Moonshot AI (Kimi) kimi-k2.6 VS OpenAI GPT-5.6 Sol
Decision Recommendation
⚖️ Editorial Verdict: In our analysis, GPT-5.6 Sol is the premium intelligence choice, scoring 6.0% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: kimi-k2.6 is 6.6x cheaper to run. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, kimi-k2.6 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of GPT-5.6 Sol fully justifies the cost.
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Model Specs
kimi-k2.6
Benchmarks & Scores
Coding (swe-bench-pro)
58.6%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)
90.5%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)6.6x cheaper
$1.71Input: $0.95 | Output: $4.00Context Window
262.14k tokensModel Specs
GPT-5.6 Sol
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+6.0%)
64.6%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)Winner (+4.1%)
94.6%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)
$11.25Input: $5.00 | Output: $30.00Context WindowLarger
1.05M tokensFrequently Asked Questions about kimi-k2.6 vs GPT-5.6 Sol comparison
kimi-k2.6 is cheaper than GPT-5.6 Sol. kimi-k2.6 has a blended cost of $1.71/1M tokens, which is about 6.6x cheaper than GPT-5.6 Sol at $11.25/1M tokens.
GPT-5.6 Sol is better for coding tasks on this benchmark. It scores 64.6% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to kimi-k2.6 which scores 58.6%.
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