Intelsi.si
Submit a tool

OpenAI API

platform.openai.com · Model APIs

Paid

Developer platform for OpenAI's models, with the Responses API, tools, fine-tuning, embeddings and realtime voice endpoints.

#api#gpt#embeddings#realtime
Visit OpenAI API ↗

About the Model APIs category

Developer platforms that expose frontier models programmatically. Compare them on context length, tool use, latency, pricing and data-handling terms before you build on top of one.

OpenAI API is one of 6 model apis tools indexed on Intelsi. Facts on this page come from the tool's official site and public APIs; prices and features change, so confirm details on the official website before you commit.

// related

Related tools

All Model APIs →
Coherecohere.comEnterprise-focused model provider offering Command generation models plus Embed and Rerank models that are popular for retrieval systems.Model APIsSee siteHN 10Anthropic APIclaude.comProgrammatic access to Claude models, including tool use, prompt caching, batch processing and computer-use capabilities.Model APIsPaidGoogle AI Studioaistudio.google.comBrowser workspace for prototyping with Gemini models and generating API keys, with a generous free tier for experimentation.Model APIsFreemiumxAI APIx.aiAPI access to xAI's Grok models for chat, reasoning, vision and function calling, compatible with common SDKs.Model APIsPaidAI21 Labsai21.comIsraeli lab behind the Jamba hybrid SSM-transformer models, aimed at long-context enterprise workloads.Model APIsSee siteDeepSeekdeepseek.comChinese lab whose open-weight V-series and R-series reasoning models reset expectations on frontier performance per dollar. Free chat app plus a low-cost API.Frontier ModelsFreemium★ 104.5k