Evaluation & Testing

TextFlint

A unified multilingual robustness evaluation toolkit for NLP.

Status
UnmaintainedNo commits in 1527 days.
Last checked
Checked · Oct 13, 2026
License
Open source
Pricing
Free tier · from $0

What it is

TextFlint is a comprehensive toolkit designed to evaluate the robustness of natural language processing models across multiple languages. It provides developers and researchers with tools to test model resilience against various adversarial attacks, ensuring more reliable AI systems.

TextFlint stands out by offering a unified framework for evaluating the robustness of NLP models across multiple languages and adversarial scenarios, making it ideal for researchers and developers focused on enhancing model reliability.

When it fits — and when it doesn’t

A good fit for

  • Researchers looking to evaluate and improve the robustness of their NLP models against adversarial attacks.

  • Development teams working on multilingual NLP projects who need a comprehensive evaluation toolkit.

Look elsewhere if

  • Projects requiring real-time performance testing, as TextFlint is primarily for offline evaluation.

  • Teams looking for a cloud-based service rather than an open-source library.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited support for some less common adversarial attacks

    Documentation lacks examples or tools for certain niche attack vectors

  2. 02

    Performance issues with large datasets

    Evaluation processes can be slow and resource-intensive on big data sets

What it does well

  • Unified evaluation framework for NLP robustness

  • Supports multiple languages and adversarial attacks

  • Extensive documentation and community support

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up TextFlint

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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TextFlint — tracked on AI Navigator

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