🏆 Top 10 GPT & LLM Integration Agencies
Ranked by rating, verified review count, and track record. Updated for 2026.
| # | Agency | Rating | Team Size | |
|---|---|---|---|---|
| 1 | ModelTech | — | 200+ people | View |
| 2 | PromptDev | — | 200+ people | View |
| 3 | EmbedTech | — | 2–10 people | View |
| 4 | ChatDev | — | 2–10 people | View |
| 5 | InferenceDev | — | 51–200 people | View |
| 6 | InferenceTech | — | 2–10 people | View |
| 7 | GenTech | — | 2–10 people | View |
| 8 | TokenDev | — | 2–10 people | View |
| 9 | VectorTech | — | 200+ people | View |
| 10 | LangDev | — | 200+ people | View |
ModelTech
Custom LLM fine-tuning, RAG architecture, and AI agent development for enterprise applications.
PromptDev ✓ Verified
Helping product teams integrate generative AI capabilities quickly, safely, and cost-effectively.
EmbedTech
AI-powered chatbot, copilot, and document Q&A solutions built on leading language models.
ChatDev
GPT and LLM integration agency embedding ChatGPT, Claude, and Gemini into your products.
InferenceDev ✓ Verified
Helping product teams integrate generative AI capabilities quickly, safely, and cost-effectively.
InferenceTech
Prompt engineering, vector database setup, and production LLM deployment consultancy.
GenTech ✓ Verified
LLM evaluation, safety, and reliability engineering for production AI product deployments.
TokenDev ✓ Verified
GPT and LLM integration agency embedding ChatGPT, Claude, and Gemini into your products.
VectorTech
Custom LLM fine-tuning, RAG architecture, and AI agent development for enterprise applications.
LangDev ✓ Verified
Custom AI assistants, content generation pipelines, and knowledge base automation.
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