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AnthropicClaude Haiku 4.5VSMoonshot AI (Kimi)Kimi K2.7 Code

Analysis by:the whichllmmodel Editorial Team|Updated: June 2026

Our Take

We recommend Kimi K2.7 Code for superior overall value and reasoning capabilities, as it is cheaper or equal in cost while delivering peak intelligence. While Kimi K2.7 Code excels at complex complex codebases, multi-file repositories, and architectural planning, Claude Haiku 4.5 is suited for scripting multi-file code and clearly defined tasks. Choose Kimi K2.7 Code for architectural codebase planning, or Claude Haiku 4.5 if you specifically require its simpler functions profile.
▶WHY?
Benchmark Calculations & Evidence:
  • Coding Evaluation: Claude Haiku 4.5 was evaluated on SWE-bench Verified (scoring 73.3%), while Kimi K2.7 Code was evaluated on SWE-bench Pro (scoring 58.6%).
  • Reasoning Accuracy: Both models were evaluated on the GPQA Diamond benchmark. Kimi K2.7 Code scored 90%, while Claude Haiku 4.5 scored 73%.
  • Cost Efficiency: Claude Haiku 4.5 pricing ($1/M input, $5/M output) is 0.9x cheaper than Kimi K2.7 Code ($0.95/M input, $4/M output).
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    Model Specs

    Claude Haiku 4.5

    Website

    Benchmarks & Scores

    Coding (swe-bench-verified)
    73.3%

    multi-file code and clearly defined tasks

    Reasoning (gpqa-diamond)
    73%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)
    $2.00Input: $1.00 | Output: $5.00
    Context Window
    200k tokens
    Model Specs

    Kimi K2.7 Code

    Open SourceAPI Available
    Website🤗HF

    Benchmarks & Scores

    Coding (swe-bench-pro)
    58.6%

    complex codebases, multi-file repositories, and architectural planning

    Reasoning (gpqa-diamond)Winner (+17.0%)
    90%

    graduate-level science QA

    Cost & Context

    Cost (per 1M tokens)1.2x cheaper
    $1.71Input: $0.95 | Output: $4.00
    Context WindowLarger
    262.14k tokens
    Read our data collection methodology

    Frequently Asked Questions about Claude Haiku 4.5 vs Kimi K2.7 Code

    Kimi K2.7 Code is cheaper than Claude Haiku 4.5. Kimi K2.7 Code has a blended cost of $1.71/1M tokens, which is about 1.2x cheaper than Claude Haiku 4.5 at $2.00/1M tokens.

    For coding tasks, Claude Haiku 4.5 scores 73.3% on swe-bench-verified (multi-file code and clearly defined tasks), while Kimi K2.7 Code scores 58.6% on swe-bench-pro (complex codebases, multi-file repositories, and architectural planning).

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