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Claude 3.5 Haiku vs Grok-4 Heavy
Comprehensive side-by-side LLM comparison
Claude 3.5 Haiku leads with 5.0% higher average benchmark score. Grok-4 Heavy supports multimodal inputs. Claude 3.5 Haiku is available on 3 providers. Overall, Claude 3.5 Haiku is the stronger choice for coding tasks.
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Anthropic
Claude 3.5 Haiku is a language model developed by Anthropic. It achieves strong performance with an average score of 60.8% across 9 benchmarks. It excels particularly in HumanEval (88.1%), MGSM (85.6%), DROP (83.1%). It supports a 400K token context window for handling large documents. The model is available through 3 API providers. Released in 2024, it represents Anthropic's latest advancement in AI technology.
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xAI
Grok-4 Heavy is a multimodal language model developed by xAI. It achieves strong performance with an average score of 79.5% across 6 benchmarks. It excels particularly in AIME 2025 (100.0%), HMMT25 (96.7%), GPQA (88.4%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents xAI's latest advancement in AI technology.
8 months newer
Claude 3.5 Haiku
Anthropic
2024-10-22
Grok-4 Heavy
xAI
2025-07-09
Performance Metrics
Context window and performance specifications
Average performance across 14 common benchmarks
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Claude 3.5 Haiku
Average Score:39.1%(+5.0%)
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Grok-4 Heavy
Average Score:34.1%
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Knowledge Cutoff
Training data recency comparison
Grok-4 Heavy
2024-12-31
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 3.5 Haiku
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.3ms
Bedrock
Throughput: 104 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.5 Haiku
Avg Score:39.1%(+5.0%)
Providers:3
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Grok-4 Heavy
Avg Score:34.1%
Providers:0