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Best Portkey Alternatives

53 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

11.1K7d ago100
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Top Alternatives to Portkey

A

Arize Phoenix

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

OSSfreemiumTrending
Arize AI
8.5K250.0K/w4d ago120
2 shared tags
L

Langfuse

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

OSSfreemium
Langfuse
24.1Ktoday141
2 shared tags
H

Helicone

Open-source LLM observability proxy with one-line integration

OSSfreemium
Helicone
5.4K2d ago97
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

Agent Lifecycle Toolkit (ALTK)

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

OSSFree
Multiple Authors
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
E

ElephantBroker

Knowledge-grounded cognitive runtime for trustworthy AI agents with verifiable memory

OSSFree
Cognee
2 shared tags
M

MCP-in-SoS

Security risk assessment framework for evaluating open-source MCP server implementations

OSSFree
Research
2 shared tags
m

mcp-sec-audit

Security auditing toolkit for MCP servers with static analysis and sandboxed testing

OSSFree
Charoes Huang
2 shared tags

Compare directly

Portkey vs Arize PhoenixPortkey vs LangfusePortkey vs HeliconePortkey vs AegisUI