Manifest - Product screenshot

Overview

Manifest functions as an open-source LLM Gateway, addressing the common issue of unreliable LLM API calls in production environments. It aims to prevent the 5% of LLM API calls that typically fail, which are often avoidable errors. The platform provides a robust infrastructure for managing and optimizing interactions with various LLM providers, ensuring that AI agents and applications maintain continuous operation.

How Manifest Works

The core functionality of Manifest includes an Autofix mechanism that repairs broken requests on the fly before they reach the agent, ensuring zero downtime. It also offers Model Fallbacks, allowing the system to automatically retry requests on alternative providers if one fails. For comprehensive oversight, Manifest provides Full Body Logs to inspect complete request and response bodies, alongside Cost Visualization to track spending by agent, key, and provider.

Key Use Cases

  • AI Builders: Connect agents and harnesses to any LLM provider, customize routing, and maximize subscription plans.
  • Teams & Startups: Manage inference consumption, track every request and token through a unified interface, and control AI application settings.
  • Platforms & Providers: Facilitate smooth connections to models for users, preventing client errors that could impact user experience and revenue.

Manifest supports self-hosting, allowing users to run the LLM router on their own infrastructure or machines. It also integrates with local models like Ollama, LM Studio, and llama.cpp, enabling users to decide which data stays local and which goes to the cloud. Users can bring their own API keys for various providers, paying usage directly.

Key features

  • LLM Gateway for multiple providers
  • Autofix bad API requests on the fly
  • Model fallbacks for reliability
  • Full body logs for every call
  • Cost visualization by agent, key, and provider
  • Support for local and custom models
  • Self-hosting capability
  • API Bot for upstream API change management

Who uses it

Manifest targets AI builders developing agents and harnesses, teams and startups managing AI inference consumption, and platforms and providers aiming to ensure reliable model connections for their users.

Pros

  • Ensures zero downtime for LLM API calls through on-the-fly autofixing.
  • Offers comprehensive observability for usage, reliability, and costs.
  • Supports self-hosting and integration with local LLMs like Ollama.
  • Provides model fallbacks to automatically retry on other providers.
  • Open-source nature allows for transparency and community contributions.

Cons

  • Advanced features or enterprise-level support may require contacting sales.
  • Self-hosting requires technical expertise and infrastructure management.
  • The free cloud version might have usage limitations not explicitly stated.

Our take

This tool provides a robust solution for managing and enhancing the reliability of LLM API interactions within AI applications. It is particularly useful for developers and teams building agentic workflows that require consistent performance.

Pricing plans

Free

$0 /month

  • Manifest Cloud or self-hosted with Docker, MIT licence
  • Unlimited agents
  • 10,000 routed requests / month on Cloud, unlimited self-hosted
  • All providers, no restrictions
  • Subscription providers (Claude, ChatGPT, Gemini...)
  • 7-day dashboard retention
  • Autofix
  • Budget alerts and notifications
  • Community support via Discord

Pro

$19 /month

  • Hosted on Manifest Cloud
  • Everything in the Free plan, plus:
  • Unlimited routed requests
  • 365 days dashboard retention
  • Basic support (platform issues, billing, licence activation)

Enterprise

Let's Talk

  • On-premise, in your VPC or private cloud
  • Multiple seats and team management
  • SSO / SAML
  • Audit logs
  • Custom retention
  • Contractual uptime SLA
  • HIPAA and custom BAAs
  • Custom guardrails
  • Dedicated support (Slack and email)

Pricing details are provided for reference and may differ from the vendor's current plans.

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