GPT-4.1 — reviews, specs & pricing

OpenAI's model with improved coding and long-context understanding.

Summary

GPT-4.1 offers a 1M token context window with major improvements in coding and instruction following over GPT-4o. It's available in standard, mini and nano sizes. It targets developers building agentic and coding workflows.

Sample use case

Well suited for large codebase analysis, long-document QA, and agentic coding assistants. Also used for enterprise workflows requiring long context.

Specifications

  • Provider: openai
  • License: closed
  • Context: 1048k tokens
  • Input price: $2/M tok
  • Output price: $8/M tok
  • Released: 2025-04-14

Pros

  • 1M token context
  • Strong coding performance
  • Multiple size tiers

Cons

  • Closed weights
  • Higher output cost
  • Newer, less battle-tested

Average rating 0.0 from 0 community reviews on Reviuws.

Frequently asked questions

What is GPT-4.1?

GPT-4.1 offers a 1M token context window with major improvements in coding and instruction following over GPT-4o. It's available in standard, mini and nano sizes. It targets developers building agentic and coding workflows.

How much does GPT-4.1 cost?

GPT-4.1 costs $2 per million input tokens and $8 per million output tokens.

Is GPT-4.1 open source?

GPT-4.1 is released under the closed license.