One place to prep for AI interviews and exams.
A structured platform for AI practice. Every question ships with tiered answers, deep dives, common mistakes and follow up questions. Spaced repetition on your weak spots, instantly evaluated answers, company packs, and formats built for real interviews and assessments.
Topics that interviewers actually ask
Attention Mechanism
The mechanism that lets each token attend to every other token. Self-attention, multi-head, scaled dot-product, MQA, GQA, FlashAttention, KV cache.
Fine-Tuning
Adapting base models for downstream use. SFT, LoRA, QLoRA, PEFT, distillation. When to fine-tune vs RAG vs prompt engineering.
Context Engineering
Managing what the model sees. Context window strategy, memory, compression, lost-in-the-middle, summarization-as-context, RAG-as-context patterns.
Retrieval-Augmented Generation
Grounding LLM responses in external knowledge. Chunking strategies, retrieval, reranking, query rewriting, hybrid search, generation, end-to-end evaluation.
AI Agents
Multi-step LLM systems. ReAct, Plan-and-Execute, memory, tool use, planning, reflection, multi-agent orchestration, trajectory evaluation.
Inference Optimization
Serving LLMs at scale. KV cache, FlashAttention, speculative decoding, quantization, batching, vLLM, TensorRT-LLM, TTFT vs TPOT tradeoffs.
Reasoning Models
Frontier inference-time compute. o1, o3, DeepSeek R1, thinking tokens, process reward models, extended chain-of-thought, MCTS-style search.
LLM Frameworks
Picking and using the right abstractions. LangChain, LlamaIndex, DSPy, AutoGen, CrewAI, Mastra, Vercel AI SDK, when to use each and their tradeoffs.
LLM System Design
End-to-end production architectures. Multi-tenant serving, rate limiting, prompt caching, model routing, cost models, latency budgets, fallback strategies.
Prep for the company you're actually interviewing at
OpenAI
Frontier AI lab building GPT-class models, Codex, and ChatGPT.
Cohere
Canadian enterprise AI lab behind Command R+, Embed v4, and the industry-standard Rerank model, RAG-first by design.
Mistral AI
Paris-based AI lab shipping open-weight and commercial frontier models, Mistral Large 3, Mixtral MoE, Codestral, Pixtral.
Databricks
Data + AI platform behind DBRX and Mosaic AI Agent Framework, owns MosaicML (acquired 2023 for $1.3B) and runs Spark at planetary scale.
Anthropic
AI safety lab behind Claude, focused on building reliable, interpretable, steerable AI systems.
Microsoft
Microsoft AI products (Copilot, Azure AI Studio) and Microsoft Research.
NVIDIA
Hardware + software stack for AI, GPUs, CUDA, TensorRT, NeMo, Triton.
Perplexity
AI-powered search engine, the canonical production RAG product.
Cursor
AI-first code editor; agent-driven coding workflows.
Sarvam AI
Indian AI startup building foundation models for Indian languages.
Big-tech AI employer behind Gemini, Imagen, and large-scale ML infrastructure (Brain + DeepMind research).
Meta
Big-tech AI employer behind Llama, PyTorch, and large-scale recommender + GenAI systems.
Hugging Face
Promote from provisional; strong pack depth.
Pinecone
Promote from provisional; vector DB leader.
Qdrant
Promote; vector DB with growing interview signal.
Amazon
AWS Bedrock/SageMaker + Alexa AI roles.
DeepSeek
Open-weight frontier lab; high candidate interest.
Fireworks AI
Promote; fast inference platform employer.
LangChain
Promote; agent framework company (LangSmith merges here).
Scale AI
Promote; data labeling + RLHF employer.
Together AI
Promote; inference/training cloud employer.
Weights & Biases
Promote; MLOps/LLMOps platform employer.
AI4Bharat
Promote; IIT Madras Indic AI research org with hiring.
Anduril
Defense AI + autonomy employer.
Cerebras
Wafer-scale AI training hardware employer.
CoreWeave
GPU cloud for AI training/inference.
Figure AI
Humanoid robotics + foundation models employer.
Fractal Analytics
Indian AI/analytics consulting employer.
Groq
LPU inference hardware + cloud employer.
IBM
watsonx + Granite model stack employer.
Inflection AI
Pi assistant lab; Microsoft partnership hiring.
Lambda
GPU cloud + hardware for AI workloads.
Palantir
AIP platform + forward-deployed AI roles.
Runway
Video generative AI product employer.
Salesforce
Einstein AI + Agentforce product hiring.
Shield AI
Autonomous aircraft AI employer.
Stability AI
Open image/video generative AI employer.
Tesla
Autopilot/FSD + Optimus AI roles.
Yellow.ai
Indian conversational AI platform employer.
Anyscale
Ray distributed ML platform employer.
Cloudflare
Workers AI + edge inference product roles.
Datadog
LLM observability + Bits AI product roles.
Elastic
Elasticsearch vector search + RAG roles.
Neo4j
GraphRAG + knowledge graph AI roles.
Redis
Vector search + AI cache layer employer.
Replicate
Model hosting/inference platform employer.
Synthesia
AI video avatar product employer.
Uniphore
Indian-origin conversational AI platform.
Writer
Enterprise generative AI platform employer.
Patronus AI
Hallucination / faithfulness / safety eval startup; ships Lynx OSS hallucination detector.
Adobe
Firefly generative AI + Sensei ML roles.
AI21 Labs
Jurassic-class LLM lab employer.
Apple
On-device ML + Apple Intelligence roles.
ByteDance
TikTok/Doubao AI roles; parent corporate slug.
Character.AI
Consumer AI chat product employer.
Copy.ai
Marketing copy generative AI employer.
ElevenLabs
Voice AI synthesis product employer.
Glean
Enterprise AI search product employer.
Harvey
Legal generative AI product employer.
Hebbia
AI document intelligence product employer.
Jasper
Marketing generative AI product employer.
Krutrim
Promote; Ola Krutrim Indic LLM employer.
Midjourney
Image generation product employer.
MongoDB
Vector search + Atlas AI feature hiring.
Notion
Notion AI product engineering roles.
Observe.AI
Contact center AI with India engineering.
Oracle
OCI AI + database AI feature hiring.
SambaNova
AI hardware + enterprise model platform.
Snowflake
Data cloud with Cortex AI product hiring.
Typeface
Enterprise brand generative AI employer.
xAI
Frontier lab; Grok-class models.
9 question formats. Pick one.
The answer is only the start. Deep dives, mistakes, and follow ups interviewers ask.
Personalized daily set
A mix of your weak topics, new questions, and review, picked for you every day. Pro tier.
Instantly evaluated answers
Write or speak your answer and get a score, missing concepts, and an improved version. Instant feedback built for real interview and exam prep.
Mastery tracking
Per topic mastery score updates with every attempt. See where you are; know what to drill next.
Company packs
Curated question sets shaped by interview patterns at top AI labs and AI-native startups.
Spaced repetition
Questions you missed come back on a schedule tuned to how you answered. Pro tunes the schedule per question.
Readiness score
Know how ready you are per role: GenAI Engineer, RAG Engineer, AI Product Engineer, AI Researcher, LLMOps Engineer, and AI Product Manager.