DevTk.AI

GPT-4.1

OpenAI

GPT-4.1 by OpenAI costs $2/M input, $8/M output with 1.0M context window. Updated February 2026. Compare with GPT-5, Claude, Gemini & 40+ models.

Input Price

$2.00

per 1M tokens

Output Price

$8.00

per 1M tokens

Context Window

1.0M

tokens

Specifications

ProviderOpenAI
Model IDgpt-4-1
Input Price$2 / 1M tokens
Output Price$8 / 1M tokens
Context Window1.0M tokens
Max Output33K tokens
Capabilities
textvisionfunction_callingstructured_output
Release Date2025-04

Monthly Cost Estimates

Estimated monthly costs based on different daily usage levels (assuming 50% input / 50% output split).

Daily TokensMonthly CostAnnual Cost
10K $1.50 $18.00
50K $7.50 $90.00
100K $15.00 $180.00
500K $75.00 $900.00
1.0M $150.00 $1800.00

About GPT-4.1

GPT-4.1 is a large language model by OpenAI. It features a 1.0M token context window with up to 33K tokens of output per request. The model supports 4 capabilities: text, vision, function_calling, structured_output.

At $2 per million input tokens and $8 per million output tokens, GPT-4.1 is positioned as a mid-range option in the OpenAI lineup. Use our Token Counter to estimate how many tokens your prompts use, and our Pricing Calculator to compare costs across all models.

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FAQ

How much does GPT-4.1 cost?

GPT-4.1 costs $2 per million input tokens and $8 per million output tokens. For a typical workload of 100K tokens/day, expect approximately $18.00/month.

What is GPT-4.1's context window?

GPT-4.1 supports a context window of 1.0M tokens. This means your combined input prompt and output response can be up to 1.0M tokens. The maximum output per response is 33K tokens.

Is GPT-4.1 good for my use case?

GPT-4.1 supports text, vision, function_calling, structured_output. As a mid-range model, it balances capability and cost for most production use cases. Use our Pricing Calculator to compare with alternatives.