BenchLeader

Claude Opus 4.6 vs GLM-5

Full profiles: Claude Opus 4.6 (Anthropic) and GLM-5 (Zhipu AI): every benchmark, price and rank.

Updated · Data from 11 sources

As of 29 Oct 2026, Claude Opus 4.6 and GLM-5 are neck and neck on quality (62.6 vs 60.2 on the BenchLeader Index, inside the ±4.3 margin), and GLM-5 is 6.5× cheaper at $1.55 vs $10.00 per 1M tokens blended. Choose Claude Opus 4.6 for coding (63 vs 59) and fast first answers (1.2 s vs 46.9 s); choose GLM-5 for reasoning (68 vs 66), where it also streams ~1.5× faster.

Key facts (as of 29 Oct 2026)

  • Claude Opus 4.6 scores 62.6 on the BenchLeader Index and GLM-5 scores 60.2 (BenchLeader, 29 Oct 2026).
  • Claude Opus 4.6 costs $10.00 per 1M tokens blended (list price, 29 Oct 2026).
  • GLM-5 costs $1.55 per 1M tokens blended (list price, 29 Oct 2026).
  • GLM-5 streams ~1.5× faster than Claude Opus 4.6 (Artificial Analysis, 7-day median, 29 Oct 2026).

Which to pick for…

The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.

Use casePickWhyConfidence
CodingClaude Opus 4.663 vs 59 category scoreMedium
MathsEither63 vs 63 category scoreEither
ReasoningGLM-568 vs 66 category scoreMedium
Chat quality (human preference)–Only Claude Opus 4.6 has an Arena rating (70 category score)Not comparable
Lowest costGLM-5$1.55 vs $10.00 per 1M blended; agentic coding session $0.073 vs $0.400–
Fastest first answerClaude Opus 4.61.2 s (Claude Opus 4.6 (high)) vs 46.9 s (GLM-5 (thinking)) to the first answer token–
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Claude Opus 4.6 (high) and GLM-5 (thinking) are neck and neck on quality (62.6 vs 60.2, within the ±4.3 margin).
  • Claude Opus 4.6 (high) is stronger in coding, human preference, maths, multimodal.
  • GLM-5 (thinking) is stronger in reasoning, agents & tools, instruction following, knowledge, long context.
  • GLM-5 (thinking) is 6.5× cheaper ($1.55 vs $10.00 per 1M blended).
  • GLM-5 (thinking) streams 2.0× faster (69 vs 35 tokens per second).

At a glance

SpecClaude Opus 4.6GLM-5
DeveloperAnthropicZhipu AI
Released5 Feb 202611 Feb 2026
Context window (tokens)1,000,000204,800
Compared atClaude Opus 4.6 (high)GLM-5 (thinking)
Open weightsNoYes
Price in / out / cached input per 1M$5.00 / $25.00 / $0.500$1.00 / $3.20 / $0.200

Category by category

Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.

CategoryClaude Opus 4.6 (high)GLM-5 (thinking)Leader
Reasoning65.568.2GLM-5
Coding62.559.1Claude Opus 4.6
Agents & tools–58.0not comparable
Maths63.463.2level
Knowledge–57.3not comparable
Instruction following–70.8not comparable
Human preference69.8–not comparable
Multimodal66.6–not comparable
Long context–62.6not comparable

Where sources disagree

Across the 0 benchmarks both have, Claude Opus 4.6 leads 0, GLM-5 leads 0. Every overall index that rates both puts Claude Opus 4.6 ahead.

Overall indexClaude Opus 4.6 (high)GLM-5 (thinking)Leader
BenchLeader Index62.660.2neck and neck
Arena Text15031457†Claude Opus 4.6

Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).

Price, speed and latency

List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page; suite cost is what Artificial Analysis paid to run its whole Intelligence Index.

MeasureClaude Opus 4.6 (high)GLM-5 (thinking)
Blended price per 1M tokens$10.00$1.55
Input / output per 1M$5.00 / $25.00$1.00 / $3.20
Cached input per 1M$0.500$0.200
Price per task: chat reply$0.0095$0.0014
Price per task: summarize a 30-page report$0.075$0.014
Price per task: code edit$0.068$0.011
Price per task: agentic coding session$0.400$0.073
Price per task: structured extraction$0.015$0.0026
Output speed35 tok/s69 tok/s
Time to first answer1.2 s46.9 s
Time to a complete answer–54.2 s

Each model is compared at its best-ranked reasoning-effort setting. Claude Opus 4.6 (high) scores 62.6 and takes 1 s to its first answer token; Claude Opus 4.6 (thinking) scores 62.4 in 1 s, Claude Opus 4.6 scores 62.4 in 1 s. GLM-5 (thinking) scores 60.2 and takes 47 s to its first answer token; GLM-5 scores 54.9 in 2 s. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.

Every benchmark

108 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.

