AnthropicClaude Opus 5VSMoonshot AI (Kimi)Kimi K3
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Claude Opus 5 and Kimi K3 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)
79.2%complex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+0.2%)
93.7%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$10.00Input: $5.00 | Output: $25.00Context WindowLarger
1.05M tokensBenchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
93.5%graduate-level science QA
Cost & Context
Cost (per 1M tokens)5.8x cheaper
$1.71Input: $0.95 | Output: $4.00Context Window
262.14k tokensFrequently Asked Questions about Claude Opus 5 vs Kimi K3
Kimi K3 is cheaper than Claude Opus 5. Kimi K3 has a blended cost of $1.71/1M tokens, which is about 5.8x cheaper than Claude Opus 5 at $10.00/1M tokens.
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