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GPT-5 mini vs Kimi K2 0905
Comprehensive side-by-side LLM comparison
Kimi K2 0905 leads with 20.4% higher average benchmark score. GPT-5 mini offers 3.7K more tokens in context window than Kimi K2 0905. GPT-5 mini is $0.85 cheaper per million tokens. GPT-5 mini supports multimodal inputs. Overall, Kimi K2 0905 is the stronger choice for coding tasks.
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OpenAI
GPT-5 mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 60.0% across 5 benchmarks. It excels particularly in AIME 2025 (91.1%), HMMT 2025 (87.8%), GPQA (82.3%). 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.
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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 mini
OpenAI
2025-08-07
Kimi K2 0905
Moonshot AI
2025-09-05
Pricing Comparison
Cost per million tokens (USD)
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GPT-5 mini
Input:$0.25
Output:$2.00($0.85 cheaper)
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Kimi K2 0905
Input:$0.60
Output:$2.50
Performance Metrics
Context window and performance specifications
Average performance across 10 common benchmarks
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GPT-5 mini
Average Score:30.0%
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Kimi K2 0905
Average Score:50.4%(+20.4%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 mini
2024-05-30
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-5 mini
2 providers
OpenAI
Throughput: 200 tok/s
Latency: 1ms
ZeroEval
Throughput: 200 tok/s
Latency: 1ms
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GPT-5 mini
Avg Score:30.0%
Providers:2
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Kimi K2 0905
Avg Score:50.4%(+20.4%)
Providers:2