# Sail Research raises $80M to optimize long-horizon AI agents

> **Platform:** [SPIDITS AI](https://spidits.com/) — Real-Time AI News & Market Intelligence  
> **Published:** 2026-06-26T01:30:20.000Z  
> **Category:** FUNDING  
> **Impact Score:** 130/100  
> **Primary Source:** [SiliconANGLE](https://siliconangle.com/2026/06/25/sail-research-raises-80m-optimize-long-horizon-ai-agents)  
> **Canonical Citation:** [https://spidits.com/timeline/sail-research-raises-80m-to-optimize-long-horizon-ai-agents](https://spidits.com/timeline/sail-research-raises-80m-to-optimize-long-horizon-ai-agents)

## Executive Summary
Inference startup Sail Research Inc. today announced that it has raised $80 million in funding at a $450 million valuation. The company received the bulk of the capital in the form of a Series A round led by Sequoia. It earlier raised a seed round led by Kleiner Perkins. Sail Research also counts...

## Referenced Coverage & Sources
- **[SiliconANGLE](https://siliconangle.com/2026/06/25/sail-research-raises-80m-optimize-long-horizon-ai-agents)**: Sail Research raises $80M to optimize long-horizon AI agents — _Artificial intelligence inference startup Sail Research Inc. today announced that it has raised $80 million in funding at a $450 million valuation. The company received the bulk of the capital in the form of a Series A round led by Sequoia. It earlier raised a seed round led by Kleiner Perkins..._

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