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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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OpenRouter
S
Cursor
S
DeepInfra
A
TaglineOne API, every model. Pay-as-you-go, no subscriptions.VS Code fork that made AI coding actually work.Blazing-fast, pay-as-you-go inference API for open-source LLMs and multimodal models, now plugged directly into the Hugging Face ecosystem.
CategoryDev PlatformCodingDev Platform
PricingPay per token — model-dependentFree + $20/mo Pro + $40/mo BusinessFree $5 credit on signup, then pay-as-you-go from $0.06/M tokens
Best forDevelopers experimenting across models. Apps that want fallback logic.Developers. Non-developers who want to ship working code.Backend 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.
Strengths
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • 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
Weaknesses
  • Slight markup over direct API
  • Some provider features not exposed
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • 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
Kai's verdictS-tier for model-shopping. I use this for every prototype before committing.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.DeepInfra 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.)
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