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Anthropic

Claude Sonnet 4.6

VS
Z.ai (Zhipu AI)

GLM-4.5

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

📊 Editorial Verdict: Claude Sonnet 4.6 and GLM-4.5 offer nearly identical benchmark scores. However, GLM-4.5 offers a key advantage by being 6.0x cheaper ($1.00 vs $6.00 per 1M tokens). If you need real-time responsiveness, compare their generation speeds below to select the engine that best aligns with your application's user experience requirements.

Model Specs

Claude Sonnet 4.6

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)
79.9%

Cost & Performance

Cost (per 1M tokens)
$6.00Input: $3.00 | Output: $15.00
Speed
54.3 tps
Context WindowLarger
1M tokens
Model Specs

GLM-4.5

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)
79.9%

Cost & Performance

Cost (per 1M tokens)6.0x cheaper
$1.00Input: $0.60 | Output: $2.20
Speed
N/A
Context Window
131.07k tokens
Read our data collection methodology

Frequently Asked Questions

GLM-4.5 is cheaper than Claude Sonnet 4.6. GLM-4.5 has a blended cost of $1.00/1M tokens, which is about 6.0x cheaper than Claude Sonnet 4.6 at $6.00/1M tokens.

Speed data is not available for GLM-4.5, while Claude Sonnet 4.6 generates 54.3 tokens per second.

Coding benchmark scores are not currently recorded for these models.

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