AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

GPT-4.1 vs Grok‑1

OpenAI
GPT-4.1
SpaceXAI
Grok‑1
Overview
CompanyOpenAISpaceXAI
Release dateApr 14 2025Nov 3 2023
AccessProprietaryOpen Weight
Benchmarks
Nonsense detection
BullshitBench v2
14%
Timeline
Release gapGrok‑1 shipped 528 days before GPT-4.1

Which is better: GPT-4.1 or Grok‑1?

GPT-4.1 and Grok‑1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok‑1 shipped 528 days before GPT-4.1, so benchmark comparisons should account for the intervening progress.

GPT-4.1 is proprietary, while Grok‑1 is open weight.

Direct benchmark comparisons are unavailable — GPT-4.1 and Grok‑1 don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-4.1 was released by OpenAI on Apr 14 2025.

Grok‑1 was released by SpaceXAI on Nov 3 2023.

GPT-4.1 is a proprietary model released by OpenAI. Grok‑1 is an open weight model released by SpaceXAI.

Other comparisons