GPT‑5.4 mini and nano | Official
GPT-5.4 mini and nano are OpenAI's most capable small language models optimized for speed and cost-efficiency, bringing near-flagship performance to coding, reasoning, and multimodal tasks while running significantly faster than their full-sized counterpart.
https://chatgpt.com/
Product Information
Updated:Mar 19, 2026
GPT‑5.4 mini and nano | Official Monthly Traffic Trends
GPT-5.4 Thinking (ChatGPT 5.4) saw a 4.4% increase in visits, reaching 6.16B visits in the month. While the growth is modest, it aligns with the platform's ongoing enhancements and the introduction of GPT-5 with advanced features like better reasoning, memory, and advanced voice mode. The year-end summary feature and conversational memory updates may have also contributed to user engagement.
What is GPT‑5.4 mini and nano | Official
Released by OpenAI, GPT-5.4 mini and nano are compact variants of the GPT-5.4 model designed specifically for high-volume workloads and developer use cases. GPT-5.4 mini is available in ChatGPT (via the 'Thinking' feature for Free and Go users), Codex, and the API, while GPT-5.4 nano is exclusively available through the API. These models represent OpenAI's latest advancement in creating smaller but highly capable AI models that balance performance with efficiency, with GPT-5.4 mini running more than 2x faster than GPT-5 mini while approaching full GPT-5.4 performance on several benchmarks.
Key Features of GPT‑5.4 mini and nano | Official
GPT-5.4 mini and nano are OpenAI's latest compact AI models designed for high-volume workloads, offering improved speed and cost efficiency. GPT-5.4 mini is available through ChatGPT (free and Go tiers), API, and Codex, featuring enhanced capabilities in coding, reasoning, and multimodal understanding while running 2x faster than GPT-5 mini. GPT-5.4 nano is exclusively available via API as the most affordable option, optimized for simpler tasks with minimal latency.
Enhanced Performance: GPT-5.4 mini approaches flagship GPT-5.4 performance on several benchmarks, scoring 54.38% on SWE-Bench Pro and featuring a 400k context window
Multi-platform Availability: GPT-5.4 mini is accessible through ChatGPT's 'Thinking' feature, API, and Codex, while nano is API-exclusive
Cost-Efficient Pricing: GPT-5.4 nano offers the lowest pricing at $0.20/1M input tokens and $1.25/1M output tokens, while mini costs $0.75/1M input and $4.50/1M output tokens
Comprehensive Tool Support: Supports text and image inputs, function calling, web search, and computer use capabilities
Use Cases of GPT‑5.4 mini and nano | Official
Software Development: Handles targeted edits, codebase navigation, front-end generation, and debugging loops with low latency
Data Processing: Efficient for classification, data extraction, and ranking tasks, especially suitable for high-volume workloads
Subagent Operations: Functions as specialized subagents for parallel tasks like searching codebases or reviewing large documents while larger models handle planning
Pros
Significantly faster performance (2x speed improvement)
Cost-effective for high-volume operations
Broad accessibility across different platforms
Cons
Nano model limited to API-only access
Lower performance compared to full GPT-5.4
Limited feature set in nano version compared to mini
How to Use GPT‑5.4 mini and nano | Official
Access GPT-5.4 mini in ChatGPT (Free/Go Users): Open ChatGPT and select the 'Thinking' feature from the + menu. GPT-5.4 mini is automatically available for Free and Go tier users through this option.
Access GPT-5.4 mini in ChatGPT (Paid Users): For paid users, GPT-5.4 mini serves as a fallback option when they reach their rate limit for the full GPT-5.4 Thinking model.
Access GPT-5.4 mini via API: Developers can access GPT-5.4 mini through the OpenAI API. Pricing is $0.75 per million input tokens and $4.50 per million output tokens.
Access GPT-5.4 mini in Codex: Software developers can use GPT-5.4 mini through the Codex app and IDE extensions for coding-related tasks.
Access GPT-5.4 nano: GPT-5.4 nano is only available through the OpenAI API (not in ChatGPT or Codex). Pricing is $0.20 per million input tokens and $1.25 per million output tokens.
Choose the right model for your use case: Use GPT-5.4 mini for general tasks requiring good performance and speed. Use nano for high-volume tasks like classification, data extraction, ranking, and lightweight coding where cost and speed are priorities.
GPT‑5.4 mini and nano | Official FAQs
GPT-5.4 mini is available to Free and Go users via the 'Thinking' feature in the + menu of ChatGPT. It's also available in OpenAI's API and Codex.
GPT‑5.4 mini and nano | Official Video
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Analytics of GPT‑5.4 mini and nano | Official Website
GPT‑5.4 mini and nano | Official Traffic & Rankings
6.2B
Monthly Visits
#6
Global Rank
#1
Category Rank
Traffic Trends: Nov 2024-Oct 2025
GPT‑5.4 mini and nano | Official User Insights
00:06:25
Avg. Visit Duration
3.84
Pages Per Visit
31.18%
User Bounce Rate
Top Regions of GPT‑5.4 mini and nano | Official
US: 19.78%
IN: 7.03%
BR: 5.24%
JP: 3.8%
GB: 3.34%
Others: 60.81%
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