LLM Comparison

Kimi K2.5 vs GPT-5.4 Pro

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 Pro
OrganizationMoonshot AIOpenAIOpenAI
OpenTools Score
FamilyKimiGPT
StatusCurrentCurrent
Release DateJan 2026Mar 2026
Context Window262K tokens1.1M tokens
Input Price$0.38/M tokens$30.00/M tokens
Output Price$1.72/M tokens$180.00/M tokens
Pricing NotesCache read: $0.1913/M tokens—
Capabilities
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Max Output66K tokens128K tokens
API Identifiermoonshotai/kimi-k2.5openai/gpt-5.4-pro
 View Kimi K2.5View GPT-5.4 Pro

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 Pro$30.00$90.00$120.00+9556%

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.

OpenAI

GPT-5.4 Pro

GPT-5.4 Pro is a multimodal llm from OpenAI. Supports up to 1,050,000 token context window. Available from $30.00/M input tokens.

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