OpenAI: GPT-4.1 Nano
openai/gpt-4.1-nano
For tasks that demand low latency, GPT‑4.1 nano is the fastest and cheapest model in the GPT-4.1 series. It delivers exceptional performance at a small size with its 1 million token context window, and scores 80.1% on MMLU, 50.3% on GPQA, and 9.8% on Aider polyglot coding – even higher than GPT‑4o mini. It’s ideal for tasks like classification or autocompletion.
by OpenAI
Input type Output type Publish time 2025-04-14
Recent activity on GPT-4.1 Nano
Tokens processed per day
Throughput
| Providers | Min (tokens/s) | Max (tokens/s) | Avg (tokens/s) |
|---|---|---|---|
| Azure | 5.9 | 61.59 | 25.16 |
| OpenAI | 1.85 | 1.85 | 1.85 |
First Token Latency
(ms)
| Providers | Min (ms) | Max (ms) | Avg (ms) |
|---|---|---|---|
| Azure | 643 | 1692 | 999.45 |
| OpenAI | 599 | 599 | 599.00 |
Uptime stats for GPT-4.1 Nano
Uptime stats for GPT-4.1 Nano across all providers
Uptime
| Providers | Uptime | Recent uptime |
|---|---|---|
| Azure | 100.00% | Apr 30, 2026 6:00 PM |
| OpenAI | 100.00% | Apr 30, 2026 6:00 PM |
Price
Input
$ 0.1/ M tokens
Output
$ 0.4/ M tokens
Cache read
$ 0.025/ M tokens
Model limitation
Context
1.05M
Max output
32.77K
Supported Parameters
- max_completion_tokens
- temperature
- top_p
- frequency_penalty
- presence_penalty
- seed
- logit_bias
- logprobs
- top_logprobs
- response_format
- stop
- tools
- tool_choice
- parallel_tool_calls
Sample code and API for GPT-4.1 Nano
ZenMux normalizes requests and responses across providers for you.
OpenAI: Python-SDK
from openai import OpenAI
client = OpenAI(
base_url="https://zenmux.ai/api/v1",
api_key="<ZENMUX_API_KEY>",
)
# Chat Completion
completion = client.chat.completions.create(
model="openai/gpt-4.1-nano",
messages=[\
{\
"role": "user",\
"content": "What is the meaning of life?"\
}\
]
)
print(completion.choices[0].message.content)