Compare
LM Speed vs OpenRouter
Provides a single API to access many models but lacks built-in speed or security benchmarking.
Which to pick
Pick LM Speed if you want…
- Speed and cost benchmarking for LLM APIs
Pick OpenRouter if you want…
- Unified API for multi-model routing
- Unified model access
Side by side
- What it is
- LM Speed:LM Speed lets developers test, compare and audit the speed and cost of LLM APIs across many providers.
- OpenRouter:OpenRouter provides a single API to access hundreds of AI models from multiple providers.
- Best for
- LM Speed:Speed and cost benchmarking for LLM APIs
- OpenRouter:Unified API for multi-model routing
- Who it’s for
- LM Speed:Developers building or optimizing AI applications that rely on LLM APIs.
- OpenRouter:Developers building AI-powered apps who need model choice and cost control.
- Pricing
- LM Speed:Freemium
- OpenRouter:Freemium
- Plans
- LM Speed:Site verification $0 · Paid provider publishing $19.90 one-time
- OpenRouter:Free $0
- Works with
- LM Speed:OpenAI, DeepSeek, Silicon Flow, Tencent Cloud, any OpenAI-compatible API
- OpenRouter:—
LM Speed features
- Model score lookup. Search models to view benchmark scores for coding, reasoning, math and more.
- Pricing comparison. Side-by-side per-token pricing across 100+ providers, including free tiers.
- Real-time speed benchmarks. Run five-round tests measuring latency, throughput and total duration.
- API security audit. Check model authenticity, hidden prompts, instruction tampering and error leakage.
- Custom endpoint testing. Benchmark any OpenAI-compatible URL, API key and model ID.
- Analytics dashboard. Review latency, throughput, health signals and stability rankings.
OpenRouter features
- Model catalog. Browse 500+ active models across 80+ providers through one endpoint.
- Auto-routing. Automatically fall back to alternative providers for higher availability.
- Cost controls. Set budgets, spend limits and view price alerts to keep costs in check.
- Data policies. Define fine-grained policies to restrict which models and providers can receive prompts.
- Prompt caching. Cache prompt results to reduce latency and token usage.
- Region routing. Route requests to EU or US data centers for compliance and latency.
LM Speed vs OpenRouter FAQ
Is LM Speed or OpenRouter free?+
LM Speed has a free plan (Site verification) and paid plans. OpenRouter has a free plan and paid plans.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.

