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Best Portkey Alternatives

95 dev tools you can use instead of Portkey. Ranked by popularity, tag overlap, and live GitHub signals.

api-gatewayguardrailscachingobservabilitymulti-modelopen-source
P

Portkey

Reference

AI gateway with guardrails, caching, and observability for 200+ LLMs — 11K+ stars

12.4K6w ago101
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Top Alternatives to Portkey

L

Langfuse

Open-source LLM engineering platform — traces, evals, prompt management — 23K+ stars

OSSfreemium
Langfuse
30.9Ktoday183
2 shared tags
A

Arize Phoenix

Open-source LLM observability with tracing, evaluation, and datasets — 8K+ stars

OSSfreemium
Arize AI
10.5K250.0K/wtoday187
2 shared tags
H

Helicone

Open-source LLM observability proxy with one-line integration

OSSfreemium
Helicone
5.9K5d ago96
2 shared tags
A

AegisUI

Semantic security layer detecting malicious UI behaviors in AI agent systems beyond schema validation

OSSFree
Research Team (Uddin & Hajira)
2 shared tags
A

Agent Audit

Security analysis system for LLM agent applications and MCP configurations

OSSFree
Research Project
2 shared tags
A

AgentBeats

Agent-based evaluation framework where AI judges assess other agents through standardized protocols

OSSFree
Research
2 shared tags
A

AgentLens

Interpretable safety framework for steering coding agent behavior via LLM internal representations

OSSFree
Research Team
2 shared tags
A

Agent Lifecycle Toolkit (ALTK)

Standardized middleware for production-ready AI agents with built-in failure handling

OSSFree
Multiple Authors
2 shared tags
C

CausalFlow

Causal debugging framework that converts failed LLM agent traces into minimal counterfactual fixes

OSSFree
Research
2 shared tags
C

ClawTrap

MITM red-teaming framework for testing autonomous web agent security in real-world scenarios

OSSFree
Independent Researchers
2 shared tags
C

Cognitive Firewall

Hybrid edge-cloud security defense against prompt injection attacks on browser AI agents

OSSFree
Research Team
2 shared tags
C

CUA-Suite

Large-scale human-annotated video dataset for training computer-use agents

OSSFree
Research Team
2 shared tags

Compare directly

Portkey vs LangfusePortkey vs Arize PhoenixPortkey vs HeliconePortkey vs AegisUI