+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-5 nano vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Kimi K2 0905 leads with 25.4% higher average benchmark score. GPT-5 nano offers 3.7K more tokens in context window than Kimi K2 0905. GPT-5 nano is $2.65 cheaper per million tokens. GPT-5 nano supports multimodal inputs. Overall, Kimi K2 0905 is the stronger choice for coding tasks.
+
+
+
+
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.
+
+
+
+
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.
29 days newer
GPT-5 nano
OpenAI
2025-08-07
Kimi K2 0905
Moonshot AI
2025-09-05
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
GPT-5 nano
Input:$0.05
Output:$0.40($2.65 cheaper)
+
+
+
+
Kimi K2 0905
Input:$0.60
Output:$2.50
Performance Metrics
Context window and performance specifications
Average performance across 10 common benchmarks
+
+
+
+
GPT-5 nano
Average Score:25.0%
+
+
+
+
Kimi K2 0905
Average Score:50.4%(+25.4%)
+
+
+
+
Knowledge Cutoff
Training data recency comparison
GPT-5 nano
2024-05-30
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT-5 nano
2 providers
OpenAI
Throughput: 500 tok/s
Latency: 0.3ms
ZeroEval
Throughput: 500 tok/s
Latency: 0.3ms
+
+
+
+
+
+
+
+
GPT-5 nano
Avg Score:25.0%
Providers:2
+
+
+
+
Kimi K2 0905
Avg Score:50.4%(+25.4%)
Providers:2