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DeepInfra
A
Kling
A
ChatGPT Operator
B
Stable Audio
A
TaglineBlazing-fast, pay-as-you-go inference API for open-source LLMs and multimodal models, now plugged directly into the Hugging Face ecosystem.Kuaishou's video model. The surprise standout.OpenAI's browser agent. Clicks and types on websites for you.Stability AI's open audio model. Loops + SFX + background.
CategoryDev PlatformVideoAgentsAudio
PricingFree $5 credit on signup, then pay-as-you-go from $0.06/M tokensCredit-based, free trialIncluded with ChatGPT Pro $200/moFree + $12/mo Pro + enterprise
Best forBackend developers and ML engineers who want the cheapest reliable inference for open-weight LLMs in production, especially those already living inside the Hugging Face ecosystem.Anyone who wants top-tier video quality for less.Power users willing to pay $200/mo for a browser bot.Game developers, podcasters needing SFX, video creators needing background music.
Strengths
  • Among the cheapest per-token rates for open-source models — consistently undercuts Together AI and Fireworks on small models
  • OpenAI-compatible API means zero migration headache from existing stacks
  • Now a first-class Hugging Face Inference Provider, so HF-native workflows (SDKs, Playground, agent harnesses) get DeepInfra with a one-line swap
  • Runs on H100/A100 and NVIDIA Blackwell GPUs with auto-scaling and 99.982% uptime SLA on dedicated tier
  • Supports LoRA adapter deployments and private custom model hosting, not just public models
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
Weaknesses
  • Primarily developer/API-first — no meaningful consumer-facing product or chat UI to speak of
  • Model breadth (77 tracked) lags behind aggregators like OpenRouter or Replicate for niche or newly-released models
  • No free tier beyond the $5 signup credit; requires a card or prepayment to continue
  • UX is rough for English speakers
  • Queue times
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Not for full songs with vocals
  • Shorter generation limits
Kai's verdictDeepInfra is the quiet workhorse of the inference API space — serious price performance on H100s, a genuinely clean OpenAI-compatible API, and now a native HF provider makes it a strong default choice for any team running open-source models at scale. (Verdict pending Phi's full review.)A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.B-tier. Still early. Manus is more flexible for less money.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.
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