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AI analysis

Feedback that reads your response.

nuttyenglish Analysis turns a Speaking or Writing submission into a structured report — score, language notes, and a next move — priced at 1 token per run.

Start freeOpen studio
Sanjab practicing a TOEFL speaking response
Analysis

  • 2

    skills

    Speaking + Writing

  • 3

    task paths

    Task 2 & Task 3 where available

  • 23

    feedback lanes

    From live Analysis API

  • 1

    token / run

    10 runs / 60 min

Speaking AI eval

Interview turns, not a cold score dump.

Submit a scenario plus four interview turns for Task 2.

  • Task 2 · 23 analysis sections — Scenario + four questions and responses. Interview-style speaking report.
  • Scenario plus four questions and four responses
  • Delivery, language use, and topic-development notes
Sanjab with a microphone for speaking practice
Speaking

Writing AI eval

Turn a draft into a stronger response.

Paste a prompt and response for Task 2 or Task 3.

  • Task 2 · 11 analysis sections — Question + answer. Sections run as a structured writing report.
  • Task 3 · 12 analysis sections — Question + answer. Academic Discussion writing report.
  • Question + answer textareas aligned to the Analysis API
  • Organization, development, and language-use feedback
Sanjab writing notes for a TOEFL essay
Writing

Inside a report

What the report can include.

Sections depend on skill and task. The studio renders each completed lane as you wait — no fake charts, only structured feedback from the Analysis API.

  • overview

    Overview

    Score, summary, and criterion notes for the response you submitted.

  • strengthsWeaknesses

    Strengths & weaknesses

    What already works, and what to fix before the next attempt.

  • suggestions

    Suggestions

    Concrete coaching moves you can apply on the next draft or recording.

  • sentenceAnalysis

    Sentence analysis

    Line-by-line notes tied to the sentences you actually wrote or said.

  • vocabulary

    Vocabulary

    Word choices drawn from your own answer — not a generic word list.

  • grammar

    Grammar

    Structures to tighten, with examples rooted in your response.

  • collocations

    Collocations

    Natural word partnerships that make the answer sound more native.

  • phrasalVerbs

    Phrasal verbs

    Useful multi-word verbs that fit the topic you were answering.

  • idioms

    Idioms

    Idiomatic options when they fit the register of the task.

  • sampleEssay

    Sample answer

    A model response to study structure, development, and language use.

  • brainstorm

    Brainstorm

    Idea sparks when the prompt needs more development or coverage.

  • example

    Examples

    Supporting examples you can reuse or adapt in a rewrite.

Writing · Task 2

11 live sections

  1. 01BrainstormIdea sparks when the prompt needs more development or coverage.
  2. 02ExamplesSupporting examples you can reuse or adapt in a rewrite.
  3. 03Sentence by SentenceStructured feedback for this part of the report.
  4. 04VocabularyStructured feedback for this part of the report.
  5. 05CollocationsStructured feedback for this part of the report.
  6. 06IdiomsStructured feedback for this part of the report.
  7. 07Phrasal VerbsStructured feedback for this part of the report.
  8. 08GrammarStructures to tighten, with examples rooted in your response.
  9. 09ScoreStructured feedback for this part of the report.
  10. 10Strengths & WeaknessesStructured feedback for this part of the report.
  11. 11Sample AnswerStructured feedback for this part of the report.

Writing · Task 3

12 live sections

  1. 01SummaryStructured feedback for this part of the report.
  2. 02BrainstormIdea sparks when the prompt needs more development or coverage.
  3. 03ExamplesSupporting examples you can reuse or adapt in a rewrite.
  4. 04Sentence by SentenceStructured feedback for this part of the report.
  5. 05VocabularyStructured feedback for this part of the report.
  6. 06CollocationsStructured feedback for this part of the report.
  7. 07IdiomsStructured feedback for this part of the report.
  8. 08Phrasal VerbsStructured feedback for this part of the report.
  9. 09GrammarStructures to tighten, with examples rooted in your response.
  10. 10ScoreStructured feedback for this part of the report.
  11. 11Strengths & WeaknessesStructured feedback for this part of the report.
  12. 12Sample AnswerStructured feedback for this part of the report.

Speaking · Task 2

23 live sections

  1. 01SummaryStructured feedback for this part of the report.
  2. 02Question TypesStructured feedback for this part of the report.
  3. 03Response StructureStructured feedback for this part of the report.
  4. 04Opening & Cold StartStructured feedback for this part of the report.
  5. 05Fluency & LengthStructured feedback for this part of the report.
  6. 06Discourse MarkersStructured feedback for this part of the report.
  7. 07Expansion StrategyStructured feedback for this part of the report.
  8. 08Organization & RelevancyStructured feedback for this part of the report.
  9. 09Sentence by SentenceStructured feedback for this part of the report.
  10. 10VocabularyStructured feedback for this part of the report.
  11. 11CollocationsStructured feedback for this part of the report.
  12. 12IdiomsStructured feedback for this part of the report.
  13. 13Phrasal VerbsStructured feedback for this part of the report.
  14. 14GrammarStructures to tighten, with examples rooted in your response.
  15. 15Intonation & ProsodyStructured feedback for this part of the report.
  16. 16Cross-Question CoherenceStructured feedback for this part of the report.
  17. 17Q4 Debate CoachStructured feedback for this part of the report.
  18. 18Time ArchitectureStructured feedback for this part of the report.
  19. 19BrainstormIdea sparks when the prompt needs more development or coverage.
  20. 20ExamplesSupporting examples you can reuse or adapt in a rewrite.
  21. 21ScoreStructured feedback for this part of the report.
  22. 22Strengths & WeaknessesStructured feedback for this part of the report.
  23. 23Sample AnswerStructured feedback for this part of the report.

How a run works

Submit. Wait. Study the lanes.

  1. Choose skill and task

    Writing Task 2 or 3, or Speaking Task 2 — forms match the Analysis API fields exactly.

  2. Spend 1 token

    Balance is checked before the run. Rate limit: 10 submissions per 60 minutes.

  3. Read the report by section

    Horizontal section rail, live status per lane, and structured results when each section completes.

Ready when you are

Run your next analysis.

Create an account, grab tokens, and open the studio. Pair the report with free TOEFL articles when you need the scoring why.

Start practicingRead the guides
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