OpenAI: GPT-5.4 Nanoopenai
Bottom Line
OpenAI: GPT-5.4 Nano: $0.20/1M input, $1.25/1M output, 400K context, CPS grade B. GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
API Pricing (per 1M tokens)
| Input | $0.20 |
| Output | $1.25 |
| Cache Read | — |
| Cache Write | — |
| Blended (3:1) | $0.46 |
Specs & Performance
| Context Length | 400K |
| Max Output | 128K |
| Intelligence | 21 |
| Coding | 56 |
| Math | — |
| Speed | — |
| TTFT | — |
| CPS Grade | B |
| Input / Output Modalities | file, image, text → text |
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FAQ
How much does the OpenAI: GPT-5.4 Nano API cost?
OpenAI: GPT-5.4 Nano costs $0.20/1M input tokens and $1.25/1M output tokens. Blended cost at a 3:1 ratio is about $0.46/1M tokens.
What is the context window of OpenAI: GPT-5.4 Nano?
OpenAI: GPT-5.4 Nano supports a 400K token context window with up to 128K output tokens.
Is OpenAI: GPT-5.4 Nano worth it?
OpenAI: GPT-5.4 Nano has a CPS grade of B (score 61), intelligence index 21, coding index 56. Use the compare page to benchmark against rivals.