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GPT-4.1 vs GPT-4.5
Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. GPT-4.1 offers 948.2K more tokens in context window than GPT-4.5. GPT-4.1 is $215.00 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-4.1 represents an iterative improvement in the GPT-4 series, developed to refine the foundational capabilities established by GPT-4. Built to incorporate learnings and optimizations from the deployment of previous versions, it continues the evolution of OpenAI's flagship model line with enhanced reliability and performance.
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OpenAI
GPT-4.5 was developed as an intermediate advancement between GPT-4 and GPT-5, designed to incorporate incremental improvements in reasoning, factuality, and instruction-following. Built to bridge generational capabilities while maintaining compatibility with existing applications, it represents a refinement of the GPT-4 architecture with enhanced performance characteristics.
1 month newer
GPT-4.5
OpenAI
2025-02-27
GPT-4.1
OpenAI
2025-04-14
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Pricing Comparison
Cost per million tokens (USD)
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GPT-4.1
Input:$2.00
Output:$8.00($215.00 cheaper)
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GPT-4.5
Input:$75.00
Output:$150.00
Performance Metrics
Context window and performance specifications
Average performance across 22 common benchmarks
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GPT-4.1
Average Score:64.0%(+0.3%)
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GPT-4.5
Average Score:63.7%
Performance comparison across key benchmark categories
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GPT-4.1
Coding54.6%(+16.6%)
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GPT-4.5
Coding38.0%
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Knowledge Cutoff
Training data recency comparison
GPT-4.1
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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GPT-4.1
1 providers
OpenAI
Throughput: 100 tok/s
Latency: 10ms
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GPT-4.5
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GPT-4.1
Avg Score:64.0%(+0.3%)
Providers:1
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GPT-4.5
Avg Score:63.7%
Providers:1