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Claude Haiku 4.5 vs Grok Code Fast 1
Comprehensive side-by-side LLM comparison
Claude Haiku 4.5 leads with 2.5% higher average benchmark score. Claude Haiku 4.5 offers 134.0K more tokens in context window than Grok Code Fast 1. Grok Code Fast 1 is $4.30 cheaper per million tokens. Claude Haiku 4.5 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Haiku 4.5 continues Anthropic's tradition of fast, efficient models in the fourth generation Claude family. Designed to maintain the hallmark speed and cost-effectiveness of the Haiku line while incorporating advancements from the Claude 4 series, it serves applications requiring rapid processing and quick turnaround times.
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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
Grok Code Fast 1
xAI
2025-08-28
Claude Haiku 4.5
Anthropic
2025-10-15
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Pricing Comparison
Cost per million tokens (USD)
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Claude Haiku 4.5
Input:$1.00
Output:$5.00
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Grok Code Fast 1
Input:$0.20
Output:$1.50($4.30 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Haiku 4.5
Average Score:73.3%(+2.5%)
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Grok Code Fast 1
Average Score:70.8%
Performance comparison across key benchmark categories
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Claude Haiku 4.5
Coding73.3%(+2.5%)
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Grok Code Fast 1
Coding70.8%
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Knowledge Cutoff
Training data recency comparison
Claude Haiku 4.5
2025-02-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Haiku 4.5
1 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.3ms
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Grok Code Fast 1
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Claude Haiku 4.5
Avg Score:73.3%(+2.5%)
Providers:1
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Grok Code Fast 1
Avg Score:70.8%
Providers:1