Sentient Launches Open-Source Deep Search (ODS), a New Era for Artificial Intelligence

Artificial intelligence is entering a new era. Sentient, a startup funded by Peter Thiel's Founders Fund, launches Open Deep Search (ODS), an open-source AI search system

Startup Sentimental, funded by Peter Thiel’s Founders Fund, launches Open Deep Search (ODS), an open-source AI search system that shows significantly better performance than market leaders like OpenAI’s GPT-4o and Perplexity.

A superior performance that disrupts the AI giants

Startup Sentimental, backed by Peter Thiel’s Founders Fund, has just reached a decisive milestone in the realm of artificial intelligence.

On April 2, 2025, the company unveiled its Open Deep Search (ODS) framework, a fully open-source AI search system. This innovation did not go unnoticed, as it immediately demonstrated superior performance compared to industry giants.

Tests conducted on the “Frames” benchmark are particularly revealing of this advancement. This benchmark, which evaluates factuality, information retrieval, and reasoning of AI models, placed ODS at the top with an impressive accuracy of 75.3%.

In comparison, ChatGPT-4o Search Preview by OpenAI only reached 50.5%, while Perplexity Sonar Reasoning Pro peaked at 44.4%.

To ensure the integrity of these results, Sentimental took care to isolate its researchers from the Frames test sets throughout the evaluation process.

But as Himanshu Tyagi, co-founder of Sentimental and professor at the Indian Institute of Science, highlights:

“An independent verification is only necessary for closed-source solutions. With our open-source approach, anyone can run our code, reproduce our results, and verify their accuracy.”

An innovative business model that reconciles open source and monetization

The democratization of AI represents the core philosophy of Sentimental, but the company has also tackled one of the major challenges in the industry: how to effectively monetize an open-source model without compromising its accessibility.

Sentimental offers a unique solution with its fingerprint technology, allowing developers to protect their intellectual property while maintaining the fundamental openness of the model.

This ingenious system directly addresses the dilemma that has previously hindered the widespread adoption of open-source solutions in the AI domain.

“AI should belong to the community, not be controlled by closed-source companies,” Tyagi asserts. “We build, monetize, and provide open-source AI with a key principle in mind: singularity in intelligence but plurality in use cases.”

This strategic positioning has already sparked considerable interest, with over 1.8 million sign-ups on the waiting list even before the official launch of the platform.

Last February, Sentimental also conducted one of the largest NFT creation campaigns, enabling over 650,000 participants to acquire fractional ownership in its AI models.

Sewoong Oh, principal researcher at Sentimental and professor at the University of Washington, perfectly summarizes the company’s ambition:

“With a suitable architecture, open-source models can easily surpass closed software giants. The results of these benchmarks validate our mission: to create an open ecosystem that benefits all AI developers and users.”

The beginning of a new era for artificial intelligence

The emergence of Sentimental and its ODS framework aligns with a broader trend of challenging dominant proprietary models.

This advancement potentially marks a decisive turning point for the industry, where open-source solutions are starting to demonstrate their ability to compete with, if not surpass, established closed platforms like OpenAI or Perplexity.

This breakthrough is part of a radical transformation of the AI landscape.

As OpenAI attracts $40 billion in investment from SoftBank and reaches a record valuation of $300 billion, open-source solutions like Sentimental and DeepSeek R1, a Chinese model with remarkable performance, are shaking up the status quo with fractional usage costs.

In summary, this confrontation between overfunded proprietary models and high-performing open-source alternatives is redrawing the economic contours of the sector. The simultaneous rise of these opposing approaches suggests a new era where accessibility and technical performance may take precedence over centralized business models, thus challenging the dominance of American AI giants.

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