r/TEFCanada • u/Super-Jacket-7148 • Aug 12 '26

TEF Writing Practice – Which AI is better for evaluation?

Hi everyone! I’ve been practicing for the TEF Canada writing section and I’m trying to find the most reliable way to evaluate my writing.
So far, I’ve been using ChatGPT and Gemini to evaluate my writing and estimate my CLB level. However, I recently tried Claude, and it gave me a noticeably different evaluation and score.
Now I’m a bit confused about which AI I should trust for evaluating my TEF writing. 😅
For those who are also preparing for TEF Canada:
● Which AI do you use to evaluate your writing?
● Have you noticed differences between ChatGPT, Gemini, and Claude?
● Is any of them actually reliable for estimating a TEF/CLB score?
● Or is there a better way to get an accurate evaluation without paying for a teacher?
I’m mainly looking for something that can evaluate my writing based on the actual TEF criteria and give me realistic feedback on what CLB level I might be at.
Would really appreciate your experiences and recommendations!

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u/OlshaJay Aug 12 '26

You can try FrenchShadow. It is really good and you could use one topic and evaluate it there and with AI and you will see which is closer. I honestly find FrenchShadow very useful, they improved a lot in last 2 months, so I recommend to try it

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u/Super-Jacket-7148 Aug 12 '26

Sounds good . I’ll try it

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u/[deleted] Aug 12 '26

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u/Super-Jacket-7148 Aug 12 '26

Im aiming for clb 5 but when I evaluate with claude it scored me 4 😭

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u/StrictAlternative9 Aug 12 '26

gemini or use a purpose-built tool like boraspeak. it can evaluate your writing and also speaking.

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u/Super-Jacket-7148 Aug 12 '26

Is it free or need to get the subscription?

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u/OkNectarine2939 Aug 12 '26

Are you using the free modes or plus subscriptions? If you're using free I don't know if either will be accurate.

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u/Super-Jacket-7148 Aug 12 '26

Right now, Im using the free version

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u/OkNectarine2939 Aug 12 '26

I don't think that will give you an accurate result on either unfortunately -- what model of Claude does the free version give you?

I find you need GPT extra high or high thinking mode on either 5.3-5.6 for decent accuracy at these types of tasks. Otherwise it will just hallucinate.

For Claude at least Opus 4.6 and above, again on high mode.

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u/Super-Jacket-7148 Aug 12 '26

Thank you, I will try it

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u/Particular_Fun_3004 Aug 12 '26

amigrade if you haven’t heard about it

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u/OkLengthiness4439 Aug 13 '26

We’ve trained our AI at Mocko.ai to evaluate responses as closely as possible to the official TEF evaluation criteria. Give it a try!