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OpenAI: GPT-4.1 pricing

GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. OpenAI: GPT-4.1 from OpenRouter costs $2.00 per 1M input tokens and $8.00 per 1M output tokens. Cached input is $0.500 per 1M. Context window 1,047,576 tokens.

API id openai/gpt-4.1 · OpenRouter · source · updated 2026-09-25 · general-purpose

$2.00
Input / 1M tokens
$8.00
Output / 1M tokens
$0.500
Cached input / 1M
1M
Context window

OpenAI: GPT-4.1 specifications

Provider
OpenRouter
API id
openai/gpt-4.1
Model type
general-purpose
Context window
1M tokens
Max output
33K tokens
Currency
USD
Price source
Provider API
Last checked
2026-09-25

Tags

  • vision

gpt-4.1 across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

ProviderInput /1MCached /1MOutput /1M1M in + 1M outvs vendor
OpenAIVendorCheapest
$2.00$0.500$8.00$10.00—
OpenRouterHostviewing
$2.00$0.500$8.00$10.00—

What OpenAI: GPT-4.1 costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0060
Document summary50,0002,000$0.12
1M tokens in, 200K out1,000,000200,000$3.60

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does OpenAI: GPT-4.1 cost per 1M tokens?
OpenAI: GPT-4.1 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens on the standard tier. Cached input is $0.500 per 1M.
What is OpenAI: GPT-4.1's context window?
OpenAI: GPT-4.1 accepts up to 1,047,576 tokens in a single request, and can return up to 32,768 output tokens.
Is there a cheaper OpenRouter model than OpenAI: GPT-4.1?
Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $2.00 for OpenAI: GPT-4.1, with a 16,385 token context window.
Where does this OpenAI: GPT-4.1 price come from?
From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Other OpenRouter models

See all OpenRouter pricing →