Noometry

Alternatives

Best ChatGPT Alternatives for Coding in October 2026

The strongest alternative to ChatGPT for coding as of October 2026 is Claude Fable 5.1 from Anthropic: about as strong as GPT-6 Astra, same price. Compared against GPT-6 Astra, ChatGPT's current top model.

Last verified

  1. Claude Fable 5.1 Anthropic

    about as strong as GPT-6 Astra, same price.

    Score 74.7, $20 per M tokens blended.Compare with GPT-6 Astra

  2. Gemini 4 Argon Google

    11.7 points behind GPT-6 Astra.

    Score 62.0, no API price.Compare with GPT-6 Astra

  3. Kimi K3 Moonshot AI

    12.7 points behind GPT-6 Astra, 3.3× cheaper per token; open weights.

    Score 61.0, $6 per M tokens blended.Compare with GPT-6 Astra

  4. GLM-5.3 Z.ai (Zhipu)

    14.2 points behind GPT-6 Astra, 9.3× cheaper per token; open weights.

    Score 59.5, $2.15 per M tokens blended.Compare with GPT-6 Astra

  5. Grok 4.6 xAI

    15.2 points behind GPT-6 Astra, 6.7× cheaper per token.

    Score 58.5, $3 per M tokens blended.Compare with GPT-6 Astra

  6. Muse Spark 1.3 Meta

    17.1 points behind GPT-6 Astra, 10.0× cheaper per token.

    Score 56.6, $2 per M tokens blended.Compare with GPT-6 Astra

  7. MiMo-V2.6-Pro Xiaomi

    18.2 points behind GPT-6 Astra, 36.8× cheaper per token; open weights.

    Score 55.5, $0.54 per M tokens blended.Compare with GPT-6 Astra

  8. Qwen3.8 Max Alibaba (Qwen)

    20.2 points behind GPT-6 Astra, 6.7× cheaper per token.

    Score 53.5, $3 per M tokens blended.Compare with GPT-6 Astra

More: All alternatives, Open-source, Cheaper

Frequently asked questions

What is the best alternative to ChatGPT for coding?

The strongest alternative to ChatGPT for coding as of October 2026 is Claude Fable 5.1 from Anthropic: about as strong as GPT-6 Astra, same price. Compared against GPT-6 Astra, ChatGPT's current top model.

How were these alternatives chosen?

Each is the highest-ranked model from a different provider, compared on the Noometry coding score against GPT-6 Astra.