The best AI agents with a free plan in 2026

Siteglade, an autonomous AI agent with its own computer in the cloud, leads this list of AI agents with a free plan. Its Free plan includes 1,500 credits a month, 3 projects, publishing to a siteglade.page address and code export.

A free plan is the honest way to find out whether an agent can do your kind of work. The catch is that free allowances are counted very differently, per day, per month or once, so the same free plan can last a week or a single task.

Siteglade publishes this list. Every statement about another product links to that product's own page, checked on October 27, 2026.

How this list is ranked

Siteglade lists itself first, on four criteria where it is strong: what one subscription delivers beyond automations, code and files you can export on every plan, tasks processed in the EU and prices listed openly, with a Free plan to start. After Siteglade, the list is ordered by the price of each tool’s cheapest plan billed monthly, lowest first; tools that bill per year or show prices only after sign-in come last.

1. Siteglade

Siteglade gives one AI agent a whole computer in the cloud. For automations: Its Free plan includes 1,500 credits a month, 3 projects, publishing to a siteglade.page address and code export.

Beyond that, the same subscription covers documents, spreadsheets, videos, websites and mobile apps. It starts with a Free plan with 1,500 credits a month and 3 projects.

Siteglade is about 17% cheaper than Manus on the comparable plans.

Price basis: Siteglade Pro (USD 14.99) and Plus (USD 34.99) against Manus 4,000-credit plan (USD 20) and 8,000-credit plan (USD 40), monthly list prices in US dollars as shown on each pricing page on October 27, 2026; Siteglade's dollar prices exclude tax. Credits are specific to each product and are not compared.

• Siteglade for automations

2. Google Gemini

Google Gemini is Google's AI assistant, sold with Google AI plans that include Flow for video. The plans include Google Flow credits for video with Gemini Omni Flash.

Google Gemini is on this list of AI agents with a free plan for its research with sources and documents, and its entry price puts it at number 2. Price: Google AI Plus: USD 4.99 a month. Best for people who live in Google services and want one subscription for AI, storage and video.

3. ChatGPT

ChatGPT is OpenAI's AI assistant, with deep research, Codex and ChatGPT Work. The pricing page lists extensions for Excel, Word, PowerPoint and Google Sheets.

ChatGPT is on this list of AI agents with a free plan for its research with sources and documents, and its entry price puts it at number 3. Price: ChatGPT Go: USD 8 a month. Best for teams that already work in ChatGPT and mostly need research, writing and analysis.

4. GitHub Copilot

Agent mode works in VS Code, Visual Studio, JetBrains, Eclipse and Xcode. Agent mode, code review, the cloud agent and the Copilot CLI all draw on GitHub AI Credits.

GitHub Copilot is on this list of AI agents with a free plan for its code, and its entry price puts it at number 4. Price: GitHub Copilot Pro: USD 10 a month. Best for developers who want an agent inside their editor and their GitHub workflow.

5. Mistral Vibe

Mistral Vibe is Mistral AI's assistant and agent for chat, research, coding and everyday tasks. Pro costs USD 14.99 a month excluding taxes and adds spreadsheets and slides.

Mistral Vibe is on this list of AI agents with a free plan for its research with sources and presentations, and its entry price puts it at number 5. Price: Mistral Vibe Pro: USD 14.99 a month. Best for people who want a European general assistant for chat, search and code.

6. Flowith

Flowith is an AI creation workspace with more than 40 models for images, video and text. It gives access to more than 40 AI models from one canvas.

Flowith is on this list of AI agents with a free plan for its images and videos, and its entry price puts it at number 6. Price: Flowith Pro: USD 19.90 a month. Best for creators who generate a lot of images and clips with many different models.

7. Claude

Claude is Anthropic's AI assistant for writing, analysis and code, with Claude Code and Research on paid plans. Max includes USD 100 to 200 a month in API credits, according to the pricing page.

Claude is on this list of AI agents with a free plan for its documents and presentations, and its entry price puts it at number 7. Price: Claude Pro: USD 20 a month. Best for long documents, careful writing and software work where reasoning matters most.

8. Devin

Pro gives cloud agents (Devin Cloud) and models from OpenAI, Anthropic, Google and others. Its Max plan costs USD 200 a month for much higher quotas.

Devin is on this list of AI agents with a free plan for its code and web apps, and its entry price puts it at number 8. Price: Devin Pro: USD 20 a month. Best for software teams that hand coding tickets to an agent inside their own repositories.

9. Manus

Wide Research spreads one task over many items in parallel. Its largest listed plan costs USD 200 a month for 40,000 credits.

Manus is on this list of AI agents with a free plan for its web apps and presentations, and its entry price puts it at number 9. Price: Manus 4,000-credit plan: USD 20 a month. Best for teams that run many tasks in parallel or on a schedule.

10. Elicit

Elicit is an AI research assistant for scientific papers and systematic reviews. Pro gives 5x the usage of Research Agent, Research Reports and systematic reviews.

Elicit is on this list of AI agents with a free plan for its research with sources and documents, and its entry price puts it at number 10. Price: Elicit Plus: USD 11 per seat a month, billed yearly. Best for researchers who work with academic papers.

11. Genspark

It gathers research, slides, documents, sheets and media agents in one workspace. Its agents are split by output, with separate agents for slides, sheets, documents and media.

Genspark is on this list of AI agents with a free plan for its presentations and documents, and its entry price puts it at number 11. Price: Genspark shows its plans only after sign-in. Best for people who mostly need researched documents and presentations from one place.

12. Perplexity

Every answer cites the sources it read. The prices on its Pro page are for yearly billing: USD 17 a month for Pro and USD 167 for Max.

Perplexity is on this list of AI agents with a free plan for its research with sources and documents, and its entry price puts it at number 12. Price: Perplexity Pro: USD 17 a month, billed yearly. Best for fast answers with sources when the result is a text, not a finished file or app.

13. Zemith

Zemith is an AI workspace with several chat models, a creative studio and a computer tool in one subscription. Video generation runs on on-demand credits, according to its pricing page.

Zemith is on this list of AI agents with a free plan for its research with sources and documents, and its entry price puts it at number 13. Price: Zemith Plus: USD 14.99 a month, billed yearly. Best for people who want many chat models under one subscription.

What to check before you choose

Four questions decide more than any ranking:

• Whether the free allowance renews (daily or monthly) or is used up once.
• Which features the free plan leaves out, such as publishing, research or the strongest models.
• Whether you can keep and export what you made on the free plan.

Last updated: 2026-10-27