AI · alternatives · 2026

24 alternatives to API NODE
One OpenAI-compatible API for every AI app
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
OpenAI o1 API ▲458OpenAI's most advanced model, o1 API to third-party devs
2024 · developers.openai.com · its alternatives →
- 2

HTTP API for Claude Code, Goose, Aider, Gemini, Amp, and Codex - coder/agentapi
2025 · github.com · its alternatives →
- 3

One unified API for all AI models like Gemini, GPT-4, DALL-E
2023 · getmerlin.in · its alternatives →
- 4
EnergeticAI▲142Use open-source AI in your Node.js apps, up to 67x faster
2023 · energeticai.org · its alternatives →
- 5

Advanced Visual Reasoning & Agentic Tool Use
2025 · openai.com · its alternatives →
- 6

🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure. - steel-dev/steel-browser
2024 · github.com · its alternatives →
- 7
Maki▲84An efficient AI coding agent. Native Rust TUI. Immediate startup, 60 FPS, low memory. Indexes files instead of reading them, chains tools in a sandbox interpreter. Anthropic, OpenAI, Google, Z.AI, OpenRouter, Synthetic, or any OpenAI / Anthropic compatible API.
2022 · maki.sh · its alternatives →
- 8

- 9
Token Harbor▲85The easiest way to access frontier AI models.
Aug 2026 · tokenharbor.ai · its alternatives →
- 10

- 11

An embeddable cross-platform AI agent library written in C. Cloud and local LLMs, tool calling, long-term memory, voice, sessions, research mode, self-evolving loops. The SQLite of agent frameworks: small, portable, just works. - sqliteai/adam
May 2026 · github.com · its alternatives →
- 12

Self-hosted alternative to OpenAI's Responses API compatible with Agents SDK and works with all model providers (Claude/R1/Qwen/Ollama etc) - open-responses/open-responses
2025 · github.com · its alternatives →
- 13

- 14

- 15

- 16

Universal API bridge for Gemini, Claude, and Qwen clients.
Jan 2026 · github.com · its alternatives →
- 17

api2ai parses OpenAPI Spec to generate an agent that can make API calls. For context, I recently need to explore a handful of API suites and thought LLMs can help expedite this process. After some digging, I found OpenAPI Specs are perfect fit for function calling. Based on a text prompt, api2ai can select the right endpoint and properly parse request params and make api calls. It also handles authentication, currently it supports basic auth, api keys, and bearer token schemes. The tool has helped me explore and see APIs in action without a deep dive into the docs or using postman. It’s open…
2023 · github.com · its alternatives →
- 18
APIMart▲8One API for All the Best AI Models – Try Affordable AI API
Nov 2025 · apimart.ai · its alternatives →
- 19

Built for developers worldwide.
Jun 2026 · dubhehub.com · its alternatives →
- 20

Access leading Chinese AI models through one unified API
Aug 2026 · easytoken.site · its alternatives →
- 21

i built an open source version of OpenAI Assistants API it's compatible with any LLM & embeddings model and u can swap it out for OpenAI assistants API with just one line of code. if you want this let me know 👇
2023 · twitter.com · its alternatives →
- 22

Hey Hackernews! In the last few days I've dug up some work I was working on last year but never was able to ship due to perfectionism. But with my new attitude, here it is: I also immediately got it in MCP-form so you can use it in Claude and Cursor as well. Enable Claude / Cursor to know ANY API!! Video and links here: https://x.com/janwilmake/status/1903497808134496583 P.S. Expect bugs. Building in public. I've tested it with a few apis so far, and so far it worked really well as MCP every time. P.P.S. It's all Open source!…
2025 · openapisearch.com · its alternatives →
- 23

- 24
CollabAI▲12Open-Source AI Agent Platform, Built for Your Needs.
2025 · collabai.software · its alternatives →
Also compare
Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →