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AI Reviews

Independent, benchmark-driven reviews of AI tools, models, and services. We test across real-world tasks, compare pricing honestly, and surface the differences that actually matter—whether you are choosing between ChatGPT and Claude or evaluating the latest coding LLMs.

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AI Reviews·

7 Best AI Writing Tools in 2026 (We Tested 20+)

We tested 20+ AI writing tools for 6 weeks. Only 7 are worth using. Here are the winners for bloggers, marketers, and teams, with real pros, cons, and pricing.

By Marcus Webb · 11 min read

All AI Reviews Articles

GLM-5.1 coding benchmark score of 45.3 compared to Claude Opus 4.6 score of 47.9 on the Z.AI evaluation harness, released March 27 2026
AI Reviews

GLM-5.1 Review: The $3 Model That Scored 94.6% of Claude Opus 4.6 in Coding

Z.AI released GLM-5.1 on March 27, 2026. After independent verification in April, it posted a verified SWE-Bench Pro score of 58.4, officially surpassing GPT-5.4. Trained on zero Nvidia hardware. Accessible for $3 a month. Here is a full research-backed analysis of what it is, how it was built, and whether it is worth switching to. To see live comparisons of GLM-5.1 against Western models, check our [AI Tool Directory](/tools).

11 min read