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Model Watch · xAI

Grok 4.6

The current flagship. Half the context of Grok 4.3 and nearly twice the price, which is an odd trade until you read the benchmarks. Prompts at or over 200K tokens bill double on every token in the request.

Status
released
Released
12 August 2026
Context
500K tokens
Price / 1M
$2.00 in, $6.00 out
Mentions
5
Threads
2

What is Grok 4.6?

Grok 4.6 is a model from xAI, built in the US. It's out, and you can call it today.

When did Grok 4.6 come out?

xAI released it on 12 August 2026. That date comes from the lab's own docs.

The tracker first logged the name on 12 August 2026 and last saw it on 26 August 2026.

What does it cost, and how much context does it hold?

LabxAI
Built inUS
Statusreleased
API model idgrok-4.6
Released12 August 2026
Context window500K tokens
Max outputNot published
Input, per 1M tokens$2.00
Output, per 1M tokens$6.00

List prices per million tokens, read off the lab's own docs. Caching, batching and volume deals all cut the real number, so treat this as the ceiling. Check the source before you budget against it.

How does it compare to xAI's other models?

ModelStatusDateContextIn / 1MOut / 1M
Grok 4.6released12 August 2026500K tokens$2.00$6.00
Grok 4.5released16 July 2026500K tokens$2.00$6.00
Grok Build 0.1released29 May 2026256K tokens$1.00$2.00
Grok 5rumoured
Grok 4.3released1M tokens$1.25$2.50

A dash means the lab hasn't published that number for that model.

What are people discussing about Grok 4.6?

We tracked 2 public discussions naming Grok 4.6 across r/accelerate and r/singularity on 12 August 2026.

The subject that came up most was availability and outages and benchmark results. A discussion can cover several, so these add up to more than 2.

What people are discussingThreads
availability and outages1
benchmark results1

Every mention we've logged

Every tracked post, release, changelog entry or incident whose title or summary names Grok 4.6. Newest first, each one linking to where the lab published it.

Wed 26 Aug 2026

1

Fri 21 Aug 2026

1

Wed 19 Aug 2026

1

Fri 14 Aug 2026

1

Wed 12 Aug 2026

1
xAIpost grok-4-5 grok-4-6xai-news

Introducing Grok 4.6

Grok 4.6 builds on Grok 4.5 with a particular focus on long-running agents and more ambitious interactive and visual work.

Keep reading

The release timeline is every model we know about, filterable by lab, country and date. The tracker is the live feed these mentions come from, and Model Watch is the whole catalogue on one page.

More from xAI:

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