+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-4.1 nano vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
GPT-4.1 nano leads with 12.5% higher average benchmark score. GPT-4.1 nano offers 556.1K more tokens in context window than Kimi K2 0905. GPT-4.1 nano is $2.60 cheaper per million tokens. GPT-4.1 nano supports multimodal inputs. Overall, GPT-4.1 nano is the stronger choice for coding tasks.
+
+
+
+
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.
+
+
+
+
Moonshot AI
Kimi K2 0905 is a language model developed by Moonshot AI. This model demonstrates exceptional performance with an average score of 84.0% across 6 benchmarks. It excels particularly in HumanEval (94.5%), MMLU (90.2%), MATH (89.1%). It supports a 524K token context window for handling large documents. The model is available through 2 API providers. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.
4 months newer
GPT-4.1 nano
OpenAI
2025-04-14
Kimi K2 0905
Moonshot AI
2025-09-05
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
GPT-4.1 nano
Input:$0.10
Output:$0.40($2.60 cheaper)
+
+
+
+
Kimi K2 0905
Input:$0.60
Output:$2.50
Performance Metrics
Context window and performance specifications
Average performance across 28 common benchmarks
+
+
+
+
GPT-4.1 nano
Average Score:30.5%(+12.5%)
+
+
+
+
Kimi K2 0905
Average Score:18.0%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
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
+
+
+
+
GPT-4.1 nano
1 providers
OpenAI
Throughput: 200 tok/s
Latency: 2ms
+
+
+
+
Kimi K2 0905
+
+
+
+
GPT-4.1 nano
Avg Score:30.5%(+12.5%)
Providers:1
+
+
+
+
Kimi K2 0905
Avg Score:18.0%
Providers:2