Best Free OpenRouter Alternatives
23 alternatives to OpenRouter with a free plan or free tier, ranked by how closely they match. The percentage is a match score, not a popularity score.
Replacing: OpenRouter — Every model, one endpointInput: text, images, audio, video · Output: text, images, audio, video
1
CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers
Aggregation layer over hundreds of model providers; free tier and trial, from $4
Input: text, images · Output: text, images, video
Free planFrom $4/moAPI
90%Near drop-in replacement · same core category as OpenRouter
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
2
This LLM gateway lets teams tap into over 100 AI models through one API endpoint
LLM gateway for 100+ models via one OpenAI-compatible endpoint; team features
Input: text, images, audio · Output: text, images, audio, video
Free planFrom $199/moAPITeams
90%Near drop-in replacement · same core category as OpenRouter
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Software Development
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
3
Developers wanting access to hundreds of AI models without juggling multiple API keys need something different than ChatGPT's single-model approach
One key for hundreds of models instead of juggling many; API access
Input: text, images · Output: text, images, audio, video
Free planAPI
86%Strong alternative · same core category as OpenRouter
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
4
AI DevTool LLM Dev-Tools Chat
Chat-based LLM dev tool; free tier, from $19.90
Input: text, images, code · Output: text, code
Free planFrom $19.9/mo
85%Strong alternative · same core category as OpenRouter
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 2 we tag OpenRouter for
API IntegrationLanguage Models
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
5
Managing multiple speech API accounts
Unifies speech, transcription and other AI APIs under one account; free tier
Input: text, audio · Output: text, audio
Free planAPI
80%Strong alternative · same core category as OpenRouter
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Text to SpeechTranscription
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
6
Vercel AI Gateway is a single API endpoint for hundreds of AI models from OpenAI, Anthropic, SpaceXAI, open-source providers and more.
Vercel's single endpoint for hundreds of models, fits the AI SDK; free tier, team features
Input: text, images, audio · Output: text, images, audio, video
Free planFrom $20/moAPITeams
80%Strong alternative · same core category as OpenRouter
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
7
One marketplace for all the AI models your app needs
Model marketplace for app builders; free tier, from $10
Input: text, images, video · Output: images, audio, video
Free planFrom $10/mo
74%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Software Development
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
8
Portkey puts a single API in front of more than 1,600 language models and wraps it with the controls a production AI team needs.
Gateway adding production controls and monitoring to 1,600+ models; from $49
Input: text · Output: text, data
Free planFrom $49/moAPITeams
74%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Software DevelopmentMonitoring
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
9
LiteLLM is an open-source AI gateway and LLM proxy that puts more than 140 providers and 1,800 models behind one OpenAI-compatible API key.
Open-source gateway and proxy for 140+ providers; free tier, team features
Input: text · Output: text, data
Free planAPITeams
72%Partial replacement — covers the main need with gaps
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Software DevelopmentMonitoring
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
10
Build on Claude's capabilities
Direct API from Anthropic for its own models; free tier and trial
Input: text, images, documents, code · Output: text, code
Free planFrom $17/mo
62%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
Score set by our editors after reviewing both products; the overlap below is what they weighed.
Shared goals 2 of the 2 we tag OpenRouter for
API IntegrationLanguage Models
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
11
The GitHub for machine learning
Input: text, images, audio, video · Output: text, images, audio, video, 3D
Free planFrom $9/mo
61%Partial replacement — covers the main need with gaps
00
How the score adds up
- Each lists the other's core category39/55
- Covers OpenRouter's goals19/25
- Feature description similarity6/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 2 we tag OpenRouter for
API IntegrationLanguage Models
Also tagged for
Software DevelopmentOpen Source Models
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
12
European AI with open-source roots
Input: text, images, audio, documents, code · Output: text, audio, code
Free planFrom $14.99/mo
61%Partial replacement — covers the main need with gaps
00
How the score adds up
- Each lists the other's core category39/55
- Covers OpenRouter's goals19/25
- Feature description similarity6/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 2 we tag OpenRouter for
API IntegrationLanguage Models
Also tagged for
CodingOpen Source ModelsAI AgentsDocument ExtractionResearchChatbots
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
13
WaveSpeedAI is a media generation platform that puts more than 1,000 image, video, audio, 3D and language models behind one API key.
