Developer Tools

OpenAI API Product Plan

AI API platform with chat completions, embeddings, fine-tuning, assistants, and real-time streaming.

Use this Product Plan

Open the editable plan instantly, or carry its requirements into a generated system Architecture.

Chat completions API

Embeddings API

Fine-tuning

Assistants with tools

Real-time streaming

Function calling

Vision (image input)

Audio (Whisper, TTS)

Rate limiting and usage tracking

Batch API

As a developer, I can send prompts and get AI completions

As a developer, I can generate embeddings for semantic search

As a team, I can fine-tune models on our data

As a developer, I can build assistants with tool use

As a business, I can track API usage and costs

PythonGoKubernetesRedisPostgreSQLKafkaRayNVIDIA GPUsgRPC

Category	Requirement	Target
Performance	TTFT	< 500ms time-to-first-token for GPT-4 class models
Performance	Throughput	100+ tokens/second for streaming responses
Scalability	Requests	Billions of API calls per month
Availability	API	99.9%: applications depend on API for core functionality
Security	Data	No training on API data, SOC2, data processing agreements

MVPCompletions API

Text completionsChat APIEmbeddingsRate limitingAPI keys

v1.0Platform

Fine-tuningFunction callingVision (image input)StreamingBatch API

v2.0AI Platform

Assistants APICode interpreterRetrieval (RAG)Real-time APIMulti-modal

API uptime: > 99.9%

Developer count: > 2M active API users

Revenue per developer: > $50/month average

Model accuracy: state-of-the-art on benchmarks

A bounded client approval portal with tenant isolation, invitations, file review, and test-mode billing.

A feedback inbox that preserves evidence, groups duplicates, and helps owners approve a prioritized roadmap.

A bounded website monitor with evidence snapshots, meaningful comparisons, budgets, and failure visibility.

Open the editable Product Plan first, then carry it into Architecture and Plan & Ship when it is ready.