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Claude 3 Haiku vs Grok 4 Fast
Comprehensive side-by-side LLM comparison
Grok 4 Fast leads with 52.4% higher average benchmark score. Grok 4 Fast offers 1.6M more tokens in context window than Claude 3 Haiku. Grok 4 Fast is $0.80 cheaper per million tokens. Claude 3 Haiku is available on 3 providers. Overall, Grok 4 Fast is the stronger choice for coding tasks.
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Anthropic
Claude 3 Haiku was created as the fastest and most affordable model in its intelligence class, processing 21K tokens per second for prompts under 32K tokens. Built for enterprise workloads requiring quick analysis of large datasets, it combines state-of-the-art vision capabilities with strong performance on industry benchmarks while prioritizing speed, affordability, and enterprise-grade security.
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xAI
Grok 4 Fast is a multimodal language model developed by xAI. It achieves strong performance with an average score of 73.0% across 7 benchmarks. It excels particularly in SimpleQA (95.0%), HMMT 2025 (93.3%), AIME 2025 (92.0%). With a 2.0M token context window, it can handle extensive documents and complex multi-turn conversations. The model is available through 1 API provider. 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.
1 year newer
Claude 3 Haiku
Anthropic
2024-03-13
Grok 4 Fast
xAI
2025-08-28
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Pricing Comparison
Cost per million tokens (USD)
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Claude 3 Haiku
Input:$0.25
Output:$1.25
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Grok 4 Fast
Input:$0.20
Output:$0.50($0.80 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude 3 Haiku
Average Score:33.3%
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Grok 4 Fast
Average Score:85.7%(+52.4%)
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3 Haiku
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.5ms
Bedrock
Throughput: 104 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3 Haiku
Avg Score:33.3%
Providers:3
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Grok 4 Fast
Avg Score:85.7%(+52.4%)
Providers:1