OpenAI
GPT-5.4 Nano
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.
At a glance
- Input / 1M
- $0.20
- Output / 1M
- $1.25
- Context
- 400K
- Max output
- 128K
- Intelligence
- 20.7
- Released
- Mar 2026
Pricing
GPT-5.4 Nano API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $0.20 |
|---|---|
| Output tokensPer 1M tokens | $1.25 |
| Cached input (read)Per 1M tokens | $0.02 |
| Cache writePer 1M tokens | Not available |
| Web searchPer request | $0.01 |
Chat message
2K in, 500 out
$1.02
per 1,000 requests
Coding task
30K in, 4K out
$11
per 1,000 requests
Long document summary
150K in, 2K out
$32.50
per 1,000 requests
Benchmarks
GPT-5.4 Nano benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
20.7
Coding index
56.1
Agentic index
16
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 400K tokens
- Max output
- 128K tokens
- Input types
- File, Image, Text
- Output types
- Text
- Reasoning effort
- Extra high, High, Medium, Low, None
- Release date
- March 17, 2026
- Knowledge cutoff
- August 31, 2025
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
GPT-5.4 Nano vs other models
See how GPT-5.4 Nano stacks up head to head on price, benchmarks, and features.
VS
GPT-5.4 Nano vs DeepSeek V4 Flash 0423
OpenAI vs DeepSeek
See comparisonVSGPT-5.4 Nano vs DeepSeek V3.2
OpenAI vs DeepSeek
See comparisonVS
GPT-5.4 Nano vs Gemini 3.5 Flash Lite
OpenAI vs Google
See comparisonVSGPT-5.4 Nano vs Step 3.7 Flash
OpenAI vs StepFun
See comparisonVSGPT-5.4 Nano vs GPT-5 Mini
OpenAI vs OpenAI
See comparisonVSGPT-5.4 Nano vs GPT-5.6 Luna Pro
OpenAI vs OpenAI
See comparisonMore GPT-5.4 Nano comparisons
Alternatives
GPT-5.4 Nano alternatives
Similar models worth considering, and where each one has the edge.
DeepSeek
DeepSeek V4 Flash 0423
MiniMax
MiniMax M2.7
MiniMax
MiniMax M2.5
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does GPT-5.4 Nano cost?
GPT-5.4 Nano costs $0.20 per 1M input tokens and $1.25 per 1M output tokens through the API. A typical chat message costs about $1.02 per 1,000 messages.
What is the context window of GPT-5.4 Nano?
GPT-5.4 Nano accepts up to 400K tokens of input and can write up to 128K tokens in a single response.
What is the best alternative to GPT-5.4 Nano?
DeepSeek V4 Flash 0423 from DeepSeek is a strong alternative. It offers: higher intelligence score, larger 1.05m context, newer release.
Can I use GPT-5.4 Nano alongside other models?
Yes. Shortcut Chat sends one prompt to GPT-5.4 Nano and any other models you pick at the same time, so you can compare answers side by side.
Try GPT-5.4 Nano next to every other model.
Use GPT-5.4 Nano alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.