Moonshot AI (Kimi)kimi-k2.5VSOpenAIGPT-5.4 Pro
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing kimi-k2.5 and GPT-5.4 Pro directly in their respective provider playgrounds to see which fits your specific prompt styles best.
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Benchmarks & Scores
Coding (swe-bench-pro)
50.7%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+20.0%)
87.6%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$1.20Input: $0.60 | Output: $3.00Context Window
262.14k tokensBenchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
67.6%graduate-level science QA
Cost & Context
Cost (per 1M tokens)8.7x cheaper
$0.14Input: $0.05 | Output: $0.40Context WindowLarger
400k tokensFrequently Asked Questions about kimi-k2.5 vs GPT-5.4 Pro
GPT-5.4 Pro is cheaper than kimi-k2.5. GPT-5.4 Pro has a blended cost of $0.14/1M tokens, which is about 8.7x cheaper than kimi-k2.5 at $1.20/1M tokens.
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