LLM Comparison

Kimi K2.5 vs GPT-5.4

Side-by-side specs, pricing & capabilities · Updated April 2026

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2/6 models
Same tier:
 
K
Kimi K2.5
OpenAIGPT-5.4
OrganizationMoonshot AIOpenAIOpenAI
OpenTools Score
FamilyKimiGPT
StatusCurrentCurrent
Release DateJan 2026Mar 2026
Context Window262K tokens1.1M tokens
Input Price$0.38/M tokens$2.50/M tokens
Output Price$1.72/M tokens$15.00/M tokens
Pricing NotesCache read: $0.1913/M tokensCache read: $0.2500/M tokens
Capabilities
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Max Output66K tokens128K tokens
API Identifiermoonshotai/kimi-k2.5openai/gpt-5.4
 View Kimi K2.5View GPT-5.4

Cost Calculator

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ModelInputOutputTotal / movs Best
Kimi K2.5Cheapest$0.38$0.86$1.24
GPT-5.4$2.50$7.50$10.00+705%

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