MetricPublisherClaude Opus 4.6 (high)GLM-5 (thinking)
BenchLeader IndexBenchLeader62.660.2
Coding scoreBenchLeader62.559.1
Human preference scoreBenchLeader69.8–
Maths scoreBenchLeader63.463.2
Multimodal scoreBenchLeader66.6–
Reasoning scoreBenchLeader65.568.2
Agents & tools scoreBenchLeader–58.0
Instruction following scoreBenchLeader–70.8
Knowledge scoreBenchLeader–57.3
Long context scoreBenchLeader–62.6
Blended price $/MBenchLeader$10.00$1.55
Output speedBenchLeader35 tok/s69 tok/s
Time to first answerBenchLeader1.2 s46.9 s
Context windowBenchLeader1,000,000 tokens204,800 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub90.5%†87.8%†
Humanity's Last ExamScale AI / CAIS19.0%†–
SimpleBenchSimpleBench67.6%†53.2%†
Arena Hard PromptsArena (LMArena)15311478†
LiveBench 1.0 ReasoningLiveBench88.7%–
GPQA Diamond (AA)Artificial Analysis84.0%†82.0%
Humanity's Last Exam (AA)Artificial Analysis19.1%†29.3%
GPQA Diamond (Vals)Vals AI89.7%†83.3%
Kagi LLM BenchmarkKagi LLM Benchmark72.4%†75.0%
ARC-AGI-1ARC Prize94.0%44.7%†
ARC-AGI-2ARC Prize69.2%4.9%†
ARC-AGI-3ARC Prize0.5%†–
CritPtArtificial Analysis2.8%†2.0%
Chess PuzzlesEpoch AI Benchmarking Hub21.0%†–
Mystery Game PuzzlesEpoch AI Benchmarking Hub15.0%†–
CL-benchEpoch AI Benchmarking Hub20.7%†18.7%†
CL-bench LifeEpoch AI Benchmarking Hub17.0%–
LMCAEpoch AI Benchmarking Hub55.8%†–
DTBenchEpoch AI Benchmarking Hub91.2%†–
ForecastBenchForecastBench63.4%†63.7%†
Coding
SWE-bench Verified (Epoch)Epoch AI Benchmarking Hub78.7%†72.1%†
WeirdMLWeirdML78.0%48.2%†
FrontierCodeCognition26.6%†–
GSO-BenchGSO-Bench41.2%–
Arena CodingArena (LMArena)15481498†
Show all 108 benchmarks
MetricPublisherClaude Opus 4.6 (high)GLM-5 (thinking)
Coding
Arena WebDevArena (LMArena)15461436†
LiveBench 1.0 CodingLiveBench78.2%–
LiveCodeBenchVals AI84.7%†81.9%
SWE-bench (Vals)Vals AI78.2%†71.4%
SWE-Bench ProScale AI SEAL51.9%†–
SWE-bench Verified (bash only)SWE-bench75.6%†72.8%†
SWE-bench Verified (any scaffold)SWE-bench75.6%†72.8%†
Vibe Code Bench v1.1Vals AI57.6%†23.4%
SWE-Bench Pro (private)Scale AI SEAL51.9%†–
SWE Atlas: Codebase QnAScale AI SEAL33.3%†20.5%†
SWE Atlas: RefactoringScale AI SEAL35.6%†24.2%†
SWE Atlas: Test WritingScale AI SEAL36.7%†28.7%†
ALE-BenchEpoch AI Benchmarking Hub996.5†765.6†
AlgoTuneAlgoTune1.5–
Agents & tools
Terminal-BenchTerminal-Bench79.8%†52.4%†
CybenchCybench93.0%†–
Remote Labor IndexScale AI / CAIS4.2%†–
APEX-AgentsMercor46.3%†–
LiveBench Agentic CodingLiveBench49.0%–
Terminal-Bench HardArtificial Analysis48.5%†43.2%
τ²-Bench Telecom (AA)Artificial Analysis84.8%†98.3%
MCP AtlasScale AI SEAL76.8%†–
HiL-BenchScale AI SEAL38.3%†–
τ²-benchτ²-bench–81.0%
τ³-bench Bankingτ²-bench27.3%†9.8%
APEX-Agents (AA)Artificial Analysis33.0%†14.4%
Terminal-Bench 2.0 (Vals)Vals AI58.4%†49.4%
DeepResearch BenchDeepResearch Bench55.3%–
METR Time HorizonsMETR78.9%†–
GBAEvalEpoch AI Benchmarking Hub44.1%†–
Vending-Bench 2Andon Labs8017.6†4432.1†
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub66.0%†–
FrontierMath Tier 4Epoch AI Benchmarking Hub26.8%†–
OTIS Mock AIMEEpoch AI Benchmarking Hub94.4%†80.0%†
ProofBenchVals AI50.0%†–
LiveBench MathematicsLiveBench89.3%–
AIME (Vals)Vals AI95.6%†91.7%
AIME 2026MathArena96.7%96.7%†
HMMT February 2026MathArena96.2%86.4%†
USAMO 2026MathArena47.0%35.1%†
MathArena ApexMathArena34.5%10.9%†
Arena MathsArena (LMArena)15171444†
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub47.0%†–
LiveBench 1.0 Data AnalysisLiveBench69.9%–
MMLU-ProVals AI89.1%†86.0%
LegalBenchVals AI85.3%†84.1%
CorpFinVals AI67.0%†62.9%
TaxEvalVals AI76.0%†70.0%
MedQAVals AI95.4%†94.3%
PRBench FinanceScale AI SEAL53.3%†–
PRBench LegalScale AI SEAL52.3%†–
MultiNRCScale AI SEAL48.3%†–
CaseLaw v2Vals AI62.1%†52.5%
MedCodeVals AI48.2%†–
MedScribeVals AI86.7%†–
DrugDiscoveryBenchScale AI SEAL27.7%†–
EBR-benchEpoch AI Benchmarking Hub12.7%†–
Global-MMLU-Lite (AA)Artificial Analysis92.2%†–
Instruction following
LiveBench LanguageLiveBench83.3%–
LiveBench Instruction FollowingLiveBench63.3%–
IFBenchArtificial Analysis44.6%†72.3%
MultiChallengeScale AI SEAL56.0%†–
TutorBenchScale AI SEAL53.5%†–
Arena Instruction FollowingArena (LMArena)15111447†
Human preference
Arena TextArena (LMArena)15031457†
EQ-Bench 4EQ-Bench1210†–
Arena Creative WritingArena (LMArena)14991448†
Arena Multi-turnArena (LMArena)15171471†
Arena Longer QueriesArena (LMArena)15211468†
Multimodal
Arena VisionArena (LMArena)1316–
MMMU-ProArtificial Analysis72.5%†–
VISTAScale AI SEAL45.5%†–
MMMU-Pro (Vals)Vals AI83.9%†–
MortgageTaxVals AI68.5%†–
VTBScale AI SEAL27.5%†–
Long context
AA-LCR v1.1Artificial Analysis67.0%†75.7%
Arena DocumentArena (LMArena)1495–
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub155.7†145.8†
LiveBench 1.0LiveBench74.5%–
AA Intelligence Index v4.3.2Artificial Analysis26.4†27.9
AA Progress Index v1Artificial Analysis274.5†280.9
Safety & honesty
FORTRESSScale AI SEAL20.5%†–
MASKScale AI SEAL96.3%†–

