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Alternatives · 2026

Best API2D Alternatives in 2026

24 alternatives · 22 with a free plan · Updated

What are the best API2D alternatives?

The best API2D alternatives for AI API in 2026 are Inferkit AI (LLM router, free), Superpowered AI (knowledge retrieval tool, free) and Defapi (unified API for accessing multiple AI models from different…, enterprise). 22 of the 24 listed alternatives have a free or freemium plan.

Looking for something other than API2D? Below are 24 alternatives in AI API, AI Developer Tools and Large Language Models (LLMs), all closely matched, ranked by how much they overlap with API2D. API2D itself is free. Each entry shows what the tool does, what it shares with API2D, its key features and pricing.

What is API2D?

API2D provides a single interface to connect with various AI models and APIs, eliminating the need to manage multiple accounts and integrations. The platform uses a pay-as-you-go pricing structure with a caching mechanism that reduces repeated query costs.

Pricing
Free

Key features of API2D

  • Simplified access to various AI APIs
  • Cost-effective pricing model (pay-as-you-go)
  • Caching mechanism to reduce costs
  • Support for multiple models and interfaces
  • Additional features like knowledge base and search enhancement

API2D alternatives compared

Top 5 alternatives to API2D with pricing and overlap
ToolPricingShared with API2DMatch
API2DFree—Original
Inferkit AIFreeAI API, AI Developer Tools, Large Language Models (LLMs), OtherStrong match
Superpowered AIFreeAI API, AI Developer Tools, Large Language Models (LLMs), OtherStrong match
DefapiEnterpriseAI API, AI Developer Tools, Large Language Models (LLMs), OtherStrong match
kluster.aiFreemiumAI API, AI Developer Tools, Large Language Models (LLMs), OtherStrong match
OfoxAIFreeAI API, AI Developer Tools, Large Language Models (LLMs), OtherStrong match

Top 24 alternatives to API2D

  1. #1
    Inferkit AI logo

    Inferkit AI

    Strong matchFree

    An LLM router that connects to multiple AI models, helping developers reduce costs during API calls.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    Pricing: free, same as API2D

  2. #2
    Superpowered AI logo

    Superpowered AI

    Strong matchFree

    Superpowered AI is a knowledge retrieval tool that lets you upload files, query them, and feed results into an LLM prompt via API or no-code interface.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Simply upload your files
    • & place the query results in your LLM prompt
    • It caters to both developers and no-code users with a flexible API and an intuitive…

    Pricing: free, same as API2D

  3. #3
    D

    Defapi

    Strong matchEnterprise

    Defapi is a unified API for accessing multiple AI models from different providers, with cost-focused model routing and usage monitoring.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Simplifies AI integration with a unified API for multiple providers
    • Offers significant cost optimization through intelligent model routing
    • Provides enterprise-grade security and reliability

    Pricing: enterprise (custom pricing), while API2D is free

  4. #4
    kluster.ai logo

    kluster.ai

    Strong matchFreemium

    Serverless AI inference platform offering multiple models with variable pricing based on response time.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • AI cloud platform for serverless inference and fine-tuning with cost savings

    Pricing: freemium (free plan + paid upgrades); API2D is free

  5. #5
    OfoxAI logo

    OfoxAI

    Strong matchFree

    OfoxAI is a unified API gateway that gives developers one interface to call over 100 large language models, including GPT and Claude.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Unified API gateway to access 100+ LLMs like GPT

    Pricing: free, same as API2D

  6. #6
    Itzam logo

    Itzam

    Strong matchFree

    Itzam is an AI developer platform for connecting apps to OpenAI, Anthropic and Google models with unified prompt and billing management.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Easy integration of AI models
    • Centralized management of prompts
    • Support for multiple AI providers (Anthropic

    Pricing: free, same as API2D

  7. #7
    OpenRouter logo

    OpenRouter

    Strong matchFree

    OpenRouter is a unified API gateway that gives developers one LLM interface for many AI models, with automatic fallback when a provider goes down.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • It provides better prices

    Pricing: free, same as API2D

  8. #8
    LLM Gateway logo

    LLM Gateway

    Strong matchFree

    LLM Gateway is an open source API gateway that routes, manages, and tracks costs of requests to many large language model providers.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Fully open source under an MIT license
    • Unified API compatible with OpenAI format for easy migration
    • Supports a wide range of LLM providers

    Pricing: free, same as API2D

  9. #9
    T

    Token Counter

    Strong matchFree

    Count tokens and estimate API costs for OpenAI and other AI models in real-time.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Accurate token counting using the recommended tiktoken library for OpenAI models
    • Supports multiple languages
    • Real-time token counting

    Pricing: free, same as API2D

  10. #10
    Prompteams logo

    Prompteams

    Strong matchFree

    Prompteams is a prompt management platform where teams version, test, and deploy AI prompts with auto-generated APIs.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • AI Prompt Management System for teams to manage

    Pricing: free, same as API2D

  11. #11
    AiPrice logo

    AiPrice

    Strong matchFree

    API that calculates token counts and costs for OpenAI API requests across 20 models.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    Pricing: free, same as API2D

