
Offers robust serverless inference and GPU clusters for open models, but features a narrower selection of proprietary models.

OpenRouter records 19,941,437 monthly visits with -6.2% month-over-month growth and Paid pricing. Parseur records 132,677 monthly visits with -16.3% growth and Freemium, Free Trial, Contact for Pricing pricing.

AI document parsing that turns PDFs and emails into structured data
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | openrouter.ai | parseur.com |
| Pricing Model | Paid | Freemium, Free Trial, Contact for Pricing |
| Monthly Visits | 19.94M (19,941,437) | 132.68K (132,677) |
| MoM Traffic Delta |
| -1.33M (-6.2%) |
| -25.75K (-16.3%) |
| Primary Market & Share | 🇺🇸 United States (16.1%) | 🇺🇸 United States (22.1%) |
|---|
| Direct Visits / mo | 11.96M | 36.67K |
|---|
| User Rating | 4.8 | 4.4 |
|---|
| Supported Platforms | Website | Website |
|---|
One API key for hundreds of AI models from every major provider
Six hundred plus models for text, image, video, audio, transcription, embeddings, and reranking behind one OpenAI-compatible API.
Requests are rerouted to another provider on outages or rate limits by default, so you don't write custom retry logic.
The auto-router selects a model and provider per request using live marketplace performance and pricing data.
Track spend, tokens, and usage per model, provider, and team member in one place, including bring-your-own-key usage.

AI document parsing that turns PDFs and emails into structured data
Name the fields you want in plain English and the AI pulls them from clean digital PDFs, blurry scans and email bodies, adapting to new layouts automatically.
Forward documents to a dedicated email address, drag and drop them in the app, or push them in via the API, webhooks or automation platforms.
Character recognition converts photographed receipts and scanned paperwork into machine-readable text before extraction.
Format, clean and validate every extracted field so totals, dates and IDs arrive consistent rather than as raw strings.

Offers robust serverless inference and GPU clusters for open models, but features a narrower selection of proprietary models.

Features adaptive LLM routing and automatic failover, but lacks OpenRouter's massive ecosystem of community-rated model endpoints.
SpecialistDelivers exceptional inference speed and high-throughput performance for open models, but focuses primarily on hosted weights rather than multi-provider aggregation.
#3
Free / Open-sourceProvides self-hosted and Python SDK control over 100+ LLMs, but requires setting up your own infrastructure.


SpecialistLow-cost serverless inference APIs for 200+ open models

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

Free online OCR that turns images and scans into editable text
One API for fast, cost-predictable inference on LLMs and multimodal models

Aggregates hundreds of foundation models and agentic tools under one endpoint, but lacks OpenRouter's community popularity and extensive prompt tuning.
Delivers advanced enterprise observability, guardrails, and caching, but focuses more on governance than simple model aggregation.

Provides unified API access and cost tracking across multiple AI providers, but supports fewer niche open-weight models than OpenRouter.
Free / Open-sourceOffers an open-source gateway for unified LLM routing, but requires self-hosting and manual management compared to OpenRouter's managed service.
Offers robust serverless inference and GPU clusters for open models, but features a narrower selection of proprietary models.
Features adaptive LLM routing and automatic failover, but lacks OpenRouter's massive ecosystem of community-rated model endpoints.
One unified API for 100+ AI models, with insurance when output disappoints
Free online OCR that turns images and scans into editable text
One API for fast, cost-predictable inference on LLMs and multimodal models
Delivers advanced enterprise observability, guardrails, and caching, but focuses more on governance than simple model aggregation.
Free / Open-sourceOffers an open-source gateway for unified LLM routing, but requires self-hosting and manual management compared to OpenRouter's managed service.