LangSmith vs Passio - Which AI App Development Software Platform Is Better in August 2025?

	LangSmith Observability & testing for complex LLM applications. Visit Website Visit Website	Passio Developed mobile apps for specialized sectors. Visit Website Visit Website

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Description	Introducing LangSmith, a developer platform designed for the complexity of LLM (Language Model) applications. With its comprehensive observability, testing, and evaluation tools, LangSmith Read more +	Passio is a leading mobile AI platform that specializes in serving enterprise businesses. Offering easy-to-use SDKs, Passio allows businesses to add artificial intelligence and computer Read more +
Pricing Options	Free Trial available $0.5, month	No free trial $300, month
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What Do LangSmith and Passio Cost?

Pricing Option
Starting From	$0.5, month	$300, month
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LangSmith User Reviews & Rating Comparison

	Pros of LangSmith Observability for LLM apps Testing for LLM apps Open-source SDK Flexible integration Adaptable to different implementations App-level usage stats Real-time behavior monitoring Stochastic nature of LLMs Unit testing facilitation Test datasets creation	Pros of Passio Customizable SDKs Compatible with iOS and Android Integrated mobile data collection Tailored vertical-specific vision modules User-defined data taxonomy Supports data annotation Complete end-to-end development Module for Mindseye Accommodates brand-specific user interfaces Easy deployment on mobile
	Cons of LangSmith Limited to LLM applications Restricted early access Beta version risks Relies on flexible adaptation No standalone testing environment Stochastic nature uncertainty Requires explicit integration Dataset curation needed Observability depends on adaptation No mention of cross-platform compatibility	Cons of Passio Limited to mobile platforms Specific industry focused modules Might need specific technical knowledge No clear pricing information Dependent on user-collected data Lack of tool integration Limited customization options App-dependent performance evaluation SDK testing required

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LangSmith offers Free Trial, but Passio does not.

Pricing for LangSmith Starts at $0.5/month whereas for Passio Starts at $300/month.

LangSmith offers several advantages, including Observability for LLM apps, Testing for LLM apps, Open-source SDK, Flexible integration, Adaptable to different implementations and many more functionalities.

The cons of LangSmith may include a Limited to LLM applications, Restricted early access, Beta version risks, Relies on flexible adaptation. and No mention of cross-platform compatibility

Passio offers several advantages, including Customizable SDKs, Compatible with iOS and Android, Integrated mobile data collection, Tailored vertical-specific vision modules, User-defined data taxonomy and many more functionalities.

The cons of Passio may include a Limited to mobile platforms, Specific industry focused modules, Might need specific technical knowledge, No clear pricing information. and SDK testing required

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

LangSmith vs Passio - Which AI App Development Software Platform Is Better in August 2025?

LangSmith

Passio

TL;DR - Quick Comparison Summary

Description

Pricing Options

What Do LangSmith and Passio Cost?

Pricing Option

Starting From

LangSmith User Reviews & Rating Comparison

Pros of LangSmith

Pros of Passio

Cons of LangSmith

Cons of Passio

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Frequently Asked Questions (FAQs)