Model comparison

Claude Opus 5 vs GLM-4.7-Flash

Claude Opus 5 is the stronger model overall, scoring 67.7 to 38.4 on the Noometry Index. GLM-4.7-Flash costs 69× less per token, which makes it the better buy when Claude Opus 5's lead doesn't matter for your workload.

Last verified . 20 shared benchmarks.

Claude Opus 5 Anthropic

67.7

Rank #4 Confirmed

GLM-4.7-Flash Z.ai (Zhipu)

38.4

Rank #175 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Claude Opus 5 scores higher in 8 categories and GLM-4.7-Flash in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5 leads 77.1 to 20.2.
  • The biggest single-benchmark swing is Chess Puzzles: 42% for Claude Opus 5 and 0% for GLM-4.7-Flash.
  • GLM-4.7-Flash is cheaper at $0.06 / $0.40 per million input/output tokens, against $5 / $25 for Claude Opus 5.
  • Claude Opus 5 accepts more context: 1M tokens versus 200K.
  • GLM-4.7-Flash has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5 and GLM-4.7-Flash specifications
Claude Opus 5GLM-4.7-Flash
ProviderAnthropicZ.ai (Zhipu)
Noometry Index67.738.4
Released2026-07-242026-01-19
WeightsProprietaryOpen
Context window1M200K
Max output128K131K
Input $ / M tokens$5$0.06
Output $ / M tokens$25$0.40
Results tracked5721

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Category by category

Coding Claude Opus 5 leads

Claude Opus 5: 67.0 (#5), GLM-4.7-Flash: 40.0 (#133)

Coding benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
LMArena Coding15331383
DeepSWE73.6%—
FrontierCode53.4%—
CursorBench46.6%—
LMArena WebDev1694—
FrontierSWE52%—
SciCode56.4%—
WeirdML91.8%—
ALE-Bench2,165—

Agentic & Tool Use Not comparable

Claude Opus 5: 55.5 (#1), GLM-4.7-Flash: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
APEX-Agents65.8%—
OSWorld 2.031.4%—
τ²-bench Banking48.7%—
PostTrainBench35%—
BALROG63.4%—
GBAEval79.6%—
GDP.pdf24%—
Vending-Bench 211,182—

Reasoning Claude Opus 5 leads

Claude Opus 5: 77.1 (#3), GLM-4.7-Flash: 20.2 (#224)

Reasoning benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
Chess Puzzles42%0%
LMArena Hard Prompts15251356
ARC-AGI-290.4%—
SimpleBench80.6%—
NYT Connections (extended)94.3%—
ARC-AGI-197.5%—
CritPt29.1%—
EBR-Bench45.7%—
Mystery Game Puzzles59%—
DTBench97.9%—
LMCA64.5%—
Bench to the Future 30.12—
Epoch Capabilities Index162.67—

Math Claude Opus 5 leads

Claude Opus 5: 86.1 (#6), GLM-4.7-Flash: 34.4 (#159)

Math benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
OTIS Mock AIME 2024-202598.9%58.3%
LMArena Math15331354
FrontierMath (Tiers 1-3)85.6%—
FrontierMath Tier 473.2%—
ProofBench99%—

Knowledge Claude Opus 5 leads

Claude Opus 5: 66.8 (#8), GLM-4.7-Flash: 35.4 (#177)

Knowledge benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
GPQA Diamond93.9%60.5%
LMArena Expert15581357
SimpleQA Verified59.9%—
Vectara Hallucination Rate—9.3%

Multimodal Not comparable

Claude Opus 5: 51.1 (#6), GLM-4.7-Flash: —

Multimodal benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
LMArena Vision1321—
Blueprint-Bench 230.4%—
Furniture Assembly60.8%—
LMArena Document1516—

Multilingual Claude Opus 5 leads

Claude Opus 5: 58.8 (#3), GLM-4.7-Flash: 46.8 (#152)

Multilingual benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
LMArena Non-English15001331
LMArena Chinese15751403
LMArena French15221332
LMArena German15221336
LMArena Korean15261284
LMArena Russian15071333
LMArena Spanish15191351
LMArena Japanese1510—

Instruction Following Claude Opus 5 leads

Claude Opus 5: 79.3 (#5), GLM-4.7-Flash: 70.3 (#162)

Instruction Following benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
LMArena Instruction Following15161327

Long Context Claude Opus 5 leads

Claude Opus 5: 46.5 (#20), GLM-4.7-Flash: 40.9 (#143)

Long Context benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
LMArena Longer Query15161345

Writing & Preference Claude Opus 5 leads

Claude Opus 5: 79.3 (#2), GLM-4.7-Flash: 47.7 (#206)

Writing & Preference benchmarks
BenchmarkClaude Opus 5GLM-4.7-Flash
LMArena Text15061351
LMArena Creative Writing14911297
EQ-Bench Creative Writing21331125
LMArena Multi-Turn14961342
EQ-Bench 41385—

Frequently asked questions

Is Claude Opus 5 better than GLM-4.7-Flash?

Claude Opus 5 is the stronger model overall, scoring 67.7 to 38.4 on the Noometry Index. GLM-4.7-Flash costs 69× less per token, which makes it the better buy when Claude Opus 5's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 5 or GLM-4.7-Flash?

GLM-4.7-Flash is cheaper. It lists at $0.06 per million input tokens and $0.40 per million output tokens; Claude Opus 5 lists at $5 and $25.

Is Claude Opus 5 or GLM-4.7-Flash better for coding?

Claude Opus 5 scores higher on coding benchmarks: 67.0 versus 40.0 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 5 does, with 1M tokens against 200K.

How many benchmarks do Claude Opus 5 and GLM-4.7-Flash share?

20 benchmarks have published results for both models. Claude Opus 5 has 57 scored results on Noometry and GLM-4.7-Flash has 21.

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