WeavePrism

Claude Sonnet 4.5 vs GLM-4.6

GLM-4.6 costs 83% less at typical usage ($1.00 vs $6.00 per 1M tokens). Claude Sonnet 4.5 scores higher on 11 of 11 tasks.

SpecClaude Sonnet 4.5GLM-4.6
Input /1M$3.00$0.60
Output /1M$15.0$2.20
Typical /1M$6.00$1.00
Context window200k200k
SpeedBriskBrisk
PrivacyStrongSelf-host
Open weightsNoYes
Claude Sonnet 4.5
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)
GLM-4.6
Steady since we started tracking (Jul 13, 2026)
Steady since we started tracking (Jul 13, 2026)

Quality by task

Coding95/88
Agents95/86
Reasoning93/86
Writing93/83
Chat91/84
Classify88/83
Extract90/84
Summarize92/85
Translate88/85
Vision90/30
General93/84

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Prices are list $/1M tokens, hand-maintained from public provider pricing. Task scores are benchmark-informed 0-100 estimates, not gospel — validate on your own evals before moving production traffic. Not affiliated with any model provider.