Grok 4.3
For the giant pile of source material. Drop in the whole transcript, the full document set, the year of client notes, and get something usable back.
[ Overview ]
Meet Grok 4.3.
Grok 4.3 is SpaceXAI's long-context model, and it is the one to use when you have too much material and not enough time. It holds far more in one go than most models here, so you can hand it the whole thing rather than feeding it in pieces.
Drop in a two-hour podcast transcript and get the clips, the show notes and a week of promo posts. Upload a year of client meeting notes and ask what they keep asking for. Paste the full brand guidelines, the old campaign and the new brief, and get copy that fits all three. It can also reach live web and X data when the answer changed recently.
Pick Grok 4.3 when the job is large rather than hard. When the problem is genuinely difficult, Grok 4.5 goes deeper and you can hand it the same thread without losing a thing. Both are included with HiggsChat alongside every other leading model and image and video generation, on one subscription.
[ Key features ]
What it's great at.
Thinks it through
Works through the brief before it answers, so you edit less.
Writes in your voice
Scripts, captions, emails and blog drafts that sound like you.
Keeps the thread
Hand the same conversation to any other model without repeating yourself.
Turns words into visuals
Take the script you just wrote straight into an image or a video.
Handles the long stuff
Paste in a full transcript or brief and it stays in view.
Always current
The newest version is wired up the day it ships. No upgrade to buy.
[ Use cases ]
Built for real work.
Content & copy
Posts, emails and scripts in your brand voice.
Software
Scaffold features, write tests, review PRs.
Data & analysis
Explain datasets, write formulas and SQL.
Learning
Break down hard concepts with clear answers.
Research
Summarize long PDFs into clear takeaways.
Support
Draft replies, macros and help articles.
[ Example prompts ]
Steal these to get started.
Copy any prompt and paste it straight into Grok 4.3 inside HiggsChat.
“Rewrite this to be 30% shorter, keep the key facts, confident but warm tone: [paste text]”
“Here is a function and the error it throws. Explain the root cause in two sentences, then give a corrected version: [paste code]”
“Act as a skeptical investor. List the three weakest assumptions in this pitch, with a sharper question for each: [paste]”
“Explain how vector embeddings work to a smart 12-year-old, one everyday analogy, no jargon.”
[ How to use it ]
Grok 4.3 inside HiggsChat.
Open a new chat
Hit New Chat in your HiggsChat sidebar. No API key or Anthropic account needed.
Select Claude Opus 4.8
Pick Claude Opus 4.8 from the model selector at the top. Switch any time.
Prompt & switch
Start working, and hand the thread to any other model whenever you want a second take.
[ Pricing ]
One subscription. Every AI model.
Chat, image, and video models from OpenAI, Anthropic, Google, SpaceXAI, and more, all powered by simple credits. No free plan; free signup lets you explore everything first.
Team
Everything in Max, plus:
1 credit = a slice of real cost
You only pay for what a model actually costs, nothing more.
One shared balance
Chat, images and video all draw from the same credits.
Never get stuck
Run out? Buy add-on credit packs anytime.
[ FAQ ]
Grok 4.3, answered.
Try Grok 4.3, and 60 more.
One login to the entire frontier. Start free, no credit card required.
Grok 4.3 is SpaceXAI's long-context model, and it is the one to use when you have too much material and not enough time. It holds far more in one go than most models here, so you can hand it the whole thing rather than feeding it in pieces.
Drop in a two-hour podcast transcript and get the clips, the show notes and a week of promo posts. Upload a year of client meeting notes and ask what they keep asking for. Paste the full brand guidelines, the old campaign and the new brief, and get copy that fits all three. It can also reach live web and X data when the answer changed recently.
Pick Grok 4.3 when the job is large rather than hard. When the problem is genuinely difficult, Grok 4.5 goes deeper and you can hand it the same thread without losing a thing. Both are included with HiggsChat alongside every other leading model and image and video generation, on one subscription.
