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Grok Code Fast 1 vs Phi 4
Comprehensive side-by-side LLM comparison
Phi 4 leads with 56.3% higher average benchmark score. Grok Code Fast 1 offers 234.0K more tokens in context window than Phi 4. Phi 4 is $1.49 cheaper per million tokens. Overall, Phi 4 is the stronger choice for coding tasks.
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xAI
Grok Code Fast 1 is a language model developed by xAI. It achieves strong performance with an average score of 70.8% across 1 benchmarks. Notable strengths include SWE-Bench Verified (70.8%). It supports a 266K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents xAI's latest advancement in AI technology.
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Microsoft
Phi 4 is a language model developed by Microsoft. It achieves strong performance with an average score of 66.0% across 13 benchmarks. It excels particularly in MMLU (84.8%), HumanEval+ (82.8%), HumanEval (82.6%). The model is available through 1 API provider. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2024, it represents Microsoft's latest advancement in AI technology.
8 months newer
Phi 4
Microsoft
2024-12-12
Grok Code Fast 1
xAI
2025-08-28
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Pricing Comparison
Cost per million tokens (USD)
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Grok Code Fast 1
Input:$0.20
Output:$1.50
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Phi 4
Input:$0.07
Output:$0.14($1.49 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 14 common benchmarks
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Grok Code Fast 1
Average Score:5.1%
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Phi 4
Average Score:61.3%(+56.3%)
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Knowledge Cutoff
Training data recency comparison
Phi 4
2024-06-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Grok Code Fast 1
1 providers
xAI
Throughput: 76.41 tok/s
Latency: 1.38ms
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Phi 4
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Grok Code Fast 1
Avg Score:5.1%
Providers:1
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Phi 4
Avg Score:61.3%(+56.3%)
Providers:1