Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models
Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models

12 alternatives to Manifest, matched by what they do.
| Rank | Tool & Tagline | Official Domain |
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| Monthly Visits |
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| MoM Growth |
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| Pricing Model |
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| Primary Market |
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| Rating |
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| Compare |
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| ● | Manifest | manifest.build | 54.14K | -16.19K (-23%) | Free | United States | 4.5 | Profile |
| 1 | LLM Gateway | llmgateway.io | 168.43K | -28.46K (-14.5%) | Freemium, Contact for Pricing | South Korea | 4.6 | Compare |
| 2 | OrcaRouter | orcarouter.ai | 975.3K | -53.81K (-5.2%) | Freemium | United States | 4.3 | Compare |
| 3 | LiteLLM | litellm.ai | 576.97K | 42.48K (+7.9%) | Freemium, Contact for Pricing | United States | 4.8 | Compare |
| 4 | Respan | respan.ai | 91.5K | -15.53K (-14.5%) | Freemium | United States | 4.5 | Compare |
| 5 | OpenRouter | openrouter.ai | 19.94M | -1.33M (-6.2%) | Paid | United States | 4.8 | Compare |
| 6 | APIPark | apipark.com | 30.74K | 3.64K (+13.4%) | Freemium, Contact for Pricing | United States | 4.4 | Compare |
| 7 | Helicone | helicone.ai | 57.19K | -19.24K (-25.2%) | Freemium, Free Trial, Paid, Contact for Pricing, Free | United States | 4.6 | Compare |
| 8 | Portkey | portkey.ai | 195.65K | -20.41K (-9.4%) | Freemium, Paid, Contact for Pricing | United States | 4.7 | Compare |
| 9 | Groq | groq.com | 3.99M | 362.74K (+10%) | Paid | India | 4.7 | Compare |
| 10 | RightNow Inference (RunInfra) | runinfra.ai | 18.11K | -5.28K (-22.6%) | Free Trial, Paid, Contact for Pricing | India | 4.4 | Compare |
| 11 | Not Diamond | notdiamond.ai | 29.24K | 5.9K (+25.3%) | Freemium, Paid, Contact for Pricing | Australia | 4.4 | Compare |
| 12 | ZenMux | zenmux.ai | 444.39K | 63.49K (+16.7%) | Freemium, Paid | China | 4.4 | Compare |
Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models
Free / Open-sourceOne OpenAI-compatible API to route, monitor and control 250+ LLM models
One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control
One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control

Free / Open-sourceOne open-source AI gateway for 100+ LLM providers

Free / Open-sourceOpen-source AI gateway with observability and evals built in
Free / Open-sourceOpen-source AI gateway with observability and evals built in
One API key for hundreds of AI models from every major provider

Free / Open-sourceOpen-source AI gateway and developer portal for APIs and LLMs
Free / Open-sourceOpen-source LLM observability and AI gateway for shipping reliable AI apps
Free / Open-sourceOpen-source LLM observability and AI gateway for shipping reliable AI apps
AI gateway, observability and guardrails for production LLM apps

Ultra-fast AI inference on the LPU and LPX platform

Open models served fast, with warm-cache routing for agents
Open models served fast, with warm-cache routing for agents

Intelligent model routing for coding agents
Intelligent model routing for coding agents

One unified API for 100+ AI models, with insurance when output disappoints
One unified API for 100+ AI models, with insurance when output disappoints