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AddedJun 26, 2026
UpdatedJun 26, 2026
Inference API

Sail Research› offers Inference API

ServiceCurrently Offered

Async inference API for long-horizon AI agents, serving leading open-source models through OpenAI- and Anthropic-compatible endpoints.

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Overview

Sail's inference API runs leading open-source models behind OpenAI- and Anthropic-compatible Responses, Chat Completions, and Messages endpoints, so existing agent code can migrate with minimal change. A per-request completion window lets callers trade response latency for token price, with background tiers priced well below immediate-response options.

Self-serve users start with monthly free credits and prepaid usage-based billing, while enterprise customers contract for volume pricing, HIPAA-region isolation, and uptime SLAs. The platform targets asynchronous, long-running agent workloads such as deep research, code review, and evaluation pipelines.

Inference API - Classification

Technology
  • AI Machine Learning
Model
  • AI Platform
Revenue
  • Usage-based

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  • Sailboxes logo

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Inference API - Direct Competitors

  • Fireworks AI

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    Fireworks AI Inference

    fireworks.ai

  • Together AI

    Together AI logo

    Together AI Inference

    together.ai

AttributeInference APIFireworks AI InferenceTogether AI Inference
ProviderSail Researchsailresearch.com$80M raised · Seed + Series AFireworks AIfireworks.ai$327M raised · Series CTogether AItogether.ai$122.5M raised · Series A
Founded202620222022
Sells ToDevelopers, EnterpriseEnterpriseEnterprise
Pricing ModelUsage-basedRecurringRecurring
OwnershipVenture-backed private companyVenture CapitalVenture Capital
Inference API

Provider Sail Researchsailresearch.com$80M raised · Seed + Series A

Founded 2026

Sells To Developers, Enterprise

Pricing Model Usage-based

Ownership Venture-backed private company

Fireworks AI Inference

Provider Fireworks AIfireworks.ai$327M raised · Series C

Founded 2022

Sells To Enterprise

Pricing Model Recurring

Ownership Venture Capital

Together AI Inference

Provider Together AItogether.ai$122.5M raised · Series A

Founded 2022

Sells To Enterprise

Pricing Model Recurring

Ownership Venture Capital

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