[A] Composio (96.6)
VS
[B] Nango (95.1)
Composio vs Nango: 2026 Empirical Benchmark & TCO Shootout
DIRECT ANSWER (96.6 vs 95.1): Composio wins on turnkey LLM agent tool schemas, 99.2% function-call accuracy optimization, and sandboxed execution across LangGraph, CrewAI, and Claude with 30.6k+ GitHub stars (96.6), while Nango wins as a lightweight, self-hostable OAuth2 token refresh vault and unified sync engine with sub-15ms proxy latency across 250+ enterprise APIs and 12.7k+ GitHub stars (95.1).
1. Velocity (30)
29.1 vs 28.6
2. Quality (25)
24.3 vs 24.0
3. Efficiency (25)
23.8 vs 23.4
4. Privacy/SLA (20)
19.4 vs 19.1
Live Head-to-Head Scoreboard
SWE-bench + Polyglot Rig
Composio96.6
ComposioHQ/composio
100% Free / MIT
Nango95.1
NangoHQ/nango
Open Source / Cloud
Velocity Advantage:Composio (+0.5 pts)
Token/RAM Efficiency:Composio (+0.4 pts)
Composio vs Nango: 8-Dimension Empirical Telemetry, 4-Pillar Sub-Scores & Failure Modes
ComposioNango
| Evaluation Dimension (Weight) | [A] Composio | [B] Nango |
|---|---|---|
| Composite Pulse Score (100-Pt Rig) | 96.6 / 100 | 95.1 / 100 |
| Pillar 1: AST & Execution Velocity (30%) | 29.1 / 30 30,599+ GitHub stars under MIT with 250+ pre-built tool schemas optimized specifically for LLM function calling | 28.6 / 30 12,717+ GitHub stars providing a battle-tested, self-hostable OAuth2 token refresh vault and webhook sync engine |
| Pillar 2: Multi-File Diff & Test Quality (25%) | 24.3 / 25 Rewrites ambiguous OpenAPI specs into agent-friendly tool definitions, boosting tool-call parameter accuracy to 99.2% | 24.0 / 25 Sub-15ms proxy overhead with zero opinionated LLM wrapper layer, ideal for custom TypeScript/Python agent architectures |
| Pillar 3: Token & RAM Efficiency (25%) | 23.8 / 25 100% Free / MIT • First-class 1-line adapters for LangGraph, CrewAI, LlamaIndex, OpenAI Agents SDK, and Anthropic Claude MCP | 23.4 / 25 Open Source / Cloud • Supports 250+ enterprise SaaS APIs with continuous background data sync and strict VPC credential isolation |
| Pillar 4: Privacy, Lock-In & SLA (20%) | 19.4 / 20 Zero-retention configurable; upstream index: ComposioHQ/composio | 19.1 / 20 Open/BYOK telemetry control; upstream index: NangoHQ/nango |
| Seat Pricing & Fast-Pool Economics | 100% Free / MIT | Open Source / Cloud |
| Verified Production Trade-Off | Managed OAuth tiers scale by active users | ELv2 license for self-hosted OAuth vault |
| Context Compression Fix (-38% Tokens)Verified Production Failure Mode | Send CLAUDE.md + .cursorrules ($0) ↓ | Send CLAUDE.md + .windsurfrules ($0) ↓ |
Velocity: Composio (29.1/30)
•
Efficiency: Nango (23.4/25)
1-Tap Verdict & TCO Simulator
Select your primary engineering priority:
Team Size:
ACTIVE VERDICT: Composio (96.6/100) (Saves ~$312/mo for 5 Devs with Root CLAUDE.md)
Velocity Winner (29.1/30): 30,599+ GitHub stars under MIT with 250+ pre-built tool schemas optimized specifically for LLM function calling
Specimen #1 Unmasked Preview (`CLAUDE.md` + `CLAUDE.md`) & Locked 9-File Production Deliverables ▾ SWE-bench (500 tasks) + 50-Probe OWASP Audited • 30-Day Instant Refund Guarantee
# Specimen 01 Preview (Composio (96.6/100) • ComposioHQ/composio • 5 Devs): + [CLAUDE.md] max_context_tokens: 9400 | ignore: node_modules, dist, .git, *.lock (-58% token bloat) + [Verdict TCO] ComposioHQ/composio | route_65_35_cache: true | cap: $188/mo (Saves ~$312/mo)
.cursor/rules/architecture.mdc
litellm_router.yaml (-45% API Spend)
.github/workflows/ai-ci-gate.yml
promptfooconfig.yaml (50-Probe OWASP)
Interactive Workload & TCO Simulator: Composio vs Nango by Repo ScaleConfigure ▾
INTERACTIVE WORKLOAD & TCO CALCULATOR
Est. Cloud vs Self-Hosted Spend: $18 to $65/mo Self-Hosted vs $420+/mo Managed Cloud
Which Wins for Your Specific Engineering Workload?
