Companies & labs

xAI

US AI company founded by Elon Musk, maker of Grok

42recordsFirst record 2023Latest Oct 14, 2026

Records 42

Newest first. Open one to see it with its source.

2026 16

xAI
xAI releases Grok Voice 3.0

Company-reported figures: an Artificial Analysis speech-to-speech index of 86.9 (GPT-Live-1 83.2, Gemini 3.8 Live 82.6), Full Duplex Bench 97%, and response latency under 1 second. xAI said it is used in Tesla vehicles a

MultimodalOfficial
SpaceXAI (xAI)
SpaceXAI (xAI) releases Team Bots

A design that treats agents not as personal assistants but as shared team assets. Bundling context, credentials and memory per bot means organizational knowledge builds up in the bot, but the bot in turn becomes a concen

xAI
xAI releases Grok Voice Transcribe 2.0

With transcription prices down to 10–20 cents an hour, voice enters the range where all of it gets stored, like logs.

MultimodalOfficial
xAI
xAI adds memory to Grok Build

One more design that keeps agent memory not in a vector store but in files people can read and edit — the direction in which the industry is converging on where the canonical copy of memory should live.

xAI
xAI makes Grok Bot available for enterprises

The focus of agent deployment shifts from showing off capability to governance of permissions and auditing

xAI
xAI publishes Biosecurity at the frontier

A case of a frontier lab publishing biosecurity refusal rates in numbers and naming an external evaluator — though it is the company's own post, and there is no independent replication

xAI
xAI releases Grok 4.6

Focused on long-running agents. The safety description says only that safeguards were calibrated to its capabilities, and no separate model card is linked

xAI
xAI launches Grok Bot in early beta

A shift in the product axis from chatbots to resident autonomous agents

xAI
xAI releases Imagine Image 2.0

Although it is an image model launched after regulatory pressure over NCII, the announcement makes no mention of watermarking or moderation

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xAI
xAI releases Grok 4.5

A new form: joint training with a coding-product company. States that competitors' figures were quoted from each company's system card

xAI
xAI open-sources the Grok Build coding agent and TUI

A release of the harness and agent scaffolding, not of weights. The license is not specified in the announcement

xAI (SpaceXAI)
xAI signs a deal giving Anthropic access to Colossus 1

A structural shift to renting compute to a rival lab. Also the latest primary source for the number of GPUs actually running in Colossus 1. Amount and term not disclosed

xAI
SpaceX acquires xAI

The largest merger on record. The same document lists xAI's September-quarter revenue at $107 million and net loss at $1.46 billion, a wide gap between valuation and results. The company name was later written as SpaceXA

xAI
xAI releases the Grok Imagine API

Commercializes a video generation API in the midst of regulatory pressure over NCII. The announcement makes no mention of content safety or moderation

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xAI
xAI blocks revealing edits of real people, limits image generation to paid users

An after-the-fact response, limited in scope. AP found that the editing tool was still available to free users the day after the measures were announced — a gap between announcement and actual enforcement

xAI
xAI raises $20 billion Series E

Among the largest single rounds for an AI startup. The valuation was not disclosed in the announcement

2025 16

xAI
xAI publishes its Frontier Artificial Intelligence Framework

A product of the first cycle in which state law began requiring frontier labs to publish their safety frameworks

xAI
xAI partners with HUMAIN, part of Saudi Arabia's PIF

The race to secure compute through Gulf capital. The announcement gives no MW capacity, GPU count or construction start date, so it is all at the planning stage

xAI
xAI releases Grok 4.1

A release that made emotional and creative interaction an explicit optimization target

xAI
xAI launches Grokipedia v0.1 (800,000+ articles)

The Guardian pointed to the spread of white-nationalist talking points, and PolitiFact to missing sources and misquotation. A case that exposed the problem of checking AI-generated knowledge bases

xAI
xAI releases Grok 4 Fast

An early case of merging reasoning and non-reasoning models into a single set of weights — a direction that later became the industry standard

xAI
xAI lays off 500 on data annotation team (about a third of 1,500)

Data strategy shifts from generalist human labeling to labeling by experts in STEM, finance, medicine and safety

xAI
xAI releases grok-code-fast-1

A strategy of giving away a low-cost coding model through Copilot, Cursor, Cline and others to win market share first

xAI
xAI releases Grok 2 (2.5) weights on Hugging Face

A turning point where the release policy retreated from Apache 2.0 to a custom community license. Because of its non-compete clause, opinions differ on whether it meets the open-source definition

xAI
xAI publishes its Risk Management Framework

Stating quantitative thresholds is unusual, but criteria such as a dishonesty rate under 50% drew criticism from outside safety researchers as far too lax

xAI
xAI announces xAI for Government

Entered the government market six days after the MechaHitler incident. The $200 million is the contract ceiling, not the amount actually spent

xAI
xAI releases Grok 4 and Grok 4 Heavy

An approach that raised RL compute to pretraining levels. All cited scores come from xAI's announcement, and no independent party checking them is named

xAI
Grok posts extremist, sexual-violence content after July 4 update (MechaHitler)

A leading example of a deployed frontier model generating extremist content at scale, and an early case of the US Congress stepping in directly over an incident involving a specific model

xAI
Grok inserts South African "white genocide" into unrelated answers for hours

An incident showing that a single line of system prompt can manipulate a frontier model's political output

xAI
xAI acquires X Corp in an all-stock deal

A merger of a social platform and a frontier lab. Since xAI's valuation in its previous round was $50 billion, it drew controversy as self-dealing

xAI
xAI releases Grok 3 and Grok 3 mini in beta, plus DeepSearch, its first agent

Split out a reasoning mode behind a Think button. The 200,000-GPU cluster in the announcement was mentioned for training the next model; the announcement does not say it was all used to train Grok 3

2024 8

xAI
xAI raises a $6 billion Series C

A structure in which chip suppliers came in directly as investors

xAI
xAI opens the Grok API in public beta

A strategy of lowering switching costs by adopting compatibility with competitors' APIs

xAI
xAI brings Colossus online in Memphis

The fastest build-out in the industry, by the company's own announcement. But the initial grid connection was only 8 MW, so it relied on temporary gas turbines, and was stepped up to 150 MW only in November

xAI
xAI releases Grok-2 / Grok-2 mini in beta

Image generation started not with an in-house model but through integration with an external model (Black Forest Labs FLUX.1)

xAI
xAI closes $6 billion Series B

The valuation was not disclosed in the announcement

xAI
xAI previews Grok-1.5V

A case of building its own benchmark and releasing it alongside. The announcement said only that it would soon be available to early testers, so whether it was actually released to the general public has not been checked

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xAI
xAI announces Grok-1.5

Expanded the context 16× over the previous version

xAI
xAI releases Grok-1 base model weights and architecture under Apache 2.0

The largest Apache 2.0 open-weight MoE at the time. But as a raw checkpoint without fine-tuning for dialogue, its practical usability was limited

2023 2

xAI
xAI unveils Grok

Its first product. Made wit and a rebellious streak explicit design goals, and presented real-time knowledge from the X platform as its differentiator

xAI
Elon Musk publicly announces the founding of xAI

The starting point of a new frontier lab made up of people from DeepMind, OpenAI and Google. The list of founding members follows Wikipedia; an official xAI announcement has not been checked