AI · alternatives · 2026

24 alternatives to Grok 4 Fast

Pushing the frontier of cost-efficient intelligence

Grok 4 Fast is xAI's multimodal reasoning model designed for cost-efficient intelligence. It features a 2 million token context window and delivers strong price-to-performance metrics. The tool is available free in the… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

1
Grok 4▲420
World's most powerful Al model (still, according to Elon)
2025 · x.com · its alternatives →
2
Grok Code Fast 1▲144
The speedy, economical AI for coding
2025 · x.ai · its alternatives →
3
Grok 2.5 (OSS Ver.)▲289
2024 best model from xAI, now open source.
2025 · huggingface.co · its alternatives →
4
Grok 4.2▲274
Hi HN, I’ve been tracking the recent surge in Grok’s AI capabilities. According to the latest search data, "Grok Imagine 1.0" is seeing breakout growth, but there is a massive (+180%) spike in developer interest for the API side, specifically for video. I built grokimagine2.net to serve as a hub for what’s coming next in the Grok ecosystem. It focuses on the transition from image generation to high-fidelity video (which is currently the #1 trending topic in the niche). I'd love to get your thoughts on: The feasibility of Grok’s video model compared to Sora 2 or LTX. What you’d like to see in…
Feb 2026 · grok.com · its alternatives →
5
Grok 3 API▲191
Real-time multi-agent AI that debates itself to find truth.
2025 · docs.x.ai · its alternatives →
6
GPT-4▲1,160
More accurate, less cringe, smoother & useful daily chats!
2023 · openai.com · its alternatives →
7
Grok AI assistant▲257
Conversational AI for understanding the universe
2023 · x.ai · its alternatives →
8
Grok 4▲9
Grok 4 - Next-Generation AI Model by xAI
2025 · grok-4-ai.com · its alternatives →
9
Grok 4▲11
Free Grok 4 AI - Experience Next-Gen AI Instantl
2025 · grok4ai.app · its alternatives →
10
Grok for iOS▲220
The official app by xAl
2025 · apps.apple.com · its alternatives →
11
Grok for Android▲175
The official app by xAl
2025 · play.google.com · its alternatives →
12
Grok Bot▲555
AI teammates that you can give real work to
Aug 2026 · x.ai · its alternatives →
13
DeepSeek-V4▲387
The open-source era of 1M context intelligence
Apr 2026 · huggingface.co · its alternatives →
14
Free Grok 3 AI ▲11
Free Grok 3 AI - Try Next Generation AI for Free
2025 · grok3ai.org · its alternatives →
15
Google Gemma 4▲437
Google's most intelligent open models to date
Apr 2026 · blog.google · its alternatives →
16
Grok 3 AI▲12
Grok 3 AI
2025 · its alternatives →
17
OpenBotfree▲362
Grok Bot alternative: free, local, open-source, multiplayer
22d ago · openbot.run · its alternatives →
18
General Compute▲315
AI models that run on an inference cloud optimized for speed
May 2026 · generalcompute.com · its alternatives →
19
Grok Voice Agent API▲127
Bringing the power of Grok Voice to all developers
Dec 2025 · x.ai · its alternatives →
20
Inference Engine by GMI Cloud▲180
Fast multimodal-native inference at scale
Dec 2025 · gmicloud.ai · its alternatives →
21
Llama 4▲422
A new era of natively multimodal AI innovation
2025 · developer.meta.com · its alternatives →
22
Grokipedia▲283
Elon's answer to Wikipedia
Oct 2025 · grokipedia.com · its alternatives →
23
GPT-6 Sol & Luna▲350
Frontier AI intelligence, now at half the price
29d ago · openai.com · its alternatives →
24
GPT‑5.4 mini and nano▲267
Fast and efficient models optimized for coding and subagents
Mar 2026 · openai.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →