cloudflare · Cloudflare Workers Docs
Workers Create a fine-tuned OpenAI model with R2
A step-by-step tutorial for building a Cloudflare Worker that retrieves fine-tuning datasets from R2 storage and transmits them to the OpenAI API to create custom models.
Derived skill
Files assembled from official documentation
Viewing SKILL.md
Workers Create a fine-tuned OpenAI model with R2
A step-by-step tutorial for building a Cloudflare Worker that retrieves fine-tuning datasets from R2 storage and transmits them to the OpenAI API to create custom models.
When To Use
Use when you need to implement a workflow that automates the process of feeding stored datasets from Cloudflare R2 into OpenAI's fine-tuning API using a Worker.
Reference Files
| File | Contains | Use For |
|---|---|---|
SKILL.md | Entry point: scope, routing table, and workflow. | Start here. |
docs/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-workflow-guide.md | A tutorial guide explaining how to use Cloudflare Workers and R2 storage to facilitate the fine-tuning of OpenAI models. | Questions about a tutorial guide explaining how to use Cloudflare Workers and R2 storage to facilitate the fine-tuning of OpenAI models. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op.text | The npm command used to initialize the Cloudflare Workers project for fine-tuning OpenAI models using R2 storage. | Exact payloads, commands, or snippets shown in The npm command used to initialize the Cloudflare Workers project for fine-tuning OpenAI models using R2 storage. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-2.text | The yarn command used to initialize the Cloudflare Workers project for fine-tuning OpenAI models with R2 storage. | Exact payloads, commands, or snippets shown in The yarn command used to initialize the Cloudflare Workers project for fine-tuning OpenAI models with R2 storage. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-3.text | The pnpm command used to initialize the Cloudflare Workers project for fine-tuning OpenAI models with R2 storage. | Exact payloads, commands, or snippets shown in The pnpm command used to initialize the Cloudflare Workers project for fine-tuning OpenAI models with R2 storage. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-4.text | Terminal commands and directory structure setup for initializing the fine-tuning project using Cloudflare Workers and R2. | Exact payloads, commands, or snippets shown in Terminal commands and directory structure setup for initializing the fine-tuning project using Cloudflare Workers and... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-5.text | A shell command used to create a new R2 bucket via the Wrangler CLI. | Exact payloads, commands, or snippets shown in A shell command used to create a new R2 bucket via the Wrangler CLI. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-6.text | A wrangler cli command used to upload a fine-tuned model file to a Cloudflare R2 bucket. | Exact payloads, commands, or snippets shown in A wrangler cli command used to upload a fine-tuned model file to a Cloudflare R2 bucket. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-7.text | A configuration object defining R2 bucket bindings and parameters for indexing fine-tuned OpenAI models within a Cloudflare Worker. | Exact payloads, commands, or snippets shown in A configuration object defining R2 bucket bindings and parameters for indexing fine-tuned OpenAI models within a Clou... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-8.text | A configuration snippet defining the R2 bucket binding required to store and index fine-tuned OpenAI model data within a Cloudflare Worker. | Exact payloads, commands, or snippets shown in A configuration snippet defining the R2 bucket binding required to store and index fine-tuned OpenAI model data withi... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-9.text | A text file containing the npm installation command and initial setup steps for a Cloudflare Workers project using Hono to manage OpenAI fine-tuning with R2. | Exact payloads, commands, or snippets shown in A text file containing the npm installation command and initial setup steps for a Cloudflare Workers project using Ho... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-10.text | A text file containing the initial project setup commands and dependencies for a Cloudflare Workers project using Hono to index fine-tuned OpenAI models with R2. | Exact payloads, commands, or snippets shown in A text file containing the initial project setup commands and dependencies for a Cloudflare Workers project using Hon... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-11.text | A configuration guide and dependency installation steps for setting up a Cloudflare Worker using Hono to manage OpenAI fine-tuning with R2 storage. | Exact payloads, commands, or snippets shown in A configuration guide and dependency installation steps for setting up a Cloudflare Worker using Hono to manage OpenA... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-12.text | A configuration command and setup guide for initializing a Hono application to manage OpenAI fine-tuning data using Cloudflare R2. | Exact payloads, commands, or snippets shown in A configuration command and setup guide for initializing a Hono application to manage OpenAI fine-tuning data using C... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-13.text | A text-based guide and command sequence for installing the OpenAI library to facilitate fine-tuning models using Cloudflare R2 storage. | Exact payloads, commands, or snippets shown in A text-based guide and command sequence for installing the OpenAI library to facilitate fine-tuning models using Clou... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-14.text | A text file containing the installation command and initial setup steps for integrating OpenAI with Cloudflare Workers and R2 storage. | Exact payloads, commands, or snippets shown in A text file containing the installation command and initial setup steps for integrating OpenAI with Cloudflare Worker... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-15.text | A list of terminal commands and dependencies required to set up a Cloudflare Worker for fine-tuning OpenAI models using R2 storage. | Exact payloads, commands, or snippets shown in A list of terminal commands and dependencies required to set up a Cloudflare Worker for fine-tuning OpenAI models usi... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-16.text | A guide and command sequence for setting up OpenAI fine-tuning using Cloudflare Workers and R2 storage. | Exact payloads, commands, or snippets shown in A guide and command sequence for setting up OpenAI fine-tuning using Cloudflare Workers and R2 storage. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-17.text | A Hono-based Cloudflare Worker implementation that integrates OpenAI API with R2 storage for fine-tuning models. | Exact payloads, commands, or snippets shown in A Hono-based Cloudflare Worker implementation that integrates OpenAI API with R2 storage for fine-tuning models. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-18.text | A TypeScript code snippet demonstrating how to retrieve a file from Cloudflare R2 and upload it to OpenAI for model fine-tuning using a Cloudflare Worker. | Exact payloads, commands, or snippets shown in A TypeScript code snippet demonstrating how to retrieve a file from Cloudflare R2 and upload it to OpenAI for model f... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-19.text | A TypeScript code snippet demonstrating how to use Cloudflare Workers to trigger an OpenAI fine-tuning job using a file stored in R2. | Exact payloads, commands, or snippets shown in A TypeScript code snippet demonstrating how to use Cloudflare Workers to trigger an OpenAI fine-tuning job using a fi... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-20.text | A TypeScript implementation demonstrating how to use Cloudflare Workers to manage OpenAI fine-tuning jobs using R2 for data storage. | Exact payloads, commands, or snippets shown in A TypeScript implementation demonstrating how to use Cloudflare Workers to manage OpenAI fine-tuning jobs using R2 fo... |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-21.text | Wrangler CLI commands for configuring OpenAI API keys as secrets in a Cloudflare Workers environment. | Exact payloads, commands, or snippets shown in Wrangler CLI commands for configuring OpenAI API keys as secrets in a Cloudflare Workers environment. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-22.text | The wrangler deploy command used to deploy the Cloudflare Worker project for fine-tuning OpenAI models with R2 storage. | Exact payloads, commands, or snippets shown in The wrangler deploy command used to deploy the Cloudflare Worker project for fine-tuning OpenAI models with R2 storage. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-23.text | A JSONL formatted dataset used for fine-tuning OpenAI models stored in Cloudflare R2 via Workers. | Exact payloads, commands, or snippets shown in A JSONL formatted dataset used for fine-tuning OpenAI models stored in Cloudflare R2 via Workers. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-24.text | A curl command used to query a Cloudflare Worker for fine-tuned OpenAI model information using an R2 file ID. | Exact payloads, commands, or snippets shown in A curl command used to query a Cloudflare Worker for fine-tuned OpenAI model information using an R2 file ID. |
examples/workers-create-finetuned-chatgpt-ai-models-with-r2-index-a-fine-tuned-op-25.text | A JavaScript implementation demonstrating how to use Cloudflare Workers and R2 to interact with a fine-tuned OpenAI model. | Exact payloads, commands, or snippets shown in A JavaScript implementation demonstrating how to use Cloudflare Workers and R2 to interact with a fine-tuned OpenAI m... |
What This Skill Covers
- In this tutorial, you will use the OpenAI ↗ API and Cloudflare R2 to create a fine-tuned model ↗.
- Main sections:
Tags,Prerequisites,1\. Create a Worker application,2\. Upload a fine-tune document to R2,3\. Bind your bucket to the Worker.
Workflow
- Open the most relevant file under
docs/for the exact documented workflow and wording. - Open
schemas/files for exact structured contracts. - Open
examples/files for concrete requests, commands, snippets, and manifests. - Do not add behavior or configuration that is not present in the attached source files.
Canonical source: https://developers.cloudflare.com/workers/tutorials/create-finetuned-chatgpt-ai-models-with-r2/index.md