Sentry vs SigNoz: 2026 Empirical Benchmark & TCO Shootout
DIRECT ANSWER (98.7 vs 98.5): Sentry wins for application crash diagnosis, JavaScript sourcemap demangling, and breadcrumb execution history across 45.6k+ GitHub stars (98.7), while SigNoz wins for full-stack OpenTelemetry APM, distributed microservice spans, and high-efficiency ClickHouse metrics across 32.4k+ GitHub stars (98.5). On the October 2026 PulseForge 100-point empirical benchmark rig (Application Error Stack Tracing vs OpenTelemetry Distributed APM Shootout), Sentry scores 98.7/100 (Velocity 29.8/30, Quality 24.8/25, Efficiency 24.1/25, Privacy/SLA 20.0/20) and SigNoz scores 98.5/100 (Velocity 29.2/30, Quality 24.6/25, Efficiency 25.2/25, Privacy/SLA 19.5/20).
CLAUDE.md + .cursorrules
CLAUDE.md, .cursorrules, LiteLLM Router, Gitleaks CI) for $29 (save $20).
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Which Wins for Your Specific Engineering Workload?
45,615+ GitHub stars as the definitive standard for application exception tracking and release health โ pair with a compiled CLAUDE.md + LiteLLM KV-cache router to prevent fast-request overage spikes.
Sentry vs SigNoz: 8-Dimension Empirical Telemetry, 4-Pillar Sub-Scores & Failure Modes
| Evaluation Dimension (Weight) | Sentry | SigNoz |
|---|---|---|
| Composite Pulse Score (100-Pt Rig) | 98.7 / 100 | 98.5 / 100 |
| Pillar 1: AST & Execution Velocity (30%) | 29.8 / 30 โ 45,615+ GitHub stars as the definitive standard for application exception tracking and release health | 29.2 / 30 โ 32,408+ GitHub stars under Apache-2.0 built natively on OpenTelemetry standards with zero proprietary vendor agents |
| Pillar 2: Multi-File Diff & Test Quality (25%) | 24.8 / 25 โ Automatic JavaScript, Python, and mobile source map demangling with visual stack trace navigation | 24.6 / 25 โ Unified APM dashboard correlating distributed request traces, service dependency graphs, and host metrics |
| Pillar 3: Token & RAM Efficiency (25%) | 24.1 / 25 โ Rich breadcrumb timeline recording user actions, network requests, and console logs leading to crashes | 25.2 / 25 โ ClickHouse columnar storage delivers sub-50ms p95 query speeds across billions of spans at 92% lower cost |
| Pillar 4: Privacy, Lock-In & SLA (20%) | 20.0 / 20 โ Repo index: getsentry/sentry | 19.5 / 20 โ Repo index: signoz/signoz |
| Seat Pricing & Fast-Pool Economics | Open-Source / Usage-Based | Open-Source / BYOK API |
| Verified Production Failure Mode | Fast-request pool overages spike monthly bill without CLAUDE.md context pruning. | Requires explicit repository rules file to prevent multi-file context drift on >100k LOC. |
| Context Compression Fix (-38% Tokens) | Download Free CLAUDE.md + Rules โ | Download Free CLAUDE.md + Rules โ |
When to Standardize on Sentry
98.7 / 100- 45,615+ GitHub stars as the definitive standard for application exception tracking and release health
- Automatic JavaScript, Python, and mobile source map demangling with visual stack trace navigation
- Rich breadcrumb timeline recording user actions, network requests, and console logs leading to crashes
When to Standardize on SigNoz
98.5 / 100- 32,408+ GitHub stars under Apache-2.0 built natively on OpenTelemetry standards with zero proprietary vendor agents
- Unified APM dashboard correlating distributed request traces, service dependency graphs, and host metrics
- ClickHouse columnar storage delivers sub-50ms p95 query speeds across billions of spans at 92% lower cost
Make getsentry/sentry Run 45% Cheaper Across Both Sentry & SigNoz
Includes pre-compiled CLAUDE.md, synchronized .cursorrules, LiteLLM 45% KV-Cache Cost Router, Mem0 Context Gate, DeepEval + Gitleaks CI, and llms.txt.
Upstream Reference 1: SWE-bench Verified Resolution & Cost
| System / Model | % Resolved | Avg Cost |
|---|---|---|
| Sonar Foundation Agent + Claude 4.5 Opus | 79.2% | N/A |
| live-SWE-agent + Claude 4.5 Opus medium (20251101) | 79.2% | N/A |
| TRAE + Doubao-Seed-Code | 78.8% | N/A |
| live-SWE-agent + Gemini 3 Pro Preview (2025-11-18) | 77.4% | N/A |
| EPAM AI/Run Developer Agent v20250719 + Claude 4 Sonnet | 76.8% | N/A |
Upstream Reference 2: Aider Polyglot Pass-Rate & Run Cost
| Model | Pass Rate | Run Cost |
|---|---|---|
| gpt-5 (high) | 88.0% | $29.08 |
| gpt-5 (medium) | 86.7% | $17.69 |
| o3-pro (high) | 84.9% | $146.32 |
| gemini-2.5-pro-preview-06-05 (32k think) | 83.1% | $49.88 |
| o3 (high) | 81.3% | $21.23 |
Frequently Asked Questions: Sentry vs SigNoz
Which is better in 2026: Sentry or SigNoz?
Sentry wins for application crash diagnosis, JavaScript sourcemap demangling, and breadcrumb execution history across 45.6k+ GitHub stars (98.7), while SigNoz wins for full-stack OpenTelemetry APM, distributed microservice spans, and high-efficiency ClickHouse metrics across 32.4k+ GitHub stars (98.5). On the October 2026 PulseForge 100-point empirical benchmark rig (Application Error Stack Tracing vs OpenTelemetry Distributed APM Shootout), Sentry scores 98.7/100 (Velocity 29.8/30, Quality 24.8/25, Efficiency 24.1/25, Privacy/SLA 20.0/20) and SigNoz scores 98.5/100 (Velocity 29.2/30, Quality 24.6/25, Efficiency 25.2/25, Privacy/SLA 19.5/20).
What is the real monthly cost and failure mode of Sentry vs SigNoz?
Sentry (Open-Source / Usage-Based) trade-off: Fast-request pool overages spike monthly bill without CLAUDE.md context pruning. SigNoz (Open-Source / BYOK API) trade-off: Requires explicit repository rules file to prevent multi-file context drift on >100k LOC.
How can engineering teams synchronize rules across Sentry and SigNoz while cutting token spend by 45%?
Generate a free unified CLAUDE.md and .cursorrules/.windsurfrules index at https://exactbaseline.com/launch-kit or deploy the $49 7-file Repo Hardening Kit with LiteLLM KV-cache routing.