AI · alternatives · 2026

24 alternatives to GPT-3 Meter

Usage based billing for OpenAI application developers.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. GPT-3 Meter launched in 2023; newer entries below may have overtaken it.

1. 1
   OpenMeter▲459

   Usage metering for engineers

   2023 · openmeter.io · its alternatives →

2. 2
   GPT-3 Demo▲250

   A showcase of 80+ GPT-3 resources, examples, and use cases

   2021 · gpt3demo.com · its alternatives →

3. 3
   GPT Computer Assistant▲655

   Create intelligence for your products

   2024 · gca.dev · its alternatives →

4. 4
   GPT Builder Tools by Top Road (YC W22)▲294

   Monetise your GPTs with in-chat payments in the OpenAI Store

   2024 · gptbuilder.tools · its alternatives →

5. 5
   GPT-3 Surveys by BlockSurvey▲164

   Generate questions for surveys in seconds

   2021 · blocksurvey.io · its alternatives →

6. 6
   OpenAI o3-mini▲510

   Pushing the frontier of cost-effective reasoning

   2025 · openai.com · its alternatives →

7. 7
   gpt-realtime-1.5 by OpenAI▲300

   Tighter instruction adherence in speech agents

   Feb 2026 · developers.openai.com · its alternatives →

8. 8
   Gapt.ai▲116

   First alternative to GPT-3 API

   2021 · its alternatives →

9. 9
   All GPTs▲425

   200+ custom GPTs in one directory

   2023 · allgpts.co · its alternatives →

10. 10
    GPT Auth▲402

    Authentication for GPTs on GPT store

    2024 · its alternatives →

11. 11
    PromptSpark by OpenPrompts▲78

    Create powerful GPT-3 prompts to power your AI app

    2023 · its alternatives →

12. 12
    Metering.ai▲302

    Automated metering and billing for usage based pricing

    2023 · its alternatives →

13. 13
    ChatGPT Pro▲405

    Scaled access to research-grade intelligence

    2024 · openai.com · its alternatives →

14. 14
    GPT-3 Anywhere▲71

    The power of ChatGPT on any website, at any time.

    2023 · chromewebstore.google.com · its alternatives →

15. 15
    GPT Router▲211

    Avoid OpenAI downtimes - one API for 30+ LLMs

    2023 · github.com · its alternatives →

16. 16
    Reflect AI▲163

    Use GPT3 from your notes

    2023 · reflect.app · its alternatives →

17. 17
    AnyAPI▲160

    Add AI power to your product in minutes

    2023 · anyapi.netlify.app · its alternatives →

18. 18
    WikiGPT3▲94

    Complete index To Chatgpt, GPT3 tools & OpenAI apps

    2023 · its alternatives →

19. 19
    GPT-3 Books▲141

    Book recommendations powered by OpenAI

    2020 · mostrecommendedbooks.com · its alternatives →

20. 20
    GPT-500▲95

    500+ new & unique side projects people built using GPT-4

    2023 · pr1ncesingh.gumroad.com · its alternatives →

21. 21
    ProGPTs▲105

    Promote and make money with your OpenAI GPTs.

    2023 · its alternatives →

22. 22
    GptBoard▲109

    Experience the power of GPT-3 AI in your iOS keyboard

    2023 · 10-minute-mail.net · its alternatives →

23. 23
    Quickbotai▲84

    Instantly build customer support openai chatbot

    2023 · quickbotai.com · its alternatives →

24. 24
    UltimateGPT▲150

    Your GPT with accurate, fast, unlimited external knowledge

    2023 · myaskai.com · its alternatives →

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 →