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Best Portkey Alternatives

124 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

12.7K11w ago102
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Top Alternatives to Portkey

L

Langfuse

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

OSSfreemium
Langfuse
33.0Ktoday193
2 shared tags
A

Arize Phoenix

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

OSSfreemium
Arize AI
11.0K250.0K/wtoday205
2 shared tags
H

Helicone

Open-source LLM observability proxy with one-line integration

OSSfreemium
Helicone
6.1K2w 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

AgentCheck

Debug LLM agents with reproducible recordings and controlled interventions over MCP

OSSFree
Research
2 shared tags
A

AgentDev

Lightweight AI agent framework with built-in debugger for development workflows

OSSFree
AgentDev
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

Compare directly

Portkey vs LangfusePortkey vs Arize PhoenixPortkey vs HeliconePortkey vs AegisUI