OpenAI: GPT-4.1

openai/gpt-4.1

PaidTool callingVision input
View on OpenRouter ↗

Price Published

Input
$2.00
per million tokens
Output
$8.00
per million tokens

Optional features and fallback routes can cost extra. Confirm current terms with the provider.

Specifications Published

Context window
1,047,576 tokens
Max output
32,768 tokens
Tool calling
Supported
Vision input
Supported
Reasoning
Not listed
Knowledge cutoff
Jun 30, 2024
Listed since
Apr 14, 2025

Measured by the Club Signed cheapoS reports

Not yet observed No signed request reports for this exact route yet. Missing reports aren't a failure or a zero.

How we measure · Reports come from cheapoS members who share model details.

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  1. Get an OpenRouter API key. Create one here. Other free tiers are compared on Providers.
  2. Add it to cheapoS. Open Models → Open OmniRoute, add OpenRouter with your key, then refresh models. Get cheapoS
  3. Pick this model. Use the ID openai/gpt-4.1 as a worker or reviewer, and start with a small task you can check.

About this model OpenRouter description

GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...

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Catalog data from the OpenRouter model catalog, retrieved Sep 29, 2026, 12:37 PM UTC. A listing isn't a live availability check.