GPT-5.4 nano is OpenAI's cheapest model, designed for high-volume latency-sensitive tasks like classification, routing, and lightweight extraction. At $0.20/1M input tokens it competes directly with Gemini Flash-Lite and Claude Haiku on cost.
Pricing Breakdown
| Volume | Input Cost | Output Cost | Combined (50/50) |
|---|---|---|---|
| 1,000 tokens | $0.0002 | $0.0013 | $0.0007 |
| 10,000 tokens | $0.0020 | $0.0125 | $0.0072 |
| 100,000 tokens | $0.0200 | $0.1250 | $0.0725 |
| 1,000,000 tokens | $0.2000 | $1.2500 | $0.7250 |
Strengths
- ✓Cheapest OpenAI model — $0.20/1M input
- ✓Good at classification, routing, and extraction
- ✓272K context window even at low price
- ✓Extremely fast inference
Weaknesses
- ✗Not suitable for complex reasoning
- ✗Weaker at nuanced instruction following vs. mini
Compare GPT-5.4 nano With
Frequently Asked Questions
How much does GPT-5.4 nano cost?
GPT-5.4 nano costs $0.20/1M per 1M input tokens and $1.25/1M per 1M output tokens.
What is GPT-5.4 nano's context window?
GPT-5.4 nano has a context window of 272K tokens, which means it can process up to 272,000 tokens in a single request.
Is GPT-5.4 nano open source?
No, GPT-5.4 nano is a proprietary model by OpenAI and is not open source.
What is GPT-5.4 nano best used for?
GPT-5.4 nano is best suited for: low-cost, fast-response, data-extraction, customer-support, summarization. Cheapest OpenAI model — $0.20/1M input.
What is GPT-5.4 nano's ELO score?
GPT-5.4 nano has an ELO score of 1280 on the LMSYS Chatbot Arena leaderboard, placing it in the mid-tier range.