GPT-5 Nano
by OpenAI
GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger counterparts, it retains key instruction-following and safety features. It is the successor to GPT-4.1-nano and offers a lightweight option for cost-sensitive or real-time applications.
Specifications
Technical details and pricing.
Benchmarks
10 benchmark scores from Artificial Analysis.
Composite Indices
Intelligence, Coding, Math
Standard Benchmarks
Academic and industry benchmarks
Frequently Asked Questions
What is GPT-5 Nano good for?
Use GPT-5 Nano for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does GPT-5 Nano cost?
Pricing is based on usage. Current rates are $0.05/1M tokens for input and $0.40/1M tokens for output.
Can I try GPT-5 Nano for free?
Yes. You can start a chat instantly and test the model before deciding on a plan.
Does GPT-5 Nano support images or audio?
GPT-5 Nano can understand images.
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Benchmarks and pricing are sourced from Artificial Analysis where available. OpenRouter specs are used as a fallback.