Input: text, images, video · Output: text, images, audio, video, 3D
Free planAPI
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity3/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Image GenerationVideo GenerationImage to Video
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
14
Blackbox AI is an inference platform built around privacy and speed.
Input: text, code · Output: text, code
Free planAPI
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Coding
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
15
Run open-source AI without managing servers
Input: text, images · Output: text, images, audio, video
Free plan
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity6/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Software DevelopmentOpen Source Models
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
16
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity3/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Web ScrapingSearchResearchChatbots
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
17
Enterprise teams running open-source AI models in production get infrastructure that handles the heavy lifting without MLOps expertise
Input: text, code · Output: text, code
Free planAPI
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity6/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
18
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity4/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Web ScrapingSearchResearch
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
19
Enterprise AI for business language
Input: text, audio, documents · Output: text, data
Free plan
61%Partial replacement — covers the main need with gaps
00
How the score adds up
- Each lists the other's core category39/55
- Covers OpenRouter's goals19/25
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 2 of the 2 we tag OpenRouter for
API IntegrationLanguage Models
Also tagged for
Open Source ModelsAI AgentsChatbots
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
20
Production AI infrastructure
Input: text, images, code · Output: text, code
Free planAPI
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity8/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Software Development
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
21
Cheap AI inference
Input: text, images, audio · Output: text, images, audio, video
Free planAPI
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity6/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
22
You're building an AI app and need to run inference without spinning up your own GPU servers
Input: text, images, code · Output: text, images, video, code
Free planAPI
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity8/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Open Source Models
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
23
Developers wanting to build AI-powered apps usually face a messy reality
Input: text, images, audio, video · Output: text, images, audio, video, code
Free planFrom $10/moAPI
61%Partial replacement — covers the main need with gaps · same core category as OpenRouter
00
How the score adds up
- Same core category55/55
- Covers OpenRouter's goals16/25
- Feature description similarity7/20
Capped below the editor-ranked picks above it.
Shared goals 1 of the 2 we tag OpenRouter for
API Integration
Also tagged for
Video Generation
Goal tags are curated and capped, not a full feature audit — a missing tag is not a missing feature.
Can it really replace OpenRouter? Vote on each alternative — no account needed. Votes gently reorder the list; they never change the match score.
Missing an alternative? Suggest it
At a glance: top OpenRouter alternatives
| Tool | Match | Input | Output | Pricing | Free plan | Rating | Category |
|---|---|---|---|---|---|---|---|
| CometAPI | 90% | text, images | text, images, video | From $4/mo | Yes | — | AI API |
| FastRouter | 90% | text, images, audio | text, images, audio, video | From $199/mo | Yes | — | AI API |
| APIMart | 86% | text, images | text, images, audio, video | Free | Yes | — | AI API |
| AnyApiAI | 85% | text, images, code | text, code | From $19.9/mo | Yes | — | AI API |
| Eden AI | 80% | text, audio | text, audio | Free | Yes | — | AI API |
| Vercel AI Gateway | 80% | text, images, audio | text, images, audio, video | From $20/mo | Yes | — | AI API |
Frequently asked
What is the best free OpenRouter alternative?
CometAPI (90% match) is the closest free alternative to OpenRouter: CometAPI functions as an aggregation layer that sits between your application and hundreds of AI model providers. FastRouter (90% match) and APIMart (86% match) come next.
What is the best OpenRouter alternative for working with large language models?
AnyApiAI ranks first for working with large language models at 85% match. See the full list of OpenRouter alternatives for Language Models.
How is the match percentage calculated?
It measures how much of OpenRouter's job a tool can take over: shared core category, how many of the same use cases it covers and how similar its feature set is. Popularity and ratings never change the percentage; they only break ties in the order. Lists are recomputed nightly and reviewed by editors for the most-visited tools.
How this list is ranked
The match score measures how much of OpenRouter's job each tool can take over: shared core category, how many of the same use cases it covers, and how similar its feature set is. Popularity and ratings do not change the score; they only break ties in the order.
Lists are recomputed nightly from the live catalog and reviewed by our editors for the most-visited tools. Sponsored placements are marked and sit outside the ranking.