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GLM-4.5 vs Grok Code Fast 1
Comprehensive side-by-side LLM comparison
Grok Code Fast 1 leads with 6.6% higher average benchmark score. Grok Code Fast 1 offers 3.9K more tokens in context window than GLM-4.5. Both models have similar pricing. GLM-4.5 is available on 3 providers. Overall, Grok Code Fast 1 is the stronger choice for coding tasks.
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Zhipu AI
GLM-4.5 was developed by Zhipu AI as an advanced bilingual language model, designed to excel at both Chinese and English language tasks. Built to serve diverse applications across multiple languages, it represents Zhipu AI's commitment to multilingual AI capabilities.
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xAI
Grok Code Fast was developed as a specialized coding model optimized for speed, designed to provide rapid code completion, generation, and assistance. Built to serve developers requiring quick feedback and iterative coding support, it combines programming expertise with low-latency responses.
1 month newer
GLM-4.5
Zhipu AI
2025-07-28
Grok Code Fast 1
xAI
2025-08-28
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Pricing Comparison
Cost per million tokens (USD)
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GLM-4.5
Input:$0.40
Output:$1.60
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Grok Code Fast 1
Input:$0.20
Output:$1.50($0.30 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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GLM-4.5
Average Score:64.2%
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Grok Code Fast 1
Average Score:70.8%(+6.6%)
Performance comparison across key benchmark categories
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GLM-4.5
Coding64.2%
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Grok Code Fast 1
Coding70.8%(+6.6%)
Provider Availability & Performance
Available providers and their performance metrics
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GLM-4.5
3 providers
DeepInfra
Novita
ZeroEval
Throughput: 85 tok/s
Latency: 0.7ms
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Grok Code Fast 1
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GLM-4.5
Avg Score:64.2%
Providers:3
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Grok Code Fast 1
Avg Score:70.8%(+6.6%)
Providers:1