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

Real-time ride-sharing platform with driver matching, GPS tracking, surge pricing, and payments.

Video streaming platform with personalized recommendations, adaptive bitrate streaming, and content management.

Team messaging platform with channels, direct messages, file sharing, integrations, and real-time search.

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