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.

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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

Launch Context

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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: Use “Suggest a correction” on the record. Kingy editorial reviews the cited evidence, records material corrections, and changes or removes the state when it is not supported.

Key source checks

Official site OpenAI API GPT-4.1 model docs

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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

Creator Coverage Next Steps

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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.

Source list

Sources

Official site openai.com OpenAI API GPT-4.1 model docs developers.openai.com