LLM Comparison

GPT-5.4 Nano vs GPT-5.4 Pro

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

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2/6 models
Same tier:
 OpenAIGPT-5.4 NanoOpenAIGPT-5.4 Pro
OrganizationOpenAIOpenAIOpenAIOpenAI
OpenTools Score
FamilyGPTGPT
StatusCurrentCurrent
Release DateMar 2026Mar 2026
Context Window400K tokens1.1M tokens
Input Price$0.20/M tokens$30.00/M tokens
Output Price$1.25/M tokens$180.00/M tokens
Pricing NotesCache read: $0.0200/M tokens—
Capabilities
textvisioncode
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Max Output128K tokens128K tokens
API Identifieropenai/gpt-5.4-nanoopenai/gpt-5.4-pro
 View GPT-5.4 NanoView GPT-5.4 Pro

Cost Calculator

Enter your expected monthly token usage to compare costs.

ModelInputOutputTotal / movs Best
GPT-5.4 NanoCheapest$0.20$0.63$0.83—
GPT-5.4 Pro$30.00$90.00$120.00+14445%

OpenAI

GPT-5.4 Nano

GPT-5.4 Nano is a multimodal llm from OpenAI. Supports up to 400,000 token context window. Available from $0.20/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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