MoonshotAI: Kimi Dev 72B

Text input Text output Free Option
Author's Description

Kimi-Dev-72B is an open-source large language model fine-tuned for software engineering and issue resolution tasks. Based on Qwen2.5-72B, it is optimized using large-scale reinforcement learning that applies code patches in real repositories and validates them via full test suite execution—rewarding only correct, robust completions. The model achieves 60.4% on SWE-bench Verified, setting a new benchmark among open-source models for software bug fixing and code reasoning.

Key Specifications
Cost
$$$$$
Context
131K
Parameters
72B
Released
Jun 16, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Top P Response Format Frequency Penalty Reasoning Include Reasoning Temperature
Features

This model supports the following features:

Response Format Reasoning
Performance Summary

MoonshotAI: Kimi Dev 72B demonstrates exceptional performance in terms of speed and cost-efficiency, consistently ranking among the fastest and most competitively priced models across various benchmarks. Its reliability is strong, achieving a 90% success rate, indicating consistent operational stability. Designed for software engineering and issue resolution, the model shows particular strength in classification tasks, achieving 99.0% accuracy in Email Classification, and strong general knowledge with 99.0% accuracy. Its core strength in code reasoning is underscored by its 60.4% on SWE-bench Verified, setting a new open-source benchmark. However, the model exhibits a significant weakness in Instruction Following, scoring 0.0% accuracy, suggesting a need for improvement in handling complex, multi-step directives. Its performance in Ethics and Reasoning benchmarks is moderate, with 93.0% and 55.1% accuracy respectively, indicating areas for further refinement. Despite these areas for growth, Kimi Dev 72B stands out as a highly performant and cost-effective solution, particularly for its specialized domain.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.29
Completion $1.15

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
SiliconFlow
SiliconFlow | moonshotai/kimi-dev-72b 131K $0.29 / 1M tokens $1.15 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Free Executions Accuracy Cost Duration
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