LLM Comparison

GPT-5.4 Mini vs Kimi K2.5

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

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2/6 models
Same tier:
 OpenAIGPT-5.4 Mini
K
Kimi K2.5
OrganizationOpenAIOpenAIMoonshot AI
OpenTools Score
FamilyGPTKimi
StatusCurrentCurrent
Release DateMar 2026Jan 2026
Context Window400K tokens262K tokens
Input Price$0.75/M tokens$0.38/M tokens
Output Price$4.50/M tokens$1.72/M tokens
Pricing NotesCache read: $0.0750/M tokensCache read: $0.1913/M tokens
Capabilities
textvisioncode
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Max Output128K tokens66K tokens
API Identifieropenai/gpt-5.4-minimoonshotai/kimi-k2.5
 View GPT-5.4 MiniView Kimi K2.5

Cost Calculator

Enter your expected monthly token usage to compare costs.

ModelInputOutputTotal / movs Best
Kimi K2.5Cheapest$0.38$0.86$1.24—
GPT-5.4 Mini$0.75$2.25$3.00+141%

OpenAI

GPT-5.4 Mini

GPT-5.4 Mini is a multimodal llm from OpenAI. Supports up to 400,000 token context window. Available from $0.75/M input tokens.

Moonshot AI

Kimi K2.5

Kimi K2.5 is a multimodal llm from Moonshot AI. Supports up to 262,144 token context window. Available from $0.38/M input tokens.

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