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Introducing Span-02

Ashr vs Moda (2026)

Updated March 27, 2026

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Overview

Rating
10.0 / 10
Rating
10.0 / 10
Best For
Teams building multi-modal AI agents
Best For
Teams monitoring conversational AI agents
Product Summary

Generates synthetic multi-modal user simulations to stress-test AI agents before production, catching errors manual testing misses.

Product Summary

Turns agent conversations and tool traces into actionable signals — detects hallucinations, tool-call failures, prompt injections, and user frustration.

Starting Price
Free
Starting Price
Contact for pricing
Free Trial
Yes
Free Trial
No
Free Version
Yes
Free Version
No
Website

Key features

Core capabilities each platform advertises.

AshrAshr
  • Multi-modal synthetic testing
  • Voice/text/image simulations
  • Pre-production agent stress testing
  • Error detection
  • Automated test generation
ModaModa
  • Hallucination detection
  • Tool-call failure monitoring
  • Prompt injection detection
  • User frustration signals
  • Actionable trace analysis

Strengths and tradeoffs

What each tool does well, and the limitations to keep in mind.

AshrAshr

Pros

  • Addresses critical gap in systematic testing for probabilistic AI agents
  • Multi-modal coverage across voice, text, image, and file generation is rare
  • Free tier lowers adoption barrier for teams evaluating the platform
  • Prompt versioning with regression tracking is a strong developer experience feature
  • Both founders have prior AI startup experience including a successful exit

Cons

  • Very early stage with only 2 people — scaling support uncertain
  • Paid pricing tiers not publicly disclosed
  • Competes with Braintrust, Arize, and LangSmith expanding into agent testing
  • SDK-only integration may limit adoption with non-technical teams
ModaModa

Pros

  • Clear Datadog-for-agents positioning that is easy to understand
  • Both founders have direct AI agent production experience at Shopify and Notion
  • Plain-language signal definition is a strong differentiator vs code-heavy eval tools
  • Built-in security monitoring for prompt injection and jailbreaks at no extra config
  • Agent replay and batch testing enable rapid debugging of production failures

Cons

  • Only 2 people with no disclosed pricing, revenue, or customers
  • Crowded observability space with Arize, Braintrust, LangSmith, and Datadog expanding
  • No public pricing may slow self-serve developer adoption
  • Detection confidence of 87-94% means some failures still slip through

Ashr or Moda — which should you choose?

Choose Ashr if you want

  • Agent testing
  • Multi-modal QA
  • Pre-deployment validation
  • Edge case discovery

Choose Moda if you want

  • Agent conversation monitoring
  • Safety detection
  • User experience optimization
  • Trace analysis

Compare Ashr and Moda on your own traffic

10KFree traces/mo
1,000+Models
5 minSetup

Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 1,000+ models through one gateway.

Try Respan free

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