# AI21: AI21 > AI21's Forward\-Deployed Researchers post\-train specialized models for your task, creating an AI edge your competitors can’t buy\. Generated by Yoast SEO v28.7, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [Homepage](https://www.ai21.com/) - [Careers](https://www.ai21.com/careers/): Join the Panorays team\. Be part of a positive, friendly environment in an ever\-growing market, with a mission to change how companies do business together\. - [Talk to a training expert](https://www.ai21.com/contact-sales/) - [About](https://www.ai21.com/about/) - [Post\-Training](https://www.ai21.com/post-training/) ## Posts - [AI21 Partners with Gong, Deel and Alice to Post\-Train Specialized Models on NVIDIA Nemotron 3\.5 Super VL](https://www.ai21.com/blog/ai21-post-trains-nvidia-nemotron-35-super-vl/) - [The verifiability litmus test for agent design](https://www.ai21.com/blog/the-verifiability-litmus-test-for-agent-design/): A year of agent research comes down to one question: can a candidate answer be checked? We apply it to agentic search, deep research, RAG indexing and coding, with state\-of\-the\-art results on BrowseComp\-Plus, DeepResearch Bench II and SWE\-Bench Pro\. - [The hidden mismatch: Evaluating coding agents on the work developers actually do](https://www.ai21.com/blog/evaluating-coding-agents-on-the-work-developers-actually-do/): The results challenged our assumptions about agentic coding tasks, and we used these lessons to build a robust benchmark that preserves quality on real\-world coding tasks in our intelligent gateway\. - [From manual negotiation to automated scheduling: How AI21 manages its GPU fleet with Kueue](https://www.ai21.com/blog/how-ai21-manages-its-gpu-fleet-with-kueue/) - [You don't need a frontier model\. You need a verifier\.](https://www.ai21.com/blog/you-need-a-verifier/) ## Glossary - [What is an Agentic Trajectory?](https://www.ai21.com/glossary/ai-agent/what-is-an-agentic-trajectory/) - [What is an Orchestration Layer?](https://www.ai21.com/glossary/foundational-llm/orchestration-layer/) - [What is Model Context Protocol \(MCP\)?](https://www.ai21.com/glossary/ai-agent/what-is-model-context-protocol-mcp/) - [What is State Mutation in AI Agents?](https://www.ai21.com/glossary/ai-agent/what-is-state-mutation-in-ai-agents/) - [What is Parallel Subagent Execution?](https://www.ai21.com/glossary/ai-agent/what-is-parallel-subagent-execution/) ## Knowledge Hub - [What are AI Hallucinations? Signs, Risks, \& Prevention](https://www.ai21.com/knowledge/ai-hallucinations/) - [AI Security: Risks, Frameworks \& Best Practice](https://www.ai21.com/knowledge/ai-security/) - [Enterprise LLM: Adoption, Use Cases \& Deployment](https://www.ai21.com/knowledge/enterprise-llm/) - [What is Prompt Engineering? Techniques \& Use Cases](https://www.ai21.com/knowledge/prompt-engineering/) - [What is a Foundation Model? Types, Applications \& Benefits](https://www.ai21.com/knowledge/foundation-model/) ## Events - [AI21 at NVIDIA GTC Berlin 2026](https://www.ai21.com/events/gtc-berlin-2026/) - [The New Pioneers: Growing Israel’s AI Advantage](https://www.ai21.com/events/the-new-pioneers/) - [AI Engineer World's Fair 2026](https://www.ai21.com/events/ai-engineer-worlds-fair-2026/) - [The Post\-Model Era and what it means for Enterprise AI](https://www.ai21.com/events/the-post-model-era/) - [AI All the Work \- Ori Goshen's Keynote at RAISE Summit 2025](https://www.ai21.com/events/ai-all-the-work/) ## Researches - [When “gold\-like” answers mask functional failures on coding agent benchmarks](https://www.ai21.com/research/when-gold-like-answers-mask-functional-failures-on-coding-agent-benchmarks/) - [How a 32\-bit overflow corrupted a CUDA kernel](https://www.ai21.com/research/how-a-32-bit-overflow-corrupted-a-cuda-kernel/) - [Modular intelligence: a human\-like model for agent orchestration](https://www.ai21.com/research/modular-intelligence-a-human-like-model-for-agent-orchestration/) - [Go big or go OOM: the art of scaling vLLM](https://www.ai21.com/blog/scaling-vllm-without-oom/) - [One token to corrupt them all: a vLLM debugging tale](https://www.ai21.com/blog/vllm-debugging-mamba-bug/) ## Resources - [Fnac Darty Taps AI21 to Accelerate Product Description Generation](https://www.ai21.com/resources/case-studies/product-description/) - [Global Aerospace Leader Uses AI21 to Cut FAA Document Search Time](https://www.ai21.com/resources/case-studies/compliance-monitoring/) ## YAAP - [OpenAI Banned Me for Building This](https://www.ai21.com/yaap/openai-banned-me-for-building-this/): MCP wasn't enough, so Corey J\. Gallon wired his agent straight into Chrome\. It could share his browser session, beat CAPTCHAs, even take over mid\-task\. Then OpenAI tried to ban him for it\. Yuval gets the full story: CDP, scraping, outreach automation, and how he talked his way out of the ban\. - [Your Code Doesn't Need to Be Readable Anymore](https://www.ai21.com/yaap/your-code-doesnt-need-to-be-readable-anymore/): Readable code was always a compromise for humans\. Explainable is the new bar\. Yuval and Geoffrey Huntley talk about why Git is already dead, why frontier intelligence plateaued a year ago, and why the next programming languages get built for agents, not people\. - [The Model Routing Paradigm That Changed My Mind](https://www.ai21.com/yaap/the-model-routing-paradigm-that-changed-my-mind/): Models are cheap\. Routing them well is not\. Yuval and Tomás break down why naive model routing quietly costs you more, and why it’s really a robotics problem in disguise\. - [Every Learner Gets Their Own Andrew](https://www.ai21.com/yaap/every-learner-gets-their-own-andrew/): Courses are built for everyone\. That means they're built for no one\. Yuval and Ryan unpack how DeepLearning\.ai is turning online education into a conversation — and why your next teacher might never have had a classroom\. - [Everything But the Model: Harness Engineering](https://www.ai21.com/yaap/everything-but-the-model-harness-engineering/): No harness, no production\. Yuval and Mike break down what harness engineering actually is, why MCP matters, and how to get your agent out of your laptop and into the world\. ## Categories - [Uncategorized](https://www.ai21.com/blog/category/uncategorized/) - [Labs in Front](https://www.ai21.com/blog/category/labs-in-front/) ## Knowledge Hub Categories - [Foundational LLM](https://www.ai21.com/knowledge_cat/foundational-llm/) - [Financial Services](https://www.ai21.com/knowledge_cat/financial-services/) - [AI Agent](https://www.ai21.com/knowledge_cat/ai-agent/) - [Private AI](https://www.ai21.com/knowledge_cat/private-ai/) - [Healthcare](https://www.ai21.com/knowledge_cat/healthcare/) ## Glossary Categories - [Foundational LLM](https://www.ai21.com/glossary/foundational-llm/) - [Financial Services](https://www.ai21.com/glossary/financial-services/) - [AI Agent](https://www.ai21.com/glossary/ai-agent/) - [Healthcare](https://www.ai21.com/glossary/healthcare/) - [Private AI](https://www.ai21.com/glossary/private-ai/) ## Optional - [Sitemap index](https://www.ai21.com/sitemap_index.xml)