Breaking

xAI to Ship 2-Trillion-Parameter Foundation Model in August, Musk Says

July 10, 2026 at 02:40 EDT

Foundation Models
Software Dev & Coding
AI Agents

xAI's Elon Musk said the company will finish training a new 2-trillion-parameter foundation model in July 2026 and make it available to customers the following month, as a successor to the 1.5-trillion-parameter version now in deployment.

SpaceXAI · Grok Roadmap

xAI to Finish Training a 2-Trillion-Parameter Grok in July 2026

Elon Musk says the next foundation model finishes training this month and reaches customers next month — a jump from the 1.5T V9 now in deployment, built for coding and agentic tasks with a targeted monthly release cadence.

Parameters in the next foundation model

100+

Tokens/sec speed praised in Grok 4.5

$2/$6

Per 1M input / output tokens

Scaling the foundation model

Parameters (trillions) — column height is proportional to model scale.

0.5T

Grok 4.2
(~500B)

1.5T

Grok 4.5 V9
(current)

Next model
(Aug 2026)

In training
(parallel)

10T

In training
(parallel)

Grok 4.5 · Current

V9 foundation, 1.5T parameters
Cursor data added as supplemental stage
Training complete — in deployment
Mostly private beta (SpaceX, Tesla)

Next model · Planned

2T parameters
Cursor data from early pre-training
Training complete: July 2026
Customer availability: August 2026

Praised for

Speed above 100 tokens/sec, strength in agentic coding, and an early cost advantage versus rivals.

Cautions

Limited published benchmarks, scarce independent evaluation, gradual rollout of pricing and access, and no EU support.

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