GPT-5.4 Nano
openai/gpt-5.4-nanoGPT-5.4 nano is the smallest and fastest tier of OpenAI's GPT-5.4 family, released in March 2026 with text and image input and text output. OpenAI recommends it for tasks where speed matters most, such as classification, data extraction, ranking and coding subagents that handle simpler supporting work. Choose it for high-volume pipelines; unlike GPT-5.4 mini, it does not support the computer use or tool search tools.
- Input price
- $0.20USD / 1M tokens
- Output price
- $1.25USD / 1M tokens
- Cache read
- $0.02USD / 1M tokens
- Context window
- 400K
- Max output
- 128K
Specifications
- Input
- Text, image
- Output
- Text
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Choose either supported API with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/responses" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "openai/gpt-5.4-nano",
"input": "Hello",
"max_output_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"Questions
FAQ
How do I call OpenAI GPT-5.4 Nano through SandBase?
Create a SandBase API key, then send requests with the model ID "openai/gpt-5.4-nano" to Responses API (/v1/responses) or Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.
How much does OpenAI GPT-5.4 Nano cost?
$0.20 per 1M input tokens and $1.25 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.
What is the context window of OpenAI GPT-5.4 Nano?
400K tokens of context, with up to 128K output tokens per response.
Which features does OpenAI GPT-5.4 Nano support?
OpenAI GPT-5.4 Nano supports vision (image input), reasoning, function calling, structured output. See Specifications above for the full list.
Do I need a separate OpenAI account?
No. One SandBase API key and balance gives you access to OpenAI GPT-5.4 Nano and the other models in the catalog; you do not need to sign up with OpenAI separately.