Claude 4 Opus (Extended Thinking) Compare Kimi K2
Claude 4 Opus (Extended Thinking)vsKimi K2
Comparing Claude 4 Opus (Extended Thinking) and Kimi K2, which one is better? We will compare Claude 4 Opus (Extended Thinking) and Kimi K2, including model features, token pricing, API costs, performance benchmarks, and actual capabilities to help you choose the LLM that suits your needs
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Claude 4 Opus (Extended Thinking)
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Kimi K2

Claude 4 Opus (Extended Thinking)
Anthropic's most advanced frontier reasoning model with extended thinking capabilities, displaying detailed thought processes. Achieves 72.5% on SWE-bench (79.4% with parallel compute), 90% on AIME 2025 mathematics. Supports tool use during thinking process, considered world's best coding model. Suitable for professional applications requiring complex reasoning and high-quality code generation.

Kimi K2
Kimi K2 is an open-source large language model with 1T parameters and an MoE architecture released by Moonshot AI. It specializes in code generation, mathematical reasoning, and Agent tool invocation capabilities, and supports a 128K context.
Basic ParametersCompare
PricingCompare
Input and output token cost comparison
Benchmark ScoresCompare
Performance metrics from various standardized tests and evaluations