GPT-5.4 mini vs GPT-5.4 nano
Pricing, context window, and benchmark comparison · Last updated April 2026
GPT-5.4 nano is cheaper than GPT-5.4 mini at $0.20/1M/1M vs $0.75/1M/1M input tokens — a 3.8x cost difference. GPT-5.4 mini scores higher on quality benchmarks (ELO 1360). Choose GPT-5.4 nano for cost-sensitive workloads; choose GPT-5.4 mini for maximum quality.
Which is cheaper: GPT-5.4 mini or GPT-5.4 nano?
GPT-5.4 nano is the cheaper option at $0.20/1M per 1M input tokens, compared to $0.75/1M for GPT-5.4 mini. That is a 3.8x cost difference on input tokens. Output pricing follows a similar pattern: GPT-5.4 mini charges $4.50/1M/1M vs $1.25/1M/1M for GPT-5.4 nano.
Which has better quality: GPT-5.4 mini or GPT-5.4 nano?
Based on LMSYS Chatbot Arena rankings, GPT-5.4 mini achieves a higher ELO score (1360 vs 1280), suggesting stronger performance on open-ended tasks. GPT-5.4 mini excels at strong mid-tier quality close to gpt-5.4 at 1/3 the price. GPT-5.4 nano is known for cheapest openai model — $0.20/1m input.
Which should you choose: GPT-5.4 mini or GPT-5.4 nano?
- → Strong mid-tier quality close to GPT-5.4 at 1/3 the price
- → Fast inference and low latency
- → Same 272K context window as flagship
- → Cheapest OpenAI model — $0.20/1M input
- → Good at classification, routing, and extraction
- → 272K context window even at low price
Frequently Asked Questions
Which is cheaper: GPT-5.4 mini or GPT-5.4 nano?
GPT-5.4 nano is cheaper at $0.20/1M per 1M input tokens, making it 3.8x more affordable.
Which has better quality: GPT-5.4 mini or GPT-5.4 nano?
GPT-5.4 mini scores higher on the LMSYS Chatbot Arena with an ELO of 1360, suggesting better overall quality for most tasks.
Which has a larger context window: GPT-5.4 mini or GPT-5.4 nano?
Both GPT-5.4 mini and GPT-5.4 nano have the same context window.
Should I choose GPT-5.4 mini or GPT-5.4 nano?
Choose GPT-5.4 nano if cost is the priority. Choose GPT-5.4 mini if benchmark quality is most important. Consider your specific use case: GPT-5.4 mini is best for customer-support and data-extraction, while GPT-5.4 nano excels at low-cost and fast-response.
Is GPT-5.4 mini or GPT-5.4 nano open source?
GPT-5.4 mini is proprietary. GPT-5.4 nano is proprietary.