picksbymodel Get API access →
head-to-head

MoonshotAI: Kimi K2.6 vs OpenAI: GPT-5.4 Nano

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-20.

MoonshotAI: Kimi K2.6 OpenAI: GPT-5.4 Nano
Vendormoonshotaiopenai
Quality Score100100
Benchmark Score77.468.0
Input Price$0.67/M$0.20/M
Output Price$3.50/M$1.25/M
Context Window262,144400,000
Max Output262,144128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index70.763.1
ai_index_agentic49.945.4
ai_index_coding92.492.5
eqbench76.6-

Who wins by task?

TaskMoonshotAI: Kimi K2.6OpenAI: GPT-5.4 Nano
SQL Generation 167 163
Code Review 164 158
Code Completion 132 133
Code Refactoring 160 157
Bug Fixing 174 168
Unit Test Generation 152 148
Code Documentation 141 140
Regex Writing 136 132
CI/CD Pipelines 142 139
Frontend Component Design 145 141
Data Analysis 165 159
CSV / Spreadsheet Cleanup 150 151
ETL Scripting 151 148
JSON Extraction 146 146
Bulk Data Labeling 133 134
Long-Document Summarization 157 154
Short-Form Summarization 131 130
Blog Post Writing 139 135

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

Related comparisons

MoonshotAI: Kimi K2.7 Code vs MoonshotAI: Kimi K2.6 MoonshotAI: Kimi K2.7 Code vs OpenAI: GPT-5.4 Nano Qwen: Qwen3.7 Plus vs MoonshotAI: Kimi K2.6 Qwen: Qwen3.7 Plus vs OpenAI: GPT-5.4 Nano MiniMax: MiniMax M3 vs MoonshotAI: Kimi K2.6 MiniMax: MiniMax M3 vs OpenAI: GPT-5.4 Nano StepFun: Step 3.7 Flash vs MoonshotAI: Kimi K2.6 StepFun: Step 3.7 Flash vs OpenAI: GPT-5.4 Nano