Semantic Observability Layer That Discovers Agent Behavior

11/15
DemandSome InterestBuild2-Week BuildMarketWide Open

The Problem

AI teams deploying agentic systems face unreliable emergent behaviors, with Gartner predicting over 40% of projects canceled by 2027 due to observability gaps. The market sees 89-90% planning production AI agents, but only ~5% achieve revenue acceleration from pilots. Enterprises currently spend $1.1B annually on AI observability (2025), expanding budgets as tool consolidation favors integrated platforms.

Real Demand Evidence

Found on x.com/@leonardtang_·Today

Traditional observability (predefined metrics) fails for agents. Semantic Observability — system discovers emergent behaviors after execution. In agent observability, ontology follows execution.

Core Insight

Automates post-execution discovery of emergent agent behaviors and converts them directly into metrics, evals, and regression tests—filling gaps in competitors like Phoenix and Dynatrace that track but don't auto-generate tests.

Target Customer
AI engineers and ML platform teams at mid-size tech companies (50-500 employees) building multi-agent LLM systems; 42.6% North America market share with $2.2B total AI agent observability spend in 2026
Revenue Model
Freemium with open-source core ($0 for <5k traces/month), Pro tier at $99/month (50k traces), Enterprise $999+/month or $5k/year (unlimited + custom evals); usage-based at $0.05 per 1k traces to undercut Arize/Dynatrace while matching Atlan value for indie hackers scaling to production

Competitive Landscape

Dynatrace

Custom enterprise pricing; starts at approximately $0.10 per GB of data ingested monthly (contact sales for agentic AI specifics)

Direct

Lacks automatic conversion of discovered emergent agent behaviors into metrics, evals, and regression tests; focuses more on general AI observability for reliability and security without post-execution behavior discovery.

Phoenix (Arize AI)

$0 (open-source core); Arize Enterprise: $500/month for 10k traces, scales to $5k+/month for production volumes

Direct

Strong in hallucination detection and experiment tracking but does not automatically generate regression tests or evals from post-execution analysis of emergent behaviors in multi-agent systems.

Atlan

Starter: Free; Team: $50/user/month; Enterprise: Custom (avg. $100k+/year for mid-size teams)

Adjacent

Emphasizes data observability with agentic profiling for issues like freshness and lineage, but misses deep post-execution discovery and automatic conversion of agent behaviors into metrics and tests.

Knostic

Custom pricing; reported $20k-$100k/year based on API volume and team size

Direct

Performs semantic drift analysis and behavior patterns but does not automatically convert discovered agent behaviors into regression tests or evals; more focused on alignment and cost metrics.

Monte Carlo

Growth: $30k/year; Enterprise: $100k+ annually

Indirect

Excels in data observability for pipelines but lacks specific post-execution analysis for emergent AI agent behaviors and auto-generation of evals or tests.

Willingness to Pay

  • 70% of organizations increased observability spending in 2025, with 75% planning further increases in 2026 as AI agent deployments scale.

    https://zylos.ai/research/2026-01-16-ai-observability-agent-monitoring

    $1.1B market in 2025 growing to $3.4B by 2035
  • BFSI entities held 27.3% of total spend in 2024 on semantic layers for agentic AI due to regulatory needs.

    https://www.mordorintelligence.com/industry-reports/semantic-layer-and-knowledge-graph-for-agentic-ai-market

    $1.73B market in 2025 (27.3% BFSI share)
  • Global cybersecurity budgets reached $240 billion in 2026, with AI observability increasingly viewed as a security requirement tied to agent monitoring.

    https://zylos.ai/research/2026-01-16-ai-observability-agent-monitoring

    $240B total cybersecurity spend

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