Alternatives

# Best Open-Source Grok Alternatives in October 2026

> The strongest open-weight alternative to Grok as of October 2026 is Kimi K3 from Moonshot AI: 2.7 points ahead of Grok 4.6, 2.0× pricier; open weights. Compared against Grok 4.6, Grok's current top model.
- Canonical page: https://noometry.com/alternatives/grok/open-source
- Last updated: 2026-10-10
- Title: Best Open-Source Grok Alternatives (October 2026) | Noometry

The strongest open-weight alternative to Grok as of October 2026 is Kimi K3 from Moonshot AI: 2.7 points ahead of Grok 4.6, 2.0× pricier; open weights. Compared against Grok 4.6, Grok's current top model.

Last verified October 10, 2026

1.  ## [Kimi K3](https://noometry.com/models/kimi-k3) Moonshot AI
    
    2.7 points ahead of Grok 4.6, 2.0× pricier; open weights.
    
    Score 59.5, $6 per M tokens blended.[Compare with Grok 4.6](https://noometry.com/compare/grok-4-6-vs-kimi-k3)
    
2.  ## [GLM-5.3](https://noometry.com/models/glm-5-3) Z.ai (Zhipu)
    
    2.0 points behind Grok 4.6, 1.4× cheaper per token; open weights.
    
    Score 54.8, $2.15 per M tokens blended.[Compare with Grok 4.6](https://noometry.com/compare/glm-5-3-vs-grok-4-6)
    
3.  ## [DeepSeek V4 Pro](https://noometry.com/models/deepseek-v4-pro) DeepSeek
    
    2.6 points behind Grok 4.6, 3.0× cheaper per token; open weights.
    
    Score 54.3, $0.99 per M tokens blended.[Compare with Grok 4.6](https://noometry.com/compare/deepseek-v4-pro-vs-grok-4-6)
    
4.  ## [MiMo-V2.6-Pro](https://noometry.com/models/mimo-v2-6-pro) Xiaomi
    
    6.6 points behind Grok 4.6, 5.5× cheaper per token; open weights.
    
    Score 50.3, $0.54 per M tokens blended.[Compare with Grok 4.6](https://noometry.com/compare/grok-4-6-vs-mimo-v2-6-pro)
    
5.  ## [Inkling-Small](https://noometry.com/models/inkling-small) Thinking Machines Lab
    
    10.4 points behind Grok 4.6, 4.7× cheaper per token; open weights.
    
    Score 46.5, $0.64 per M tokens blended.[Compare with Grok 4.6](https://noometry.com/compare/grok-4-6-vs-inkling-small)
    
6.  ## [Qwen3.5 397B-A17B](https://noometry.com/models/qwen3-5-397b-a17b) Alibaba (Qwen)
    
    10.8 points behind Grok 4.6, 2.2× cheaper per token; open weights.
    
    Score 46.0, $1.35 per M tokens blended.[Compare with Grok 4.6](https://noometry.com/compare/grok-4-6-vs-qwen3-5-397b-a17b)
    
7.  ## [Hy4 preview](https://noometry.com/models/hy4-preview) Tencent
    
    11.6 points behind Grok 4.6, 2.7× cheaper per token; open weights.
    
    Score 45.3, $1.13 per M tokens blended.[Compare with Grok 4.6](https://noometry.com/compare/grok-4-6-vs-hy4-preview)
    
8.  ## [MiniMax-M3](https://noometry.com/models/minimax-m3) MiniMax
    
    13.1 points behind Grok 4.6, 5.7× cheaper per token; open weights.
    
    Score 43.8, $0.52 per M tokens blended.[Compare with Grok 4.6](https://noometry.com/compare/grok-4-6-vs-minimax-m3)
    

More: [All alternatives](https://noometry.com/alternatives/grok), [Cheaper](https://noometry.com/alternatives/grok/cheaper), [For coding](https://noometry.com/alternatives/grok/coding)

## Frequently asked questions

### What is the best alternative to Grok?

The strongest open-weight alternative to Grok as of October 2026 is Kimi K3 from Moonshot AI: 2.7 points ahead of Grok 4.6, 2.0× pricier; open weights. Compared against Grok 4.6, Grok's current top model.

### How were these alternatives chosen?

Each is the highest-ranked model from a different provider with downloadable weights, compared on the Noometry Index against Grok 4.6.