Skip to main content

Model comparison

GLM-5 vs Mistral Medium 3.5 128B

Data verified

Head-to-head evidence from 14 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

Z.AI
65.24/100
No comparison
0 category wins1 category wins

Public leaderboard positions: GLM-5 #31 (Supported); Mistral Medium 3.5 128B unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. GLM-5 and Mistral Medium 3.5 128B share 14 comparable benchmark results. 1 of 8 categories are comparable. 35 results are unique to GLM-5; 11 to Mistral Medium 3.5 128B.

Updated July 27, 2026
Shared results
14
GLM-5 only
35
Mistral Medium 3.5 128B only
11
Comparable categories
1 / 8

Treat this as a split decision. GLM-5 makes more sense if you want the cheaper token bill or you would rather avoid the extra latency and token burn of a reasoning model; Mistral Medium 3.5 128B is the better fit if coding is the priority or you need the larger 256K context window.

Confidence note. This is a partial-evidence comparison with 14 shared benchmark results across 5 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 and Mistral Medium 3.5 128B 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.

Mistral Medium 3.5 128B is also the more expensive model on tokens at $1.50 input / $7.50 output per 1M tokens, versus $1.00 input / $3.20 output per 1M tokens for GLM-5. That is roughly 2.3x on output cost alone. Mistral Medium 3.5 128B is the reasoning model in the pair, while GLM-5 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Mistral Medium 3.5 128B gives you the larger context window at 256K, compared with 200K for GLM-5.

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 Mistral Medium 3.5 128B
CategoryGLM-5ΔMistral Medium 3.5 128B
CodingGLM-566.3Margin 11.3Mistral Medium 3.5 128B77.6
AgenticGLM-556.2MarginNo overlapMistral Medium 3.5 128BNot measured
ReasoningGLM-560.8MarginNo overlapMistral Medium 3.5 128BNot measured
KnowledgeGLM-566.4MarginNo overlapMistral Medium 3.5 128BNot measured
MathGLM-556.3MarginNo overlapMistral Medium 3.5 128BNot measured
MultilingualGLM-583.1MarginNo overlapMistral Medium 3.5 128BNot measured
Inst. FollowingGLM-592.6MarginNo overlapMistral Medium 3.5 128BNot measured

Decisive benchmark drivers

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

More
A · GLM-5B · Mistral Medium 3.5 128B
  1. SWE-bench Verified

    Coding
    Source ↗
    A 77.8%B 77.6%
    Winner: GLM-5Δ 0.2
    SWE-bench Verified: GLM-5 scored 77.8%; Mistral Medium 3.5 128B scored 77.6%. GLM-5 wins this benchmark.

Operational comparison

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

MetricGLM-5Mistral Medium 3.5 128BComparison
Input / output priceUSD per 1M tokensGLM-5$1 input / $3.2 outputMistral Medium 3.5 128B$1.5 input / $7.5 outputGLM-5 has the lower combined listed price.
Generation speedtokens per secondGLM-574 tok/sMistral Medium 3.5 128BNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGLM-51.64 sMistral Medium 3.5 128BNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGLM-5200KMistral Medium 3.5 128B256KMistral Medium 3.5 128B lists the larger context window.

Benchmark Deep Dive

Agentic
BenchmarkGLM-5Mistral Medium 3.5 128BResult
Terminal-Bench 2.0Source 56.2%Not comparable
Claw-EvalSource 57.7%Not comparable
QwenClawBenchSource 54.1%Not comparable
τ³-bench resultsSource 65.6%91.4%Mistral Medium 3.5 128B leads
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%94.2%GLM-5 leads
CyberGymSource 43.2%Not comparable
APEX-Agents-AASource 14.5%Not comparable
Gert LabsSource 50.99%39.10%GLM-5 leads
AA Agentic IndexSource 19.0%Not comparable
GDPval-AASource 21.6%Not comparable
GDPval-AASource 933Not comparable
AA EnterpriseOps-GymSource 33.7%Not comparable
AA Harvey LABSource 69.1%Not comparable
terminalBenchHardSource 33.3%Not comparable
AA BriefcaseSource 516Not comparable
AA Tau3 BankingSource 14.4%Not comparable
CodingMistral Medium 3.5 128B wins
BenchmarkGLM-5Mistral Medium 3.5 128BResult
SWE-bench VerifiedSource 77.8%77.6%GLM-5 leads
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%Not comparable
AA-SciCodeSource 46.2%39.6%GLM-5 leads
AA Coding IndexSource 46.9%Not comparable
Reasoning
BenchmarkGLM-5Mistral Medium 3.5 128BResult
LongBench v2Source 60.8%Not comparable
AI-NeedleSource 63.3%Not comparable
AA-LCRSource 63.3%61.0%GLM-5 leads
CritPtSource 2.0%0.0%GLM-5 leads
Knowledge
BenchmarkGLM-5Mistral Medium 3.5 128BResult
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%29.9%GLM-5 leads
AA-GPQA DiamondSource 82.0%74.8%GLM-5 leads
AA-HLESource 27.2%12.8%GLM-5 leads
AA-Omniscience IndexSource 2.0%-36.3%GLM-5 leads
AA-Omniscience AccuracySource 26.9%25.1%GLM-5 leads
AA-Omniscience Hallucination RateSource 34.0%82.0%GLM-5 leads
AA Openness IndexSource 33.3%Not comparable
Math
BenchmarkGLM-5Mistral Medium 3.5 128BResult
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%Not comparable
FrontierMath v2 (Tier 4)Source 2.100%Not comparable
Multilingual
BenchmarkGLM-5Mistral Medium 3.5 128BResult
MMLU-ProXSource 83.1%Not comparable
NOVA-63Source 55.1%Not comparable
Multimodal
BenchmarkGLM-5Mistral Medium 3.5 128BResult
Design Arena WebsiteSource 1274Not comparable
AA-MMMU-ProSource 64.9%Not comparable
Inst. Following
BenchmarkGLM-5Mistral Medium 3.5 128BResult
IFEvalSource 92.6%Not comparable
AA-IFBenchSource 72.3%68.8%GLM-5 leads
Frequently Asked Questions (2)

Which is better, GLM-5 or Mistral Medium 3.5 128B?

GLM-5 and Mistral Medium 3.5 128B 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 coding, GLM-5 or Mistral Medium 3.5 128B?

Mistral Medium 3.5 128B has the edge for coding in this comparison, averaging 77.6 versus 66.3. Inside this category, AA-SciCode is the benchmark that creates the most daylight between them.

Related Comparisons

Last updated: July 27, 2026

Know when it’s worth switching models

The model to choose, the cheaper alternative, and the release we would wait on.

One email each week. Unsubscribe anytime.