Noometry

Alternatives

Best GLM Alternatives in October 2026

The strongest alternative to GLM as of October 2026 is GPT-6 Astra from OpenAI: 15.9 points ahead of GLM-5.3, 9.3× pricier. Compared against GLM-5.3, GLM's current top model.

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  1. GPT-6 Astra OpenAI

    15.9 points ahead of GLM-5.3, 9.3× pricier.

    Score 70.8, $20 per M tokens blended.Compare with GLM-5.3

  2. Claude Fable 5.1 Anthropic

    14.2 points ahead of GLM-5.3, 9.3× pricier.

    Score 69.0, $20 per M tokens blended.Compare with GLM-5.3

  3. Gemini 3.8 Flash Google

    7.0 points ahead of GLM-5.3, 1.4× cheaper per token.

    Score 61.8, $1.50 per M tokens blended.Compare with GLM-5.3

  4. Kimi K3 Moonshot AI

    4.7 points ahead of GLM-5.3, 2.8× pricier; open weights.

    Score 59.5, $6 per M tokens blended.Compare with GLM-5.3

  5. Grok 4.6 xAI

    2.0 points ahead of GLM-5.3, 1.4× pricier.

    Score 56.9, $3 per M tokens blended.Compare with GLM-5.3

  6. Qwen3.8 Max Alibaba (Qwen)

    1.9 points ahead of GLM-5.3, 1.4× pricier.

    Score 56.8, $3 per M tokens blended.Compare with GLM-5.3

  7. Muse Spark 1.3 Meta

    about as strong as GLM-5.3, 1.1× cheaper per token.

    Score 54.8, $2 per M tokens blended.Compare with GLM-5.3

  8. DeepSeek V4 Pro DeepSeek

    about as strong as GLM-5.3, 2.2× cheaper per token; open weights.

    Score 54.3, $0.99 per M tokens blended.Compare with GLM-5.3

More: Open-source, Cheaper, For coding

Frequently asked questions

What is the best alternative to GLM?

The strongest alternative to GLM as of October 2026 is GPT-6 Astra from OpenAI: 15.9 points ahead of GLM-5.3, 9.3× pricier. Compared against GLM-5.3, GLM'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 GLM-5.3.