.4MarginNo overlapGrok 4Not measured
MultilingualGLM-583.1MarginNo overlapGrok 4Not measured
Inst. FollowingGLM-592.6MarginNo overlapGrok 4Not measured

Decisive benchmark drivers

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

More
A · GLM-5B · Grok 4
  1. FrontierMath v2 (Tiers 1-3)

    Math
    Source ↗
    A 16.434%B 19.655%
    Winner: Grok 4Δ 3.2
    FrontierMath v2 (Tiers 1-3): GLM-5 scored 16.434%; Grok 4 scored 19.655%. Grok 4 wins this benchmark.
  2. FrontierMath v2 (Tier 4)

    Math
    Source ↗
    A 2.100%B 2.083%
    Winner: GLM-5Δ 0
    FrontierMath v2 (Tier 4): GLM-5 scored 2.100%; Grok 4 scored 2.083%. GLM-5 wins this benchmark.

Operational comparison

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

MetricGLM-5Grok 4Comparison
Input / output priceUSD per 1M tokensGLM-5$1 input / $3.2 outputGrok 4Not availableA complete price comparison is not available.
Generation speedtokens per secondGLM-574 tok/sGrok 454 tok/sGLM-5 has the higher measured throughput.
First-answer latencyseconds to first tokenGLM-51.64 sGrok 415.60 sGLM-5 reaches the first token sooner.
Context windowmaximum listed tokensGLM-5200KGrok 4128KGLM-5 lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGLM-5Grok 4Result
Terminal-Bench 2.0Source 56.2%Not comparable
Claw-EvalSource 57.7%Not comparable
QwenClawBenchSource 54.1%Not comparable
τ³-bench resultsSource 65.6%Not comparable
DeepPlanningSource 14.6%Not comparable
ToolathlonSource 38%Not comparable
MCP AtlasSource 31.1%Not comparable
MCP-TasksSource 60.8%Not comparable
WideResearchSource 69.8%Not comparable
τ²-bench resultsSource 98.2%74.9%GLM-5 leads
CyberGymSource 43.2%Not comparable
APEX-Agents-AASource 14.5%Not comparable
Gert LabsSource 50.99%42.34%GLM-5 leads
Coding
BenchmarkGLM-5Grok 4Result
SWE-bench VerifiedSource 77.8%Not comparable
SWE-bench Verified*Source 72.8%Not comparable
SWE-bench ProSource 55.1%Not comparable
SWE MultilingualSource 73.3%Not comparable
SWE-RebenchSource 62.8%Not comparable
React Native EvalsSource 74.8%72.6%GLM-5 leads
AA-SciCodeSource 46.2%45.7%GLM-5 leads
Reasoning
BenchmarkGLM-5Grok 4Result
LongBench v2Source 60.8%Not comparable
AI-NeedleSource 63.3%Not comparable
AA-LCRSource 63.3%68.0%Grok 4 leads
CritPtSource 2.0%2.0%Tie
Knowledge
BenchmarkGLM-5Grok 4Result
GPQASource 86%Not comparable
GPQA-DSource 86.0%Not comparable
SuperGPQASource 66.8%Not comparable
MMLU-ProSource 85.7%Not comparable
MMLU-Pro (Arcee)Source 85.8%Not comparable
HLESource 50.4%Not comparable
Artificial Analysis Intelligence IndexSource 39.5%33.3%GLM-5 leads
AA-GPQA DiamondSource 82.0%87.7%Grok 4 leads
AA-HLESource 27.2%23.9%GLM-5 leads
AA-Omniscience IndexSource 2.0%3.8%Grok 4 leads
AA-Omniscience AccuracySource 26.9%41.4%Grok 4 leads
AA-Omniscience Hallucination RateSource 34.0%64.2%GLM-5 leads
MathGLM-5 wins
BenchmarkGLM-5Grok 4Result
AIME26Source 95.8%Not comparable
AIME25 (Arcee)Source 93.3%Not comparable
HMMT Feb 2025Source 97.5%Not comparable
HMMT Nov 2025Source 96.9%Not comparable
HMMT Feb 2026Source 86.4%Not comparable
MMAnswerBenchSource 82.5%Not comparable
FrontierMath v2 (Tiers 1-3)Source 16.434%19.655%Grok 4 leads
FrontierMath v2 (Tier 4)Source 2.100%2.083%GLM-5 leads
Multilingual
BenchmarkGLM-5Grok 4Result
MMLU-ProXSource 83.1%Not comparable
NOVA-63Source 55.1%Not comparable
Multimodal
BenchmarkGLM-5Grok 4Result
Design Arena WebsiteSource 1280Not comparable
AA-MMMU-ProSource 68.8%Not comparable
Inst. Following
BenchmarkGLM-5Grok 4Result
IFEvalSource 92.6%Not comparable
AA-IFBenchSource 72.3%53.7%GLM-5 leads
Frequently Asked Questions (2)

Which is better, GLM-5 or Grok 4?

GLM-5 is ahead on BenchLM's BenchAlign leaderboard, 66.06 to 60.42. The biggest single separator in this matchup is FrontierMath v2 (Tiers 1-3), where the scores are 16.434% and 19.655%.

Which is better for math, GLM-5 or Grok 4?

GLM-5 has the edge for math in this comparison, averaging 56.3 versus 15.3. Inside this category, FrontierMath v2 (Tiers 1-3) is the benchmark that creates the most daylight between them.

Related Comparisons

Last updated: July 20, 2026

Choose a model with this week’s evidence

Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.

One email each week. Unsubscribe anytime.