Sider
All-in-one AI sidebar & apps · GPT-6, Claude, Gemini, DeepSeek & more in one subscription · AI browser agent (Sider Hand) · 10M+ active users.
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What is Sider?
Sider is an all-in-one AI assistant that brings models such as GPT-6, Claude, Gemini and DeepSeek together in one subscription. It runs as a browser sidebar and as apps for Windows, macOS, iOS and Android, with tools for summarizing pages and YouTube videos, chatting with PDFs and translating web pages, PDFs and images. Its Sider Hand agent carries out tasks on real websites; from the Lite plan up, a dedicated cloud computer runs it around the clock.
Best for
- Using several frontier AI models without separate subscriptions
- Summarizing, translating and chatting with web pages and PDFs in the browser
- Automating repetitive browser tasks with an AI agent
Sider pricing
Sider has no free tier. Price: From $10/mo. There is no public API.
Plans & prices
- Nano $10/mo ($8.33 billed yearly)
- Lite $25/mo ($20.83 yearly)
- Pro $50/mo ($41.67 yearly)
- Max $100/mo ($83.33 yearly)
Looking for something cheaper? Kimi K3.1 Pro by Moonshot AI costs Free – API.
Prices as published by Sider. This page was last updated on November 12, 2026; prices and plans change often, so check the provider’s pricing page before you buy.
🔗 Check current Sider prices →At a glance
Key facts
- All-in-one AI sidebar & apps
- GPT-6, Claude, Gemini, DeepSeek & more in one subscription
- AI browser agent (Sider Hand)
- 10M+ active users
Strengths
Limitations
Best alternatives to Sider
🔗 Comparisons & guides
❓ Frequently Asked Questions
What is Sider?
Sider is an all-in-one AI assistant that brings models such as GPT-6, Claude, Gemini and DeepSeek together in one subscription. It runs as a browser sidebar and as apps for Windows, macOS, iOS and Android, with tools for summarizing pages and YouTube videos, chatting with PDFs and translating web pages, PDFs and images. Its Sider Hand agent carries out tasks on real websites; from the Lite plan up, a dedicated cloud computer runs it around the clock.
What is Sider best for?
Sider is a strong pick for: Using several frontier AI models without separate subscriptions; Summarizing, translating and chatting with web pages and PDFs in the browser; Automating repetitive browser tasks with an AI agent.
How much does Sider cost?
Sider starts at From $10/mo (Nano $10/mo ($8.33 billed yearly) · Lite $25/mo ($20.83 yearly) · Pro $50/mo ($41.67 yearly) · Max $100/mo ($83.33 yearly)). There is no free tier. A cheaper option from another provider is Kimi K3.1 Pro (Free – API).
Is Sider free?
No, Sider has no free tier. Pricing: From $10/mo (details: Nano $10/mo ($8.33 billed yearly) · Lite $25/mo ($20.83 yearly) · Pro $50/mo ($41.67 yearly) · Max $100/mo ($83.33 yearly)).
What are the best alternatives to Sider?
The highest-rated AI chatbots & text models from other providers on AIVerso are Claude Fable 5.2 (99/100), Gemini 4 Carbon (98/100), GPT-6 Astra (98/100).
Does Sider have an API?
No public API is listed for Sider.
Is Sider open source?
No, Sider is a closed, proprietary model from Sider.
How does AIVerso rate Sider?
Sider scores 84/100 on AIVerso and ranks #31 of 53 in Text & Chat. Scores combine public benchmark results, features and pricing; commissions never influence them.
How we rate: Scores and capability ratings are based on public benchmarks, provider documentation, features and pricing — not on commission rates. Prices can change; check the provider's site before buying. Last updated: November