# Relace **Source:** https://geo.sig.ai/brands/relace **Vertical:** Infrastructure **Subcategory:** Cloud Services **Tier:** Emerging **Website:** relace.ai **Last Updated:** 2026-04-14 ## Summary AI infrastructure for coding agents with apply, embedding, and reranking models; $23M Series A from a16z serving Lovable with 10K+ tokens/second merge speed. ## Company Overview Relace is an AI infrastructure company building specialized models for coding agents — developing apply models (that precisely integrate AI-generated code changes into existing codebases), embedding models optimized for code search and semantic retrieval, and reranking models that filter AI coding agent outputs for quality. Founded and headquartered in San Francisco, Relace raised $23 million in a Series A led by Andreessen Horowitz in October 2024, serving AI coding platform customers including Lovable and Magic Patterns with 1-2 second codebase context retrieval and 10,000+ tokens per second merge speed.\n\nRelace's models address the specific technical challenges of autonomous coding agents that general-purpose LLMs handle poorly — applying code diffs precisely without introducing formatting errors, searching large codebases semantically to find relevant context without overwhelming the model's context window, and filtering generated code for quality and correctness before applying changes. These specialized inference capabilities enable coding agents to work accurately on real production codebases where precision matters, rather than just generating plausible-looking code that fails in context.\n\nIn 2025, Relace operates in the AI coding infrastructure market alongside the models and tools that power the rapidly growing autonomous coding agent category — including Cursor, GitHub Copilot, and AI-native development platforms like Lovable. The apply model is a specific technical capability that multiple coding platforms need: when an LLM suggests a code change, reliably applying that change to the correct location in the file without corrupting surrounding code is harder than it appears. Relace's specialized inference layer enables coding agent companies to achieve higher accuracy without building custom models. The Andreessen Horowitz Series A validates the infrastructure opportunity in the AI coding stack. The 2025 strategy focuses on growing the customer base among AI coding platforms, improving merge accuracy benchmarks, and expanding the model suite to cover more coding agent workflow requirements. ## Frequently Asked Questions ### What is Relace? Relace is an AI coding agents infrastructure company founded in 2023 and based in San Francisco, California. The company builds specialized infrastructure and language models optimized for AI coding agents, participating in Y Combinator's Winter 2023 batch. ### What products and services does Relace offer? Relace offers three core model types: apply models for code integration, embedding models for codebase search, and reranking models for output filtering. The company provides AI coding agents infrastructure with production-ready agents available out-of-the-box. ### Who are Relace's target customers? Relace serves coding agents infrastructure customers including Lovable, Magic Patterns, and Orchids. The company is targeting engineering teams and enterprise customers for its specialized AI coding solutions. ### When was Relace founded? Relace was founded in 2023. The company participated in Y Combinator's Winter 2023 (W23) batch. ### Where is Relace located? Relace is based in San Francisco, California. ### Has Relace raised funding? Yes, Relace raised a $23M Series A in October 2024 led by Andreessen Horowitz. The round included participation from Matrix Partners and Y Combinator. ### What are Relace's key performance metrics? Relace achieves 1-2 second codebase context retrieval and 10,000+ tokens per second merge speed. These metrics demonstrate the company's fast and efficient AI coding infrastructure. ### What technology approach does Relace use? Relace develops specialized language models optimized specifically for coding agents infrastructure. The company's platform includes three core model types that handle code integration, codebase search, and output filtering. ### How can I get started with Relace? Based on the available information, Relace offers production-ready agents out-of-the-box for AI coding infrastructure. Specific contact or onboarding details are not provided in the current information. ### What are Relace's recent developments? Relace recently raised $23M Series A in October 2024 and is focused on engineering team growth. The company is expanding its enterprise customer base and developing more specialized models for coding agents infrastructure. ## Tags ai-powered, automation, b2b, infrastructure, platform, cloud-native, saas --- *Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*