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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

hCaptcha logo
hCaptcha
✓ verifiedFreemium

Privacy-focused CAPTCHA and bot/fraud-detection service, a drop-in reCAPTCHA alternative for websites and apps.

4.4M visits/mo
HEROZ logo
HEROZ
✓ verifiedPaid

A Japanese AI firm that grew from shogi-AI research into industry ML solutions and a generative-AI platform, HEROZ ASK.

1.9M visits/mo
Chat01.ai logo
Chat01.ai
✓ verifiedFreemium

A paid gateway to premium OpenAI models with free daily credits, positioned as a ChatGPT Pro alternative.

103K visits/mo
Kimi Chat logo
Kimi Chat
✓ verifiedFree

Kimi is Moonshot AI's conversational assistant known for long-context chat, coding help, and agentic tasks.

103K visits/mo
SiliconFlow logo
SiliconFlow
✓ verified

Developer platform serving 200+ optimized LLMs via APIs; high traffic.

434K visits/mo1.1K saves
Pricing
Basic: Free
Pro: $139/month billed monthly, $99/month billed yearly
Enterprise: Contact sales

Free trial available

No public pricing

Free: $0 (2 credits/day)
Starter: $9.99/mo (30 credits/day)
Basic: $19.99/mo (100 credits/day)
Pro: $39.99/mo (300 credits/day)
Credit packs: $9.99 / $19.99 / $79.99

No public pricing

No public pricing

Core features
  • AI bot detection
  • Transaction fraud protection
  • Account-takeover (ATO) defense
  • Pull-based SMS MFA
  • Private Learning ML risk models
  • Two-line reCAPTCHA migration
  • Hundreds of integrations
  • Deep-learning and machine-learning core technology
  • HEROZ ASK generative-AI platform
  • BtoB and BtoC AI solutions
  • BLOOMWORKS product
  • Industry AI deployment case studies
  • Access to premium OpenAI models
  • Daily free credits
  • Subscription and pay-as-you-go options
  • Model picker for thinking/pro models
  • Invite-based bonus credits
  • Conversational AI assistant
  • Long-context document understanding
  • Coding assistance
  • Agent and plugin capabilities
  • Web and mobile app access
  • Access over 200 optimized models, including LLMs, image, video, and audio processing.
  • Achieve low-latency, high-throughput inference with SiliconFlow's self-developed acceleration frameworks.
  • Deploy models via serverless inference, dedicated endpoints, or reserved GPUs to suit various workloads.
  • Customize models to your data with built-in monitoring and elastic compute resources.
  • Ensure data privacy and business security with dynamic scaling and fault tolerance mechanisms.
Use cases
  • Blocking bots and spam signups
  • Preventing account takeover
  • Reducing transaction and payment fraud
  • Stopping credential stuffing
  • Deploying generative AI in enterprises
  • Applying ML to industry-specific problems
  • AI-driven business transformation (DX)
  • Use OpenAI Pro-tier models affordably
  • Solve complex reasoning problems
  • Occasional AI use on free daily credits
  • Answering questions and research
  • Summarizing long documents
  • Writing and editing help
  • Coding support
  • Quickly deploy various AI models via a simple API, supporting tasks like text, image, audio, and video processing.
  • Utilize serverless GPUs to automatically scale AI applications, ensuring flexibility and cost-efficiency.
  • Access high-performance GPUs for demanding workloads, such as large-scale inference and video generation.
  • Deploy custom models with guaranteed performance and scalability, tailored to specific business needs.
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