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GPT-5 vs Kimi K2 Instruct
Comprehensive side-by-side LLM comparison
GPT-5 leads with 19.3% higher average benchmark score. GPT-5 offers 265.9K more tokens in context window than Kimi K2 Instruct. Kimi K2 Instruct is $8.38 cheaper per million tokens. GPT-5 supports multimodal inputs. 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 was developed as the instruction-tuned version of Kimi K2, designed to follow user instructions reliably across diverse tasks. Built to serve general-purpose conversational and task-completion applications, it provides Moonshot's accessible interface for language AI.
27 days newer
Kimi K2 Instruct
Moonshot AI
2025-07-11
GPT-5
OpenAI
2025-08-07
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Pricing Comparison
Cost per million tokens (USD)
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GPT-5
Input:$1.25
Output:$10.00
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Kimi K2 Instruct
Input:$0.57
Output:$2.30($8.38 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 11 common benchmarks
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GPT-5
Average Score:80.7%(+19.3%)
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Kimi K2 Instruct
Average Score:61.4%
Performance comparison across key benchmark categories
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GPT-5
Coding74.9%(+3.3%)
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Kimi K2 Instruct
Coding71.6%
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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:80.7%(+19.3%)
Providers:2
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Kimi K2 Instruct
Avg Score:61.4%
Providers:1