Celon

GPT 4.1 Nano

ChatInput: ImageInput: TextInput: FileReleased Apr 14, 2025

Built by OpenAI · United States · openai.com

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...

How to use

model: "openai/gpt-4.1-nano"

Cap quality here and save

Hard questions go to this model, easy ones drop to something cheaper. Set a savings target (0–0.8) and the router tunes itself until realized savings converge on it.

{
  "model": "celon/auto",
  "celon": {
    "anchor": "openai/gpt-4.1-nano",
    "savings_target": 0.4
  }
}

Naming a model directly gets you that model — savings controls don't apply.

Context

1.0M

Max output

33K

Input $/1M

$0.10

Output $/1M

$0.40

Features

Image inputTool callingJSON

Serving providers

OpenAI

Providers

Price, latency, and uptime per provider serving this model. Celon routes each request to the fastest and cheapest of them. Click a row for regions and data policies.

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Performance

Benchmark quality scores, and measured speed per provider.

Quality

Epoch Capabilities IndexComposite over 50+ benchmarks
130.9
GPQA DiamondPhD-level science questions
48.9%
AIMECompetition mathematics
28.9%
FrontierMathResearch-level mathematics
1.0%
SciCodeScientific code generation
25.9%
ARC-AGI-2Abstract reasoning
0.0%

At each model's best reasoning effort. Benchmarks it wasn't run on are omitted.

Speed

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