Alternatives
10 best OpenAI API alternatives
Tools that cover the same task as OpenAI API (assistant), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- OpenAI API starts at
- Not listed
- Free plan
- Free tier unknown
- API
- API available
- 01
Dify
Dify is a platform for building production-ready agentic workflows, RAG pipelines, and AI apps with visual orchestration, knowledge bases, plugins, and multi-model support. It offers Dify Cloud SaaS plus self-hosted Community Edition and enterprise deployment options for teams moving from prototype to production.
Best for: Developers and teams building agents, chat apps, and knowledge pipelines who want collaborative workspace deployment on cloud or private infrastructure.
- 02
AI Box
AI Box is a multi-model AI workspace for chat, image, audio, and video generation across 100+ models with token allowances, cloud storage, and workflow builders. It also exposes an MCP server so external agents such as Claude or ChatGPT can run Box workflows.
Best for: Teams that want one subscription to compare models, run workflows, and connect chat agents via MCP instead of juggling many vendor accounts.
- 03
Anakin
Anakin.ai is an all-in-one AI workstation with thousands of pre-built apps for writing, chatbots, image and video generation, workflows, batch jobs, and custom agents. It connects models from OpenAI, Claude, DeepSeek, Gemini, Stable Diffusion, and others in one browser workspace.
Best for: Creators and operators who want no-code AI apps, automation, and multi-model access without building from scratch.
- 04
Chat01.ai
Chat01.ai (formerly OpenAI01.net) offers a web chat front end to multiple OpenAI-style models with daily credits and paid tiers for higher limits. It markets itself as a ChatGPT Pro alternative with model pickers and referral-based credit boosts.
Best for: Power users who want higher daily credit limits and pro-model access without a ChatGPT subscription.
- 05
Cube
Cube is an agentic analytics platform built on a universal semantic layer for BI and embedded analytics. It models metrics once, serves governed answers to humans and AI agents, and offers Cube Cloud plans for semantic modeling, workbooks, dashboards, and production deployments.
Best for: Data teams and product companies that need governed metrics for internal BI, embedded analytics, and AI agent workflows.
- 06
Export SDK
It targets teams that need to design templates once and render PDFs from JSON or integrations at scale.
Best for: Product teams and developers who need programmatic or no-code PDF generation from reusable templates.
- 07
Fibery
Fibery is a flexible work platform that replaces scattered SaaS tools with customizable databases, docs, and workflows for product, agency, and software teams. It combines no-code app building, automations, and AI credits in tiered workspace plans.
Best for: Ops and product teams who want one workspace to model processes instead of juggling many point tools.
- 08
Definio
Definio is a Chrome extension that bundles access to premium AI models such as o1 reasoning, Claude, and GPT-4o in one sidepanel and text-selection chat. It targets users who want multi-model browsing assistance without maintaining separate ChatGPT Plus and Claude Pro subscriptions.
Best for: Chrome users who want premium model access while browsing with instant selection chat and a sidepanel interface.
- 09
Raw Query
Raw Query lets teams chat with Postgres, MySQL, and MariaDB databases in plain English to query, export, insert, and update records with confirmations. It targets developers and business users who need ad hoc data access without building internal tools.
Best for: Founders, analysts, and engineers who want conversational SQL access without maintaining one-off internal apps.
- 10
Stakpak.dev
Stakpak is an open-source autonomous agent that runs on your machines to keep applications healthy, respond to incidents, and report through chat channels. Paid cloud tiers add managed LLM credits, multi-app autopilot, and team billing.
Best for: Developers and platform engineers who want production autopilot without locking into a proprietary PaaS.
OpenAI API alternatives: common questions
What is the best free alternative to OpenAI API?
Dify has an ongoing free plan. Sandbox cloud plan is Free with 200 message credits per pricing page Free plans change, so check the vendor before relying on one.
What is the cheapest OpenAI API alternative?
AI Box has the lowest listed starting price at $7.25/mo.
Which OpenAI API alternatives have an API?
Dify, AI Box, Anakin, Chat01.ai, Cube mention API or developer access.