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AI · alternatives · 2026

24 alternatives to Grok 2.5 (OSS Ver.)

2024 best model from xAI, now open source.

Grok 2.5 is xAI's open-source large language model, made available for developers and researchers. The model, which weighs approximately 500 GB, was xAI's best-performing model in 2024 and is now distributed under a… 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. 1
    Grok 4▲420

    World's most powerful Al model (still, according to Elon)

    2025 · x.com · its alternatives →

  2. 2

    Pushing the frontier of cost-efficient intelligence

    2025 · x.com · its alternatives →

  3. 3
    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 →

  4. 4

    gpt-oss-120b and gpt-oss-20b open-weight language models

    2025 · openai.com · its alternatives →

  5. 5
    Grok 4▲9

    Grok 4 - Next-Generation AI Model by xAI

    2025 · grok-4-ai.com · its alternatives →

  6. 6

    The speedy, economical AI for coding

    2025 · x.ai · its alternatives →

  7. 7

    Real-time multi-agent AI that debates itself to find truth.

    2025 · docs.x.ai · its alternatives →

  8. 8

    Conversational AI for understanding the universe

    2023 · x.ai · its alternatives →

  9. 9

    Free Grok 3 AI - Try Next Generation AI for Free

    2025 · grok3ai.org · its alternatives →

  10. 10

    Bring the power of Grok into your terminal

    2025 · github.com · its alternatives →

  11. 11
    Grok 4▲11

    Free Grok 4 AI - Experience Next-Gen AI Instantl

    2025 · grok4ai.app · its alternatives →

  12. 12
    GLM-4.5▲298

    Unifying agentic capabilities in one open model

    2025 · z.ai · its alternatives →

  13. 13

    The official app by xAl

    2025 · apps.apple.com · its alternatives →

  14. 14
    OpenBotfree▲362

    Grok Bot alternative: free, local, open-source, multiplayer

    22d ago · openbot.run · its alternatives →

  15. 15

    Bringing the power of Grok Voice to all developers

    Dec 2025 · x.ai · its alternatives →

  16. 16

    Grok 3 AI

    2025 · its alternatives →

  17. 17

    MoE vision-language, now easier to access

    2025 · github.com · its alternatives →

  18. 18

    Elon's answer to Wikipedia

    Oct 2025 · grokipedia.com · its alternatives →

  19. 19

    OpenAI's most advanced model, o1 API to third-party devs

    2024 · developers.openai.com · its alternatives →

  20. 20

    Hi, I’m Jakub, a solo founder based in Warsaw. I’ve been building GoModel since December with a couple of contributors. It's an open-source AI gateway that sits between your app and model providers like OpenAI, Anthropic or others. I built it for my startup to solve a few problems: - track AI usage and cost per client or team - switch models without changing app code - debug request flows more easily - reduce AI spendings with exact and semantic caching How is it different? - ~17MB docker image - LiteLLM's image is more than 44x bigger ("docker.litellm.ai/berriai/litellm:latest" ~…

    Apr 2026 · github.com · its alternatives →

  21. 21

    The official app by xAl

    2025 · play.google.com · its alternatives →

  22. 22

    Build Powerful Voice Agents

    2025 · openai.com · its alternatives →

  23. 23

    Grok Studio

    2025 · expireddomains.com · its alternatives →

  24. 24

    Our most capable voice agent is now available via API

    Apr 2026 · x.ai · 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 →