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Fixie Alternatives

The fastest way to build conversational AI agents

Explore 26 alternatives to Fixie across 2 categories. Each tool listed below shares at least one category with Fixie.

🕵️‍♀️ Agents

AgentOps

Build compliant AI agents with observability, evals, and replay analytics.

Free Trial

AutoGen

Microsoft's framework for building multi-agent AI applications with event-driven messaging

Open Source

Composio

Tool integration platform connecting AI agents to 1,000+ apps with managed auth and execution

Open Source Free Trial

CrewAI

Framework for orchestrating role-playing, autonomous AI agents.

Open Source

Dendrite

Rethinking the internet for AI agents.

Free Trial

E2B

Open-source cloud sandboxes for running AI-generated code securely in Firecracker microVMs

Open Source Free Trial

LangGraph

Low-level framework for building stateful, long-running AI agents with graph-based orchestration

Open Source Free Trial

Langroid

Multi-agent LLM framework using message-based task delegation inspired by the Actor model

Open Source

Letta

Framework for building stateful AI agents with persistent memory, formerly MemGPT

Open Source Free Trial

LLM Browser

Enable your AI agents to access any website without worrying about captchas, proxies and anti-bot challenges

Open Source Free Trial

Pydantic AI

Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection

Open Source

Semantic Kernel

Microsoft's SDK for building and orchestrating AI agents in .NET, Python, and Java

Open Source

Smolagents

Lightweight Python agent framework from Hugging Face where agents write Python code instead of JSON tool calls

Open Source

Superagent

Prototype and deploy agents powered by large language models.

Open Source Free Trial

✍️ Prompt engineering

Dendrite

Rethinking the internet for AI agents.

Free Trial

Dify

Easily build and operate generative AI applications. Create Assistants API and GPTs based on any LLMs.

Open Source Free Trial

FinetuneDB

Capture production data, evaluate outputs collaboratively, and fine-tune your LLM's performance

Giskard

Eliminate risks of biases, performance issues & security holes in AI models. In <10 lines of code.

Open Source Free Trial

Klu

Collaborate on prompts, evaluate, and optimize LLM-powered Apps with Klu.

Free Trial

Knit

Professional prompt editors with gpt-4-turbo/vision, gemini-pro and more models, function call simulation and more!

Free Trial

Portkey

AI gateway for routing to 1,600+ LLMs with observability, guardrails, and prompt management

Open Source Free Trial

PromptFoo

Open-source CLI for testing, evaluating, and red-teaming LLM applications

Open Source Free Trial

PromptLayer

Visually manage prompts. Evaluate models. Log LLM requests. Search usage history. Collaborate as a team.

Free Trial

PromptLeo

Advanced prompt engineering platform for prompt engineers to create, test, and change prompts.

Free Trial

Prompt Mixer

Open source app for prompt testing

Open Source

Superagent

Prototype and deploy agents powered by large language models.

Open Source Free Trial

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