Noometry

Alternatives

Best Grok Alternatives in October 2026

The strongest alternative to Grok as of October 2026 is GPT-6 Astra from OpenAI: 13.9 points ahead of Grok 4.6, 6.7× pricier. Compared against Grok 4.6, Grok's current top model.

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  1. GPT-6 Astra OpenAI

    13.9 points ahead of Grok 4.6, 6.7× pricier.

    Score 70.8, $20 per M tokens blended.Compare with Grok 4.6

  2. Claude Fable 5.1 Anthropic

    12.2 points ahead of Grok 4.6, 6.7× pricier.

    Score 69.0, $20 per M tokens blended.Compare with Grok 4.6

  3. Gemini 3.8 Flash Google

    4.9 points ahead of Grok 4.6, 2.0× cheaper per token.

    Score 61.8, $1.50 per M tokens blended.Compare with Grok 4.6

  4. 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

  5. Qwen3.8 Max Alibaba (Qwen)

    about as strong as Grok 4.6, same price.

    Score 56.8, $3 per M tokens blended.Compare with Grok 4.6

  6. 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

  7. Muse Spark 1.3 Meta

    2.1 points behind Grok 4.6, 1.5× cheaper per token.

    Score 54.8, $2 per M tokens blended.Compare with Grok 4.6

  8. 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

More: Open-source, Cheaper, For coding

Frequently asked questions

What is the best alternative to Grok?

The strongest alternative to Grok as of October 2026 is GPT-6 Astra from OpenAI: 13.9 points ahead of Grok 4.6, 6.7× pricier. 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, compared on the Noometry Index against Grok 4.6.