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Local Qwen isn't a worse Opus, it's a different tool

blog.alexellis.io

June 18, 2026

24 min read

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67/100

Summary

Local Qwen is a distinct AI tool, not inferior to Opus, with versions 27B and 35-A3B being compared to Opus level capabilities. Evidence from software businesses and open source projects supports this differentiation.

Key Takeaways

Local Qwen models, such as 27B and 35-A3B, are distinct tools that provide value in specific business use cases, despite being compared to Opus models.
The author experienced a return on investment for local models within two to three months, although they still do not trust these models for unsupervised tasks due to risks of infinite loops and hallucinations.
The author has developed various open-source projects and tools, including OpenFaaS and SlicerVM, focusing on efficiency, user experience, and control in software infrastructure.
The cost of top-end coding plans for AI tools settled around $200 per month for individuals, which is considered tolerable for the value generated.

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Community Sentiment

Mixed

Positives

Local models, like Qwen, are seen as essential extensions of personal computing, reflecting the evolution of technology similar to early personal computers.
The ability to run multiple models simultaneously has significantly boosted productivity, enabling users to tailor AI tools for specific tasks effectively.
The flexibility of local models allows for creative prompting techniques, enhancing user interaction and output quality, particularly in coding and research tasks.

Concerns

Local models are often limited in handling long or complex tasks, which can lead to issues like task forgetting and looping, raising concerns about their practical utility.
The high operational costs associated with running local models, including hardware and electricity, make them less accessible for some users.
LLM benchmarks are deemed unreliable indicators of real-world performance, suggesting that users may face discrepancies between expected and actual capabilities.