Best Alternatives to PromptBase

Largest prompt marketplace — 220K+ prompts, sellers keep 80–100% revenue. Compare 10 similar free AI tools.

1. ElevenLabs — Leading voice gen + cloning ($11B valuation) (Free: 10K–20K credits/month, 1 clone)
2. Anthropic Startup Program — $1K–$100K+ Claude credits via VC partners — premium rate limits included (Free: $1K–$100K+; VC partner required)
3. xAI Grok API — Largest sign-up bonus — $25 + $150/mo with data opt-in (Free: $25 + $150/mo (data sharing opt-in for $150))
4. Gitcoin — $60M+ distributed to OSS builders — $100–$50K+ per bounty, GitHub-integrated (Free: Browse bounties and claim)
5. Microsoft Founders Hub — Up to $150K Azure credits — includes Azure OpenAI 20–30% cheaper than direct OpenAI (Free: $1K–$150K Azure credits tier-based)
6. AWS Activate — Up to $100K standard + GenAI Activate $300K for Bedrock projects (Free: $1K self-serve; $100K with VC)
7. Google Cloud for Startups — Up to $350K for AI-first startups ($250K yr1 + $100K yr2) (Free: $25K–$350K; VC referral for top tier)
8. Immunefi — Bug bounties for Web3 — $10K minimum critical, up to $10M rewards (Free: Find and responsibly report vulnerabilities)
9. FlowGPT — Monthly bounty contests + subscription creator channels for popular prompts (Free: Submit prompts; win cash prizes)
10. HubSpot Free CRM — 1M contacts, Breeze AI chatbot — free forever (Free: Free forever: 1M contacts, AI chatbot)

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