FastRouter.ai vs Slashy: Features, Pricing & Which Is Better (2026)

A side-by-side comparison of FastRouter.ai and Slashy — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.

FastRouter.ai

FastRouter

Freemium

Enterprise LLM gateway that routes, compares and monitors 200+ models through a single OpenAI-compatible API with zero markup.

Unified OpenAI-Compatible API: Access 200+ models for text, image, video, embeddings and speech from one endpoint and swap models without code changes.
Smart Auto Router: Routes each request to the best model based on cost, latency, throughput or output quality.
Automatic Failover: Retries across providers, fallback model lists and virtual model aliases keep applications running during failures.
Cost Control and Governance: Project and API key limits, member roles and access controls prevent spend spikes.
Model Council and Playground: Compare latency, quality and cost side by side and combine models to cross-check outputs.
Observability and Insights: Unified dashboards, activity logs, alerts and weekly Insights that rank cost-saving changes.
Self-Hosting: Run the full gateway in your own cloud so prompts, responses, logs and provider keys stay in your network.

An engineering team replaces several provider SDKs with one OpenAI-compatible endpoint to simplify integration.
A product team cuts LLM spend by routing simple requests to cheaper models and reserving premium models for hard ones.
A platform team keeps a customer-facing app online by defining fallback model lists across providers.
A finance-conscious leader sets per-project and per-key limits to avoid surprise bills.
A regulated enterprise self-hosts the gateway so prompts and provider keys never leave its network.
A developer compares candidate models for latency, quality and cost in the playground before shipping.

Paid

Slashy is an AI-native email client that drafts replies in your voice, triages what matters, and makes sure no follow-up slips through.

AI Reply Drafting: Drafts email replies in your own voice so you can review and send in seconds.
Smart Triage: Automatically surfaces the emails that matter and filters out inbox noise.
Follow-up Tracking: Tracks pending conversations so no follow-up slips through the cracks.
AI-Native Inbox: A redesigned email client built around AI rather than added onto an old one.
Enterprise Controls: SSO, SCIM, and customized security controls for teams on the Enterprise plan.

Clearing a Busy Inbox: Triage and respond to high volumes of email in a fraction of the usual time.
Consistent Voice Replies: Draft on-brand responses that sound like you without writing from scratch.
Never Missing Follow-ups: Stay on top of threads that need a reply or a nudge.
Team Email at Scale: Roll out an AI email client across an organization with SSO and SCIM.