  12. #12
    Edgee logo

    Edgee

    Strong matchFree

    AI gateway that compresses prompts at the edge to cut LLM costs by up to 50% while routing to 200+ models.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    Pricing: free, same as API2D

  13. #13
    Manifest logo

    Manifest

    Strong matchFree

    Open-source LLM router for OpenClaw that sends each query to the most cost-effective model based on task complexity, cutting token costs.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    Pricing: free, same as API2D

  14. #14
    OpenAI Solution logo

    OpenAI Solution

    Strong matchFree

    Access OpenAI products and services with built-in internet acceleration for faster browsing, optimized for Chrome-based browsers.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Provides access to OpenAI products that might otherwise be unavailable
    • Offers internet acceleration for faster browsing and data transfer
    • Specifically tailored for various professional fields

    Pricing: free, same as API2D

  15. #15
    Tokenhot logo

    Tokenhot

    Strong matchEnterprise

    API gateway connecting to 100+ language models from 30+ providers with a single interface.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Unified LLM API gateway for 100+ models with up to 90% cost savings

    Pricing: enterprise (custom pricing), while API2D is free

  16. #16
    Everyprompt logo

    Everyprompt

    Strong matchFree

    Everyprompt is a GPT-3 playground for prompt engineering, testing newest language models, and deploying AI-driven APIs.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    Pricing: free, same as API2D

  17. #17
    Not Diamond logo

    Not Diamond

    Strong matchFree

    Not Diamond is an AI model router that picks the best LLM for each query to cut costs and improve accuracy.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    Pricing: free, same as API2D

  18. #18
    RouterBase logo

    RouterBase

    Strong matchFree

    Single API gateway that routes requests across 200+ AI models for text, image and video generation, with unified billing.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Unified API gateway for 200+ AI models with smart routing and unified billing

    Pricing: free, same as API2D

  19. #19
    GPUX logo

    GPUX

    Strong matchFree

    Serverless GPU platform that runs Dockerized apps and AI model inference with autoscaling, for teams that want lower GPU hosting costs.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • They also offer private model deployment for other organizations

    Pricing: free, same as API2D

  20. #20
    MakeHub logo

    MakeHub

    Strong matchFree

    MakeHub is an AI API load balancer that routes calls across model providers to cut costs and add failover protection.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Significant cost reduction (up to 50%) on AI API calls
    • Improved response speed (up to 2x faster)
    • High reliability and uptime (99.99%) with consistent response times

    Pricing: free, same as API2D

  21. #21
    Shaped logo

    Shaped

    Strong matchFree

    Shaped is a search and recommendation platform for ML engineers building ranking models and personalized results with real-time learning.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • Unified search and recommendations system
    • AI-native foundation with transformer models and real-time learning loops
    • Designed for ML engineers with full control and extensibility

    Pricing: free, same as API2D

  22. #22
    D

    DiscuroAI

    Strong matchFree

    Discuro is an AI workflow builder where developers design, test, and call chained OpenAI prompts from a UI or API.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • All-in-one platform for building

    Pricing: free, same as API2D

  23. #23
    Fleak logo

    Fleak

    Strong matchFree

    Fleak is a serverless API builder for AI workflows that lets data teams connect integrations and publish them as APIs.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    Pricing: free, same as API2D

  24. #24
    AiHubMix logo

    AiHubMix

    Strong matchFree

    AiHubMix is an LLM API router that gives developers one OpenAI-compatible API for calling models from OpenAI, Gemini, Claude, DeepSeek and more.

    In common with API2D: AI API, AI Developer Tools, Large Language Models (LLMs), Other

    • It aims to simplify AI model integration and make develop

    Pricing: free, same as API2D

How we picked these API2D alternatives

We rank tools by how closely they match API2D: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.

Frequently asked questions

What are the best alternatives to API2D in 2026?

The closest alternatives to API2D are Inferkit AI, Superpowered AI, Defapi, kluster.ai and OfoxAI. They are ranked by how many categories and tags they share with API2D and how similar their descriptions are, then by community votes and views on SoftwareVital.

What is the closest alternative to API2D?

Inferkit AI is the closest match because it shares AI API, AI Developer Tools and Large Language Models (LLMs) with API2D. It is free.

Are there free alternatives to API2D?

Yes. 22 of the 24 alternatives have a free or freemium plan, including Inferkit AI (free), Superpowered AI (free), kluster.ai (freemium), OfoxAI (free) and Itzam (free). API2D is free.

Which API2D alternatives are paid or enterprise tools?

Defapi (enterprise) and Tokenhot (enterprise) use paid or enterprise pricing, which usually means more support and admin options for teams.

How does API2D compare to Inferkit AI?

Inferkit AI overlaps with API2D in AI API, AI Developer Tools and Large Language Models (LLMs). Pricing: free, same as API2D. Open the side-by-side compare page for a full breakdown.

What category is API2D in?

API2D is listed under AI API on SoftwareVital. Browse that category to see more tools in the same group.