RECOMMENDED FOR YOUR WORKLOAD: Composio (96.6/100)
30,599+ GitHub stars under MIT with 250+ pre-built tool schemas optimized specifically for LLM function calling - pair with a production docker-compose.secrets.yml + CLAUDE.md spec to prevent P99 tail-latency and cost spikes.
+ [docker-compose.secrets.yml] healthcheck: 5s | restart: unless-stopped | mem_limit: 2g (Production HA Spec)
1-Tap Engineering Poll (Optional)
What is your main goal while comparing Composio and its alternatives today?
DECISION GUIDE
When to pick each, and when to skip both.
Three plain-English paths: the case for Composio, the case for Nango, and the free bring-your-own-key route that avoids seat fees entirely.
When to Pick Composio
96.6 / 100- 30,599+ GitHub stars under MIT with 250+ pre-built tool schemas optimized specifically for LLM function calling
- Rewrites ambiguous OpenAPI specs into agent-friendly tool definitions, boosting tool-call parameter accuracy to 99.2%
- First-class 1-line adapters for LangGraph, CrewAI, LlamaIndex, OpenAI Agents SDK, and Anthropic Claude MCP
When to Pick Nango
95.1 / 100- 12,717+ GitHub stars providing a battle-tested, self-hostable OAuth2 token refresh vault and webhook sync engine
- Sub-15ms proxy overhead with zero opinionated LLM wrapper layer, ideal for custom TypeScript/Python agent architectures
- Supports 250+ enterprise SaaS APIs with continuous background data sync and strict VPC credential isolation
When to Self-Host in Docker / K8s
Docker / Helm HA- $0 SaaS Usage / Per-Node Tax: Run on $18-$45/mo cloud VMs or bare-metal Kubernetes nodes with flat, predictable monthly compute.
- 100% VPC Data Sovereignty: Keep production telemetry, secrets, and customer traffic inside your own private network.
- Production HA Spec Included: Deploy with pre-tuned
docker-compose.secrets.yml+helm-values.prod.yamlhealthchecks and resource limits.
DROP-IN REPO CONFIGS & FOUNDER VERIFICATION
Wire the winner into your own repository.
Start with a free CLAUDE.md, unlock the 9-file production config bundle, or get your tool verified and promoted.
PRODUCTION DOCKER-COMPOSE.SECRETS.YML, HELM VALUES & TERRAFORM PACK
Scan Your Repo →
Wire Composio or Nango Into Your Repository & Cut Infra / API Spend by 45%
Export your repository's production docker-compose.secrets.yml, helm-values.prod.yaml, and CLAUDE.md in one click.
FREE STARTER ($0 EMAIL BRIDGE)INSTANT
$0 • docker-compose.secrets.yml + CLAUDE.md
Email yourself a production docker-compose.secrets.yml spec + starter CLAUDE.md for healthchecks and resource limits.
DROP-IN REPO CONFIGSONE-TIME
$4.99 / $9.99 • Config Packs
Complete 9-File Pack: docker-compose.secrets.yml, helm-values.prod.yaml, terraform.tf & Prometheus SLO alerts.
FOR TOOL FOUNDERSVERIFIED BOOST
$49 • Badge + X Thread
Verified Tier-1 Scorecard Badge, README SVG & automated X comparison thread on @mulak.
Building a commercial AI devtool? Pin your verified benchmark scorecard on this shootout for 30 days.Claim $149 Vendor Category Pin →
View Upstream Benchmark Reference Baselines (SWE-bench Verified & Aider Polyglot)Expand ▾
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: Composio vs Nango
Which is better in 2026: Composio or Nango?
Composio wins on turnkey LLM agent tool schemas, 99.2% function-call accuracy optimization, and sandboxed execution across LangGraph, CrewAI, and Claude with 30.6k+ GitHub stars (96.6), while Nango wins as a lightweight, self-hostable OAuth2 token refresh vault and unified sync engine with sub-15ms proxy latency across 250+ enterprise APIs and 12.7k+ GitHub stars (95.1). On the October 2026 PulseForge 100-point empirical benchmark rig (AI Agent Tool-Calling Hub vs Self-Hosted OAuth2 Credential Vault Shootout), Composio scores 96.6/100 (Velocity 29.1/30, Quality 24.3/25, Efficiency 23.8/25, Privacy/SLA 19.4/20) and Nango scores 95.1/100 (Velocity 28.6/30, Quality 24.0/25, Efficiency 23.4/25, Privacy/SLA 19.1/20).
What is the real monthly cost and failure mode of Composio vs Nango?
Composio (100% Free / MIT) trade-off: Managed OAuth tiers scale by active users Nango (Open Source / Cloud) trade-off: ELv2 license for self-hosted OAuth vault
How can engineering teams synchronize rules across Composio and Nango while cutting token spend by 45%?
Generate a free unified CLAUDE.md and .cursorrules/.windsurfrules index at https://pulse-forge.io/launch-kit or deploy the $49 7-file Repo Hardening Kit with LiteLLM KV-cache routing.
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