Alternatives

Products that do what GPT Proto does

The Ultimate Cost-Effective AI API

1. 1
   Duple.ai▲13

   Access ChatGPT, Claude, Gemini, Grok, and more in one place

   2025

2. 2
   50 Ultra-Cheap AI APIs▲3

   Cut your Claude and GPT API costs by up to 96%

   Jul 2026 · cheap-ai-apis.carrd.co

3. 3
   Merlin Unified API▲310

   One unified API for all AI models like Gemini, GPT-4, DALL-E

   2023

4. 4
   CheatGPT▲120

   Your all-in-one AI cheat code for exams, studying & more

   2025

5. 5
   AiPrice▲96

   API for calculating OpenAI LLM tokens and pricing

   2023

6. 6
   CostPerPrompt – Live AI API pricing and real-workload cost calculators▲20

   Live pricing for 309+ AI models (GPT, Claude, Gemini, Llama, DeepSeek) plus real-world cost calculators: chatbots, API budgets, and token math. Updated 2026-09-06.

   Aug 2026 · costperprompt.com

7. 7
   Velokey▲4

   Access AI models through one API and save 20–80% on costs.

   Jul 2026 · velokey.ai

8. 8
   ComputeUnion▲2

   Real-time AI API price comparison across 20+ providers

   Jun 2026 · computeunion.net

9. 9
   AIPricingCalculator

   Free AI API cost calculator - Claude, GPT-5, Gemini & Groq

   Apr 2026 · aipricingcalc.com

10. 10
    Model Xpert▲4

    6 Premium AI models for the price of one

    Dec 2025 · modelxpert.com

11. 11
    Qubax AI▲3

    AI Up to 99% off. GPT, Claude & 250+ models through one API.

    Jul 2026 · qubax.ai

12. 12
    ApiLink▲4

    One API for GPT, Claude, Gemini & every major AI model

    May 2026 · apilink.io

13. 13
    WorldGate API▲3

    #ai #api #provider

    Jul 2026 · worldgateapi.com

14. 14
    CostPerPrompt▲2

    Live AI API pricing + calculators that model real workloads

    27d ago · costperprompt.com

15. 15
    Starveri API▲2

    GPT/Codex APIs at 1/3 OpenAI pricing

    Jun 2026 · api.starveri.net

16. 16
    ModelHub API▲4

    One API Key. 45+ AI Models. 43x Cheaper Than OpenAI.

    Jun 2026

17. 17
    CoreAI▲3

    300+ AI models. One subscription.

    Jul 2026 · ask-coreai.com

18. 18
    LLMs each trading $100K vs. a frozen rulebook – the rulebook leads▲12

    Watch GPT-5.6, Claude Fable 5, Grok and Gemini each paper-trade $100,000 against a rules-based System — free, no signup, every trade logged. Plus nightly AI chess and poker you can play yourself.

    21d ago · aitradingcompetition.com

19. 19
    玄枢API▲1

    One gateway for Claude, GPT, Grok, and Gemini

    Jul 2026 · xuanshuapi.com

20. 20
    AI Prompt Cost Calculator▲3

    Compare AI API costs before you send

    May 2026 · prompt-cost-calculator-ten.vercel.app

21. 21
    ApiHub: One API for Leading AI Models▲2

    One API for leading AI models and video generation

    27d ago · video.gqaiapp.com

22. 22
    AI API Cost Calculator▲3

    Compare OpenAI, Claude & Gemini costs for your exact task

    Jul 2026 · officeskillset.com

23. 23
    Mustham API▲3

    Leading AI models at under half the direct API cost

    Aug 2026 · api.mustham.com

24. 24
    Parallax AI▲21

    You can talk to GPT, Gemini, Grok, Claude in one place!

    Dec 2025 · parallax.kr

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