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AI Launch Profile

Introducing GPT-4.1 in the API

OpenAI launched GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano in the API with improvements in coding, instruction following, and long context.

Editorial image for Introducing GPT-4.1 in the API AI launch

At a glance

Launch Snapshot

Company
OpenAI
Launch date
April 14, 2025
Launch type
Model Release
Category
AI Developer Tools
Audience
Developers, Enterprises, Operators
Pricing
API pricing launched with per-token rates for GPT-4.1, mini, and nano; see OpenAI pricing for current rates.
Free plan
No
API
Yes
Open weights/source
No

Verification & Sources

Evidence state
Recheck due
Source links
2
Freshness
Needs recheck: checked June 8, 2026
Last updated
June 11, 2026
What this evidence state means
Definition
The claim was previously checked, but its review window expired or a material change may have invalidated it.
Required provenance
The prior evidence and check date are retained, together with the expiry or change signal that triggered recheck.
Owner
Kingy freshness queue owner and assigned editorial reviewer
Freshness rule
This is already outside its freshness rule. It must not be presented as current until reviewed against current evidence.
Disputes and corrections
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Kingy Launch Score

7.4 / 10 · Solid

One earned credibility score, computed from cited evidence — not a placeholder. How the Kingy Launch Score works

Why this score

  • Source & verification 7.5/10 — The launch post plus API model documentation — dated, single-vendor sourcing. openai.com
  • Product evidence 8.0/10 — Three API models (GPT-4.1, mini, nano) shipped with model documentation. developers.openai.com
  • Significance & novelty 7.0/10 — Coding, instruction following, and long context as first-class API strengths across three sizes — a substantive developer-platform release. openai.com
  • Traction signals not scored — insufficient sourced evidence
  • Offer clarity 7.0/10 — Per-token API rates launched for all three models; current rates on the OpenAI pricing page. developers.openai.com

Evidence checked 2026-07-10

Kingy AI Take

OpenAI launched GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano in the API, with improvements aimed at coding, instruction following, and long context, plus per-token rates from day one (openai.com). Developers and Operators building coding tools, agents, and document workflows were the explicit target. The improvement claims are vendor-reported, so validate quality and cost on your own workloads.

Who it is for

Developers building coding tools, agents, document workflows, customer support systems, and long-context applications.

Traction notes

Key developer platform release because GPT-4.1 positioned coding and long context as first-class API strengths.

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