AI vs. Human Examiner IELTS Grading: A Study of 1,200 Essays
We compared IELTSbiz's AI grader against certified human IELTS examiners. Read the data on grading alignment, error detection accuracy, and feedback precision.
6 min readJM
Jahidul Hossain Mekat
Head of AI & Computational Linguistics at IELTSbiz
Jahidul Hossain Mekat leads AI and computational linguistics at IELTSbiz, building the automated grading and feedback systems behind the writing checker and reading practice.
LinkedIn ProfileArticles by Jahidul Hossain Mekat
IELTS Band Score Conversion: How Many Answers You Need for Band 7, 8 & 9
See the IELTS Reading and Listening raw-score-to-band conversion tables. Find out how many of the 40 questions you must get right for Band 6, 6.5, 7, 7.5, 8 and 9.
7 min readIELTS Vocabulary: A 30-Day Plan to Reach Band 7+ Lexical Resource
Lexical Resource is 25% of your Writing and Speaking score. Follow this 30-day vocabulary plan with daily habits, collocations, and topic word lists for Band 7+.
9 min readWhat an AI-Based IELTS Reading Training Platform Should Do
What an AI-based IELTS Reading training platform should do: fresh exam-realistic passages, per-type training, trap-level feedback, and adaptive difficulty.
12 min readAdaptive IELTS Reading Practice With Detailed, Trap-Level Feedback
Adaptive IELTS Reading practice with detailed feedback: difficulty matched to your measured level per type, with trap-level explanations on every answer.
12 min readIELTS Listening Tips for Band 8: A Section-by-Section Strategy
IELTS Listening tips for Band 8: the ~35/40 you need, the 30-second pre-read habit, spelling and transfer rules, and how to beat Sections 3 and 4.
12 min readIELTS Score for Canada PR: Express Entry CLB Levels Explained
The IELTS score for Canada PR through Express Entry: how IELTS maps to CLB, the CLB 7 minimum, the CLB 9 sweet spot for CRS points, and which test to take.
12 min readHow IELTS Speaking Is Scored: The 4 Band Descriptors Decoded
How IELTS Speaking is scored: the four band descriptors — Fluency, Lexical Resource, Grammar, and Pronunciation — each worth 25%, decoded with what examiners reward.
12 min readIELTS Linking Words and Cohesive Devices for Band 7+ Writing
IELTS linking words and cohesive devices for Band 7+: the connectors that work by function, why overusing them lowers your score, and real cohesion beyond linkers.
12 min readHow IELTS Writing Is Scored: The 4 Band Descriptors Decoded
How IELTS writing is scored: the four band descriptors explained in plain language, Band 6 vs 7 vs 8 traits, hidden caps, and how examiners combine your band.
12 min readIELTS Paraphrasing: 6 Techniques for Writing, Reading & Speaking
IELTS paraphrasing techniques for Writing, Reading and Speaking: six methods with worked examples, the collocation traps to avoid, and a daily practice loop.
12 min readIELTS vs TOEFL vs PTE (2026): Which English Test Should You Take?
IELTS vs TOEFL vs PTE compared: format, length, scoring, speaking style, results speed, and which tests count for UK visas and Canada Express Entry.
12 min readIELTS One Skill Retake: Rules, Eligibility and When It's Worth It
IELTS One Skill Retake explained: eligibility rules, the 60-day window, who accepts it, and how to decide between a single-skill retake and a full resit.
12 min readIELTS Score for Australia PR: Points and English Levels Explained
The IELTS score for Australia PR: Competent, Proficient and Superior English thresholds, how each band earns points, and how to fix your weakest skill.
12 min readIELTS Exam Pattern and Format 2026: A Complete Section-by-Section Guide
A clear breakdown of the IELTS 2026 exam pattern - the four sections, timing, question counts and scoring for Listening, Reading, Writing and Speaking.
12 min readIELTS Band Scores Explained: What Each Band Means and How Your Overall Is Calculated
What IELTS band scores 0-9 mean, how your overall score is averaged and rounded, and how bands map to CEFR levels - with a full reference table.
12 min readIELTS Score for US Universities (2026): Requirements and How to Hit Them
Typical IELTS score requirements for US universities in 2026 - undergraduate vs graduate, competitive-school ranges, and how to reach the band you need with focused practice.
12 min readIELTS Exam Fee and Cost in 2026: Prices by Country
How much does IELTS cost in 2026? Representative IELTS exam fee ranges by country and test type, what the fee includes, UKVI and Life Skills costs, plus refunds and extras.
11 min readHow Many Times Can You Take IELTS? Retakes and One Skill Retake
There is no limit on how many times you can take IELTS and no waiting period between attempts. Learn how full retakes and the One Skill Retake work.
10 min readHow Long Are IELTS Results Valid? The 2-Year Rule Explained
An IELTS Test Report Form is normally valid for 2 years from the test date. Learn why, who sets the acceptance window, and what to do after it expires.
10 min read