Sail Research
by Sail Research Inc.
Max-efficiency inference infrastructure for long-horizon AI agents
Sail Research operates a cloud inference platform purpose-built to run long-horizon AI agents cheaply, offering up to ~10x lower cost per token plus stateful 'Sailbox' sandboxes that stay alive for days. It is built for developers and teams running background and long-running agentic workloads.
At a Glance
- Category
- Infrastructure & Cloud
- Pricing
- Usage-based, Freemium
- Target Market
- Enterprise Developers, AI Engineers, CTOs, ML Platform Teams
Key Features
- ✓Efficiency-first inference stack
A rebuilt inference stack (vLLM/PagedAttention) delivering up to ~10x lower cost per token for agent workloads.
- ✓Completion windows
Latency-for-cost tiers (asap, priority, standard, flex) that can cut token cost ~60–80% when a task can wait.
- ✓Sailboxes
Persistent, stateful Linux sandboxes that run for days and can be linked into multi-agent ensembles.
- ✓OpenAI/Anthropic-compatible API
Drop-in compatibility with Responses, Chat Completions, and Messages APIs, plus LoRA fine-tuning and RL rollouts.
Capabilities
Use Cases
- •Long-running research agents
Run agents that browse and reason for hours or days at a fraction of typical inference cost.
- •Batch and background AI
Use flex completion windows to process large, latency-tolerant workloads cheaply.
- •Stateful agent orchestration
Maintain agent state across extended tasks using linked Sailbox sandboxes.
Ideal For
Best For
- ✓Running long-horizon AI agents cost-efficiently
- ✓Background and batch inference workloads
- ✓Stateful multi-day agent sandboxes
Integrations
Market Analysis
Pros
- ✓Dramatically lower inference cost for long-running agents
- ✓Drop-in OpenAI/Anthropic API compatibility
- ✓Persistent sandboxes purpose-built for agents
Cons
- ✗New entrant with an unproven long-term track record
- ✗Focused on open models rather than proprietary frontier models
Pricing
Pay-as-you-go
Usage-based
- ✓$5 in free credits every month
- ✓Per-token pricing with flex/asap completion windows
- ✓No strict rate limits
Enterprise
Contact for pricing
- ✓HIPAA-compliant, region-locked datacenters
- ✓Custom pricing and support
Usage-based per-token pricing; cheaper 'flex' completion windows run ~60–80% lower; $5 in free monthly credits; enterprise custom pricing with optional HIPAA region-locked hosting.
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