GPT-5.4 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 at $0.20/1M/1M vs $2.50/1M/1M input tokens — a 12.5x cost difference. GPT-5.4 scores higher on quality benchmarks (ELO 1420). Choose GPT-5.4 nano for cost-sensitive workloads; choose GPT-5.4 for maximum quality.
Which is cheaper: GPT-5.4 or GPT-5.4 nano?
GPT-5.4 nano is the cheaper option at $0.20/1M per 1M input tokens, compared to $2.50/1M for GPT-5.4. That is a 12.5x cost difference on input tokens. Output pricing follows a similar pattern: GPT-5.4 charges $15.00/1M/1M vs $1.25/1M/1M for GPT-5.4 nano.
Which has better quality: GPT-5.4 or GPT-5.4 nano?
Based on LMSYS Chatbot Arena rankings, GPT-5.4 achieves a higher ELO score (1420 vs 1280), suggesting stronger performance on open-ended tasks. GPT-5.4 excels at openai flagship — top-tier reasoning, coding, and multimodal. GPT-5.4 nano is known for cheapest openai model — $0.20/1m input.
Which should you choose: GPT-5.4 or GPT-5.4 nano?
- → OpenAI flagship — top-tier reasoning, coding, and multimodal
- → Native computer use and tool search
- → 272K standard context (expandable to 1M)
- → 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 or GPT-5.4 nano?
GPT-5.4 nano is cheaper at $0.20/1M per 1M input tokens, making it 12.5x more affordable.
Which has better quality: GPT-5.4 or GPT-5.4 nano?
GPT-5.4 scores higher on the LMSYS Chatbot Arena with an ELO of 1420, suggesting better overall quality for most tasks.
Which has a larger context window: GPT-5.4 or GPT-5.4 nano?
Both GPT-5.4 and GPT-5.4 nano have the same context window.
Should I choose GPT-5.4 or GPT-5.4 nano?
Choose GPT-5.4 nano if cost is the priority. Choose GPT-5.4 if benchmark quality is most important. Consider your specific use case: GPT-5.4 is best for coding and reasoning, while GPT-5.4 nano excels at low-cost and fast-response.
Is GPT-5.4 or GPT-5.4 nano open source?
GPT-5.4 is proprietary. GPT-5.4 nano is proprietary.