AI Tools · head to head
Poolside vs Aider
Poolside
AI Tools
Open-weight foundation models built for agentic software engineering
- From
- $0.06/month
- Rated
- -
The short version
- Only Aider has a free tier, so it costs nothing to try first.
- Each has a real cost: Poolside no self-serve public application; access is largely through enterprise sales or third-party model gateways; Aider requires comfort working in a terminal rather than a graphical IDE
- They diverge on capability: Poolside covers Laguna S 2.1, Aider covers Multi-LLM support.
Where they differ
Only the attributes on which Poolside and Aider actually diverge.
Identical on both: user rating (Not yet rated), category (AI Tools), founded (2023).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Poolside
- Laguna S 2.1
- Laguna XS 2.1
- Desktop and CLI tools
- Open-weight models
- Third-party gateway access
Only in Aider
- Multi-LLM support
- Repository mapping
- Git integration
- Voice-to-code
- Lint and test automation
- Image and web context
- Free provider access
- Editor file-watching
What people use each for
The jobs each tool is most often brought in to do.
Poolside
- Enterprises deploying AI coding assistance across large developer organizationsnot Aider
- Government and defense agencies needing on-premise or sovereign coding modelsnot Aider
- Teams building custom coding agents on open-weight foundation modelsnot Aider
- Organizations wanting on-device lightweight coding modelsnot Aider
Aider
- Editing an existing codebase from the terminalnot Poolside
- Pairing with an LLM on a new projectnot Poolside
- Automating git-committed code changesnot Poolside
- Working across many programming languagesnot Poolside
- Bringing your own LLM API key to a coding workflownot Poolside
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Poolside
- No self-serve public application; access is largely through enterprise sales or third-party model gateways
- Pricing for the flagship enterprise and government offering is not public and requires a sales conversation
- Targets organizations with large (5,000+) developer headcounts, making it a poor fit for individuals or small teams
- Documentation and product surface area are thin compared to consumer-facing coding assistants
Aider
- Requires comfort working in a terminal rather than a graphical IDE
- Has no hosted or managed version, so users must supply and pay for their own LLM API access separately
- Depends heavily on the chosen underlying model's quality, so results vary by which LLM is configured
- Lacks a built-in autonomous multi-step task runner comparable to agent-style products
Pricing, plan by plan
Poolside
$0.06/month- Laguna XS 2.1$undefined/month
- $0.06 per 1M input tokens
- $0.12 per 1M output tokens
- Available via OpenRouter and Vercel AI Gateway
- Laguna S 2.1$undefined/month
- $0.10 per 1M input tokens
- $0.20 per 1M output tokens
- 1M token context window
- Enterprise / Government$undefined/month
- Custom contracts for large engineering organizations
- Sales-quoted pricing
- On-premise or dedicated deployment options
Aider
FreeNo published plan breakdown. See the Aider review.
Which should you pick?
Choose Poolside if
- You need laguna s 2.1.
- You work on web, api, mac, windows, linux.
- You also want laguna xs 2.1.
Choose Aider if
- You need multi-llm support.
- You want to start without paying.
- You work on mac, linux, windows, api.
- You also want repository mapping.
Questions people ask
- Is Poolside or Aider better?
- Neither clearly leads. Poolside starts at $0.06/month and Aider at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Poolside or Aider?
- Aider has a free tier; the other does not. Paid plans start at $0.06/month for Poolside and Free for Aider.
- Does Poolside or Aider run on more platforms?
- Poolside runs on web, api, mac, windows, linux. Aider runs on mac, linux, windows, api.
- Can I use Aider for free?
- Yes. Aider has a free tier, so you can try it without paying. Poolside starts at $0.06/month.
- What is Poolside best used for?
- Poolside is most often used for enterprises deploying ai coding assistance across large developer organizations, government and defense agencies needing on-premise or sovereign coding models, teams building custom coding agents on open-weight foundation models, organizations wanting on-device lightweight coding models. Of those, enterprises deploying ai coding assistance across large developer organizations and government and defense agencies needing on-premise or sovereign coding models are not what Aider is typically brought in for.
- What can Poolside do that Aider cannot?
- Poolside covers Laguna S 2.1, Laguna XS 2.1, Desktop and CLI tools, Open-weight models. Aider covers Multi-LLM support, Repository mapping, Git integration, Voice-to-code.
Answered from the vendors’ own pages
Poolside: How is Poolside's Laguna model usage priced?
Laguna XS 2.1 is priced at $0.06 per 1M input tokens and $0.12 per 1M output tokens; Laguna S 2.1 is $0.10 per 1M input tokens and $0.20 per 1M output tokens.
SourceAider: Is Aider free to use?
Aider itself is free and open source, released under the Apache 2.0 license. Users must separately supply and pay for API access to the LLM they choose to use with it.
SourcePoolside: Where can I access Poolside's models?
Laguna models are available through third-party gateways OpenRouter and Vercel AI Gateway, as well as via Poolside's own desktop and CLI tools.
SourceAider: Which LLMs can I use with Aider?
Aider connects to OpenAI, Anthropic, Gemini, GROQ, DeepSeek, Ollama, Azure, Cohere, xAI, GitHub Copilot, Vertex AI, Amazon Bedrock, OpenRouter and most other LLM providers via API keys.
SourcePoolside: Does Poolside offer enterprise or government pricing?
Yes, Poolside offers custom, sales-quoted contracts for large enterprises and government/defense customers, including on-premise or dedicated deployment options.
SourceAider: Can I use Aider for free without paying for an LLM API?
Yes, Aider can be used at no cost through OpenRouter's free model access (subject to daily usage limits) or Google's Gemini 2.5 Pro Exp, which the docs note performs well without a paid API key.
SourcePoolside: How do I get started building with Poolside's models?
Poolside's documentation provides a quickstart guide for installing the `pool` CLI and running an agent task, alongside API documentation for custom integrations.
SourceAider: How does Aider handle version control?
Aider automatically stages and commits each change it makes to a connected git repository, generating a descriptive commit message for every edit so changes stay reviewable and reversible.
SourceRelated pages
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