Data as of 2026-10-29. Best configuration of each model; every score links to its source on the model pages.

What changed

  • GLM-5 (thinking): BenchLeader Index 60.6 → 60.1.
  • GLM-5 (thinking): 1 new result (AA Progress Index v1); cached input price moved from $0.15/M to $0.20/M (34% up).
  • GLM-5 (thinking): cached input price moved from $0.20/M to $0.15/M (25% down).
  • GLM-5 (thinking): cached input price moved from $0.15/M to $0.20/M (34% up).
  • GLM-5 (thinking): cached input price moved from $0.20/M to $0.15/M (25% down).
  • GLM-5 (thinking): cached input price moved from $0.15/M to $0.20/M (34% up).
  • GLM-5 (thinking): cached input price moved from $0.20/M to $0.15/M (25% down).
  • Claude Opus 4.6 (high): 1 new result (USAMO 2026).
  • GLM-5 (thinking): 1 new result (τ³-bench Banking).
  • Claude Opus 4.6 (high): BenchLeader Index 61.3 → 63.0.

Rankings: Best LLM overall · Best LLM for agents · Best cheap LLMs

Claude Opus 4.6 vs GLM-5: questions

Is Claude Opus 4.6 better than GLM-5?
Claude Opus 4.6 (high) and GLM-5 (thinking) are neck and neck on quality (62.6 vs 60.2, within the ±4.3 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 29 Oct 2026, so check the category scores for your use.
Claude Opus 4.6 vs GLM-5: which is cheaper, and will that change?
GLM-5 is cheaper today: $1.55 against $10.00 per million tokens, blended at three input tokens per output token. No price change has been announced for either.
Is Claude Opus 4.6 or GLM-5 better for coding?
Claude Opus 4.6 scores higher in coding (63 vs 59 on the category index, where 50 is average).
Which is faster, Claude Opus 4.6 or GLM-5?
GLM-5 streams ~1.5× faster (69 vs 35 output tokens per second, Artificial Analysis 7-day median).
Which is better for long documents?
Claude Opus 4.6 accepts more context: 1,000,000 against 204,800 tokens for GLM-5.
More questions (2)
Which has lower latency?
Claude Opus 4.6 answers first: 1.2 s against 46.9 s to the first answer token, as Artificial Analysis measures it. Reasoning effort drives most of this: a higher setting thinks longer before it answers.
When was GLM-5 released?
GLM-5 was released on 11 Feb 2026.