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GPT-5 vs Kimi K2-Instruct-0905
Comprehensive side-by-side LLM comparison
GPT-5 leads with 22.0% higher average benchmark score. GPT-5 supports multimodal inputs. GPT-5 is available on 2 providers. Overall, GPT-5 is the stronger choice for coding tasks.
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OpenAI
GPT-5 represents the next generation of OpenAI's foundational models, developed to advance the frontier of AI capabilities in reasoning, knowledge, and general intelligence. Built to push beyond the limitations of GPT-4, it incorporates architectural and training improvements designed to enhance performance across diverse tasks and domains.
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Moonshot AI
Kimi K2 Instruct-0905 represents a specific release iteration of the K2 Instruct model, developed to incorporate refinements and improvements. Built to provide enhanced instruction-following based on deployment feedback, it continues the evolution of Moonshot's instruction-tuned offerings.
29 days newer
GPT-5
OpenAI
2025-08-07
Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
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Performance Metrics
Context window and performance specifications
Average performance across 9 common benchmarks
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GPT-5
Average Score:85.5%(+22.0%)
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Kimi K2-Instruct-0905
Average Score:63.5%
Performance comparison across key benchmark categories
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GPT-5
Coding74.9%(+9.1%)
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Kimi K2-Instruct-0905
Coding65.8%
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Knowledge Cutoff
Training data recency comparison
GPT-5
2024-09-30
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
2 providers
OpenAI
Throughput: 100 tok/s
Latency: 2ms
ZeroEval
Throughput: 100 tok/s
Latency: 2ms
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GPT-5
Avg Score:85.5%(+22.0%)
Providers:2
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Kimi K2-Instruct-0905
Avg Score:63.5%
Providers:0