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S
Pika
A
Groq
S
Fathom
S
TaglineRun any open-source AI model with an API call.The playful, accessible AI video tool.The fastest AI inference in the world. Crazy low latency.Meeting notes, free forever for individuals.
CategoryDev PlatformVideoDev PlatformMeetings
PricingPay per second of computeFree + $8-$58/moFree tier + pay-as-you-go APIFree for individuals + $15-$29/user/mo teams
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Social media creators, beginners, anyone wanting quick fun clips.Developers who need sub-100ms LLM responses.Solo operators, freelancers, small teams on a budget.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Ingredients feature — combine people, objects, scenes
  • Lip sync + sound effects
  • Fun, approachable UX
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Lower fidelity than Runway/Kling
  • Still rough on complex scenes
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Bot-joining model
  • Team features gated
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier for social/casual. B-tier for serious work. Good entry point.S-tier for speed. When latency is the product, start here.S-tier for solo + free. The best free option, hands down.
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