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GPT-4.1 nano vs GPT-5 nano
Comprehensive side-by-side LLM comparison
GPT-4.1 nano leads with 20.8% higher average benchmark score. GPT-4.1 nano offers 552.3K more tokens in context window than GPT-5 nano. Both models have similar pricing. Overall, GPT-4.1 nano is the stronger choice for coding tasks.
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OpenAI
GPT-4.1 nano is a multimodal language model developed by OpenAI. The model shows competitive results across 25 benchmarks. It excels particularly in MMLU (80.1%), IFEval (74.5%), CharXiv-D (73.9%). With a 1.1M 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 OpenAI's latest advancement in AI technology.
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OpenAI
GPT-5 nano is a multimodal language model developed by OpenAI. The model shows competitive results across 5 benchmarks. It excels particularly in AIME 2025 (85.2%), HMMT 2025 (75.6%), GPQA (71.2%). It supports a 528K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
3 months newer
GPT-4.1 nano
OpenAI
2025-04-14
GPT-5 nano
OpenAI
2025-08-07
Pricing Comparison
Cost per million tokens (USD)
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GPT-4.1 nano
Input:$0.10
Output:$0.40
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GPT-5 nano
Input:$0.05
Output:$0.40($0.05 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 29 common benchmarks
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GPT-4.1 nano
Average Score:29.5%(+20.8%)
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GPT-5 nano
Average Score:8.6%
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Knowledge Cutoff
Training data recency comparison
GPT-5 nano
2024-05-30
GPT-4.1 nano
2024-05-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-4.1 nano
1 providers
OpenAI
Throughput: 200 tok/s
Latency: 2ms
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GPT-5 nano
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GPT-4.1 nano
Avg Score:29.5%(+20.8%)
Providers:1
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GPT-5 nano
Avg Score:8.6%
Providers:2