How can we reliably check whether or not giant language fashions really perceive Indian languages and tradition in actual world contexts? OpenAI has launched IndQA, a benchmark that evaluates how effectively AI fashions perceive and motive about questions that matter in Indian languages throughout cultural domains.
Why IndQA?
OpenAI states that about 80 p.c of individuals worldwide don’t communicate English as their main language. But most benchmarks that measure non English capabilities are nonetheless slim and infrequently depend on translation or a number of selection codecs.
Benchmarks akin to MMMLU and MGSM at the moment are close to saturation on the prime finish, the place robust fashions cluster close to related scores. This makes it laborious to see significant progress and doesn’t check whether or not fashions perceive native context, historical past and on a regular basis life.
India is OpenAI’s place to begin for brand spanking new area centered benchmarks. India has about 1 billion individuals who don’t use English as their main language, 22 official languages with at the least 7 spoken by greater than 50 million individuals, and it’s ChatGPT’s second largest market.
Dataset, Languages And Domains
IndQA evaluates information and reasoning about Indian tradition and on a regular basis life in Indian languages. The benchmark spans 2,278 questions throughout 12 languages and 10 cultural domains, created with 261 area specialists from throughout India.
The cultural domains are Structure and Design, Arts and Tradition, On a regular basis Life, Meals and Delicacies, Historical past, Regulation and Ethics, Literature and Linguistics, Media and Leisure, Faith and Spirituality, and Sports activities and Recreation. Gadgets are written natively in Bengali, English, Hindi, Hinglish, Kannada, Marathi, Odia, Telugu, Gujarati, Malayalam, Punjabi and Tamil. Hinglish is included to replicate frequent code switching in Indian conversations.
Every datapoint incorporates 4 parts, a culturally grounded immediate in an Indian language, an English translation for auditability, rubric standards for grading and an excellent reply that encodes knowledgeable expectations.
Rubric Based mostly Analysis Pipeline
IndQA makes use of a rubric based mostly grading process as an alternative of actual match accuracy. For every query, area specialists outline a number of standards that describe what a powerful reply ought to embody or keep away from and assign a weight to every criterion.
A mannequin based mostly grader checks the candidate response towards these standards and marks which of them are glad. The ultimate rating is the sum of weights for glad standards divided by the full potential rating. This behaves like grading a brief examination reply, it helps partial credit score and captures nuance and cultural correctness, not solely floor token overlap.

Development Course of And Adversarial Filtering
OpenAI describes a 4 step building pipeline:
First, they partnered with organizations in India to recruit specialists throughout 10 domains. These specialists are native stage audio system of the goal language and English and have deep topic experience. They wrote tough, reasoning heavy prompts anchored in regional context, akin to literature, meals historical past, legislation or media.
Second, they utilized adversarial filtering. Each draft query was evaluated with OpenAI’s strongest fashions at creation time, GPT-4o, OpenAI o3, GPT-4.5 and, partially after public launch, GPT-5. Solely questions the place a majority of those fashions failed to supply acceptable solutions had been saved. This preserves headroom in order that future mannequin enhancements present up clearly on IndQA.
Third, specialists offered detailed standards for grading every query, just like an examination rubric. These standards are reused each time one other mannequin is evaluated on IndQA.
Fourth, specialists wrote supreme solutions and English translations after which carried out peer overview and iterative revisions till they signed off on high quality.
Measuring Progress On Indian Languages
OpenAI makes use of IndQA to judge latest frontier fashions and to chart progress during the last couple years on Indian languages. They report that mannequin efficiency has improved considerably on IndQA whereas nonetheless leaving substantial room for enchancment. Outcomes are stratified by language and by area and embody comparisons of GPT-5 Pondering Excessive with different frontier programs.
Key Takeaways
- IndQA is a culturally grounded Indic benchmark: IndQA evaluates how effectively AI fashions perceive and motive about questions that matter in Indian languages, throughout culturally particular domains, slightly than solely testing translation or a number of selection accuracy.
- The dataset is knowledgeable constructed and fairly giant: The benchmark incorporates 2,278 questions throughout 12 languages and 10 cultural domains, developed in collaboration with 261 area specialists from throughout India, protecting areas like structure, on a regular basis life, meals, historical past and faith.
- Analysis is rubric based mostly, not precise match: Every datapoint bundles a local language immediate, an English translation, an in depth grading rubric and an excellent reply, and mannequin outputs are graded by a mannequin based mostly system that checks weighted knowledgeable outlined standards, which allows partial credit score and nuanced cultural analysis.
- Questions are adversarially filtered towards OpenAI’s strongest fashions: Draft questions had been filtered by operating GPT 4o, OpenAI o3, GPT 4.5 and partially GPT 5, and maintaining solely these gadgets the place most of those fashions failed, which preserves headroom for future fashions on IndQA.
IndQA is a well timed step as a result of it targets an actual hole, most current multilingual benchmarks over index on English content material and translation type duties whereas India has various excessive useful resource and low useful resource languages. IndQA brings knowledgeable curated, rubric based mostly analysis for questions that matter in Indian cultural contexts, and makes use of adversarial filtering towards GPT 4o, OpenAI o3, GPT 4.5 and GPT 5 to protect headroom for frontier fashions. This launch makes IndQA a sensible north star for evaluating Indian language reasoning in trendy AI programs.

Michal Sutter is an information science skilled with a Grasp of Science in Information Science from the College of Padova. With a stable basis in statistical evaluation, machine studying, and knowledge engineering, Michal excels at remodeling advanced datasets into actionable insights.
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