Claude Sonnet 4.5 vs GLM-4.6
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Claude Sonnet 4.5 by Anthropic wins on 6 of 9 benchmarks against GLM-4.6 by Zhipu AI, which leads on 3. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Coding: In coding, Claude Sonnet 4.5 scores 52.1 on AA Coding Index compared to GLM-4.6's 45.8, while Claude Sonnet 4.5 scores 1184 on Design Arena ELO compared to GLM-4.6's 1167, while Claude Sonnet 4.5 scores 1202 on Website Arena ELO compared to GLM-4.6's 1186.
Reasoning: In reasoning, Claude Sonnet 4.5 scores 82.5% on GPQA Diamond compared to GLM-4.6's 78.6%, while Claude Sonnet 4.5 scores 73.0% on τ²-Bench Airline compared to GLM-4.6's 65.6%.
Context: In context, Claude Sonnet 4.5 scores 1.0M on Context Length compared to GLM-4.6's 205K.
Pricing Comparison
Claude Sonnet 4.5 costs $3.0/1M input tokens and $15.0/1M output tokens, while GLM-4.6 costs $0.43/1M input and $1.8/1M output. GLM-4.6 is the more affordable option for API usage.
Verdict
GLM-4.6 leads across the board in affordability, making it the stronger overall choice in this comparison.
View Individual Model Pages
Claude Sonnet 4.5 vs GLM-4.6 — FAQ
Which is better, Claude Sonnet 4.5 or GLM-4.6?
Claude Sonnet 4.5 wins on more benchmarks overall (6 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude Sonnet 4.5 compare to GLM-4.6 for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is Claude Sonnet 4.5 cheaper than GLM-4.6?
Yes, GLM-4.6 is cheaper. Claude Sonnet 4.5 costs $3.0/1M input and $15.0/1M output tokens. GLM-4.6 costs $0.43/1M input and $1.8/1M output tokens.
Which is faster, Claude Sonnet 4.5 or GLM-4.6?
Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.
What benchmarks does the Claude Sonnet 4.5 vs GLM-4.6 comparison cover?
This comparison covers 9 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, AA Coding Index, Cached Input Cost, Design Arena ELO, τ²-Bench Airline, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.