Noometry

Model comparison

Claude Sonnet 5 vs GLM-4.6V

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 41.3 on the Noometry Index. GLM-4.6V costs 8.9× less per token, which makes it the better buy when Claude Sonnet 5's lead doesn't matter for your workload.

Last verified . 12 shared benchmarks.

Claude Sonnet 5 Anthropic

54.6

Rank #29 Confirmed

GLM-4.6V Z.ai (Zhipu)

41.3

Rank #137 Confirmed

Summary

  • They share 12 benchmarks with published results for both. Claude Sonnet 5 scores higher in 8 categories and GLM-4.6V in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Sonnet 5 leads 49.1 to 27.6.
  • GLM-4.6V is cheaper at $0.30 / $0.90 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
  • Claude Sonnet 5 accepts more context: 1M tokens versus 128K.
  • GLM-4.6V has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5GLM-4.6V
ProviderAnthropicZ.ai (Zhipu)
Noometry Index54.641.3
Released2026-06-292025-12-08
WeightsProprietaryOpen
Context window1M128K
Max output128K33K
Input $ / M tokens$2$0.30
Output $ / M tokens$10$0.90
Results tracked5112

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#26), GLM-4.6V: 40.9 (#128)

BenchmarkClaude Sonnet 5GLM-4.6V
LMArena Coding14831390
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1541—
SciCode54.3%—
GSO37.3%—
WeirdML68.8%—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.8 (#18), GLM-4.6V: —

BenchmarkClaude Sonnet 5GLM-4.6V
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 49.1 (#39), GLM-4.6V: 27.6 (#115)

BenchmarkClaude Sonnet 5GLM-4.6V
LMArena Hard Prompts14611368
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
Mystery Game Puzzles35%—
DTBench92.5%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
Epoch Capabilities Index156.21—
ForecastBench61.1—

Math Not comparable

Claude Sonnet 5: 66.2 (#27), GLM-4.6V: —

BenchmarkClaude Sonnet 5GLM-4.6V
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—
LMArena Math1467—

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.6 (#47), GLM-4.6V: 38.0 (#149)

BenchmarkClaude Sonnet 5GLM-4.6V
LMArena Expert14901371
GPQA Diamond90.5%—
SimpleQA Verified33.7%—

Multimodal Claude Sonnet 5 leads

Claude Sonnet 5: 42.4 (#31), GLM-4.6V: 34.8 (#90)

BenchmarkClaude Sonnet 5GLM-4.6V
LMArena Vision12741164
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 53.8 (#55), GLM-4.6V: 48.6 (#141)

BenchmarkClaude Sonnet 5GLM-4.6V
LMArena Non-English14311359
LMArena Chinese14771425
LMArena Russian14511340
LMArena French1460—
LMArena German1440—
LMArena Japanese1422—
LMArena Korean1411—
LMArena Spanish1437—

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.3 (#41), GLM-4.6V: 71.4 (#151)

BenchmarkClaude Sonnet 5GLM-4.6V
LMArena Instruction Following14521352

Long Context Claude Sonnet 5 leads

Claude Sonnet 5: 44.8 (#55), GLM-4.6V: 41.3 (#143)

BenchmarkClaude Sonnet 5GLM-4.6V
LMArena Longer Query14631358

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.2 (#25), GLM-4.6V: 56.6 (#137)

BenchmarkClaude Sonnet 5GLM-4.6V
LMArena Text14421377
LMArena Creative Writing14161347
LMArena Multi-Turn14541360
EQ-Bench Creative Writing1794—
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than GLM-4.6V?

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 41.3 on the Noometry Index. GLM-4.6V costs 8.9× less per token, which makes it the better buy when Claude Sonnet 5's lead doesn't matter for your workload.

Which is cheaper, Claude Sonnet 5 or GLM-4.6V?

GLM-4.6V is cheaper. It lists at $0.30 per million input tokens and $0.90 per million output tokens; Claude Sonnet 5 lists at $2 and $10.

Is Claude Sonnet 5 or GLM-4.6V better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 40.9 in the Noometry coding category.

Which has the bigger context window?

Claude Sonnet 5 does, with 1M tokens against 128K.

How many benchmarks do Claude Sonnet 5 and GLM-4.6V share?

12 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and GLM-4.6V has 12.

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