GPT 5.6 Sol vs Fable 5 vs Grok 4.5 (Honest Deep Test) | I'm Not Surprised

GPT 5.6 Sol vs Fable 5 vs Grok 4.5 (Honest Deep Test) | I'm Not Surprised

🎙 Astro K Joseph 👥 85K 📅 July 13, 2026 ⏱ 22 min 👁 3K 📄 news review 🧭 2026-09-17
Available in: English (current) Français

Keywords

AI modelsbenchmarktestGPT-5.6Claude Fable 5

Summary

The video compares three recent frontier AI models—GPT-5.6 Sol, Claude Fable 5, and Grok 4.5—through three practical tasks: creating a Mac OS desktop mockup, a landing page for a Japanese denim brand, and a browser-based 3D game. The creator uses Cursor IDE with the same prompts for each model and evaluates the outputs visually. He also references external benchmarks from Artificial Analysis to show relative scores and costs. His personal ranking places Claude Fable 5 first for overall polish and functionality, GPT-5.6 Sol second, and Grok 4.5 third. He notes that Fable 5 is the most expensive. The video also includes a sponsored segment demonstrating TestSprite, an autonomous testing agent. The methodology is subjective but offers a real-world perspective on model capabilities.

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Critical Evaluation

Value of the Information & Strength of the Argument

The value of the video lies in its practical, user-centric approach to evaluating AI models, moving beyond static benchmarks to real code generation tasks. The argumentation is based on direct observation and personal experience, which gives an intuitive sense of each model’s strengths and weaknesses. However, the tests are not rigorously controlled—no quantitative metrics are provided, and the evaluation criteria are subjective (e.g., ‘polished’ UI). The sponsor segment may affect objectivity, though the core comparison appears genuine.

Scientific Rigor, Source Quality, Title Accuracy

The video cites Artificial Analysis as an external source for benchmarks, which adds some credibility. The GitHub repository is provided for reproducibility, but the subjective scoring and lack of blind evaluation limit scientific rigor. The title accurately reflects the content, though the phrase ‘Honest Deep Test’ suggests a thoroughness that the actual methodology only partially delivers. No user comments were provided, so audience reception cannot be assessed.

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Title / Content Match

The title accurately describes the content: a direct comparison of GPT-5.6 Sol, Claude Fable 5, and Grok 4.5 through practical tests.

Quality & Reliability

5/10

The video provides a hands-on comparison of three AI models with subjective rankings. External benchmarks are cited but the testing methodology lacks rigor and repeatability. Sponsorship may introduce bias.

Key Moments

Cited Sources

  • Artificial Analysis — Used as the external source for benchmark scores and cost comparisons.
  • AI Model Test Repo — GitHub repository containing the prompts and code used in the tests.
  • TestSprite — Sponsored tool for automated software testing, demonstrated in the video.
  • TestSprite Hackathon — Promotional link to a hackathon associated with TestSprite.
  • aiholiq Newsletter — Creator's newsletter for AI updates.
  • Scrimba — Affiliate link to an online coding learning platform.

External References

Contribution & Novelties

The video’s original contribution is a side-by-side comparison of three cutting-edge AI models on realistic coding tasks, offering a qualitative feel for their capabilities. It highlights differences in output quality, speed, and cost, which can inform user decisions.

Pour aller plus loin :

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Radar Profile

The radar profile shows moderate quantity and technical depth, but lower quality and reliability scores indicate that the subjective testing and potential bias limit the video's scientific value.

Reliability 5/10