AI Persian Translators: Google vs DeepL vs ChatGPT for Farsi

You paste a Persian sentence into Google Translate and get... something. But is it accurate? We tested three AI translators with the same 10 Farsi sentences to find out which one you should actually trust.

The Test: 10 Farsi Sentences, 3 Translators

We selected sentences that cover the most common translation challenges:

1. A simple factual sentence (A1)
2. A sentence with ezafe construction
3. A compound verb
4. A colloquial/spoken sentence
5. An idiomatic expression
6. A sentence with ta'arof politeness
7. A sentence with ambiguous pronoun (no gender in Farsi)
8. A culturally specific reference
9. A sentence from a news article
10. A line of poetry (Hafez)

Results Summary

Google Translate for Farsi: Honest Review

Strengths:

• Fastest option. Instant results.
• Camera translation for reading signs and menus in Iran
• Offline mode available (download the Farsi pack)
• Handles formal/written Farsi reasonably well

Weaknesses:

• Struggles badly with colloquial Farsi. If someone texts you "کجایی؟ بیا دیگه" (where are you? come on already), Google gives you a stilted translation that misses the tone entirely.
• Compound verbs are hit-or-miss. "دست برداشتن" (to give up / stop) might get translated as "to pick up a hand."
• No context awareness. Each sentence is translated in isolation.
• Poetry translations are meaningless.

Best for: Quick lookups of formal text, reading signs in Iran, getting the gist of a long text.

DeepL for Farsi: Honest Review

Strengths:

• Often more natural English output than Google
• Better at maintaining sentence flow across paragraphs
• Good with formal and academic Persian

Weaknesses:

• Farsi support was added later and is less mature than European languages
• Colloquial Farsi performance is actually worse than Google
• Sometimes "smooths over" nuance in a way that loses the original meaning
• No camera or offline mode for Farsi

Best for: Translating formal documents, articles, and academic text.

ChatGPT for Farsi Translation: Honest Review

Strengths:

• Context-aware. You can say "this is a text message between friends" and it adjusts register
• Handles idioms significantly better because it understands meaning, not just words
• You can ask follow-up questions: "why did you translate it that way?"
• Can distinguish formal vs. colloquial when prompted
• Provides transliteration on request

Weaknesses:

• Slower than Google or DeepL
• Occasionally confident about wrong translations (hallucination)
• Not available offline
• No camera translation

Best for: Understanding nuanced text, getting explanations alongside translations, translating colloquial Farsi.

Specific Examples

Compound Verb Test

Farsi: دلم برات تنگ شده Literal: My heart has become tight for you Meaning: I miss you

Colloquial Test

Farsi: داری چیکار می‌کنی؟ بیا بریم یه چیزی بخوریم Register: Casual, spoken

When to Use Each Translator

A Warning About All AI Translators

No translator handles these well:

• Regional dialects (Isfahani, Shirazi, Dari) -- all default to Tehran standard
• Slang that changes yearly -- AI training data is always behind
• Intentional ambiguity -- Persian speakers use vague language on purpose (especially in ta'arof), and AI tries to make it specific
• Script variations -- If someone writes in Finglish (romanized Farsi), only ChatGPT handles it reasonably

The Learner's Approach to Translation Tools

Don't use translators to avoid learning. Use them to accelerate it:

1. Try to understand the Farsi yourself first
2. Use the translator to check your understanding
3. Note any differences between your guess and the translation
4. Save new vocabulary to your SRS app
5. Move on

Translation tools are training wheels. The goal is to stop needing them.

Read more: Can ChatGPT Teach You Farsi? | Best Free AI Tools for Farsi

Part of our AI Tools for Learning Farsi series.

Get it wrong and the worst that happens is a warm laugh and a story they’ll tell for years. Get it right — refuse the tea twice, accept on the third — and you’ll watch a face open up. You didn’t just speak Persian. You played the game.