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One prompt. Four models. Side by side.

Learn Frontend Codegres | Custom Website, Apps
Website, pricing, platforms and company facts side by side.
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| Website | evaonline.ai | codegres.org |
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| Company | Startup from Amerika Birleşik Devletleri · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


EVA is a multi-model AI workspace where you send one prompt to up to four models (GPT, Claude, Gemini, Grok and more) and compare their answers side by side. Use Multi Chat to find the right model for a job like code review, writing or research, Split Chat to run two conversations in parallel,...
No description of Codegres.org yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
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Walkthroughs and reviews on video.
One Prompt, Four AI Models Side by Side | EVA Multi Chat Demo
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing EVA Online AI and Codegres.org.
EVA Online AI's answer
EVA Online AI is built for self-serve AI power users who use multiple AI tools and want one simpler, more flexible workspace.
The primary audience includes:
In short, EVA is for people who want access to many leading AI models, want to compare outputs side-by-side, and prefer one credit balance instead of multiple AI subscriptions.
EVA Online AI's answer
EVA Online AI is a unified AI workspace that brings the major AI models into one place.
Instead of paying for separate subscriptions like ChatGPT, Claude, Gemini, Perplexity, and others, EVA lets users access many leading models through one login, one credit balance, and one shared history layer.
Its key differentiators are:
In short: EVA helps users stop guessing which AI model is best and stop paying for 5 separate AI subscriptions.
EVA Online AI's answer
A person should choose EVA Online AI if they want flexibility, comparison, and cost control instead of being locked into one AI provider.
Most competitors push users into one model or one subscription. EVA gives users:
EVA is especially useful for developers, indie hackers, knowledge workers, and AI power users who want to use the best model for each task without paying for every separate subscription.
EVA Online AI's answer
EVA Online AI started from a simple frustration: AI became powerful, but using it became fragmented.
People were paying for multiple tools, switching between tabs, copying the same context again and again, and guessing which model was best for each task.
EVA was built to solve that.
The idea is to create one unified AI workspace where users can access leading models like GPT, Claude, Gemini, Grok, Perplexity, DeepSeek, Mistral, Llama, Qwen, and others through one interface.
The goal is simple:
One login. One balance. Every model.
EVA’s core features, like Multi Chat and Split Chat, came from the belief that users should not have to guess which AI model is best. They should be able to compare models side-by-side, work in parallel, and pay only for what they actually use.
EVA Online AI's answer
EVA Online AI is still an early-stage product, so we do not claim public “biggest customers” yet.
EVA Online AI is currently focused on self-serve users, especially developers, indie hackers, knowledge workers, and AI power users who want access to multiple AI models through one unified workspace. Public customer logos or named enterprise customers are not available yet.
EVA Online AI's answer
EVA Online AI is built in TypeScript end to end. The web app uses Next.js (React), the API is a Hono service on Google Cloud Run, and data lives in PostgreSQL (Supabase, with pgvector). It connects directly to the APIs of OpenAI, Anthropic, Google, xAI, Mistral, DeepSeek and others, with OpenRouter for a few models, and uses Stripe for billing.
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When comparing EVA Online AI and Codegres.org, you can also consider the following products.

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Claude is a next generation AI assistant built for work and trained to be safe, accurate, and secure. An AI assistant from Anthropic.
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Knowbase is Dropbox and ChatGPT combined. You store your files and have access to all the information collected in them, by asking a question on the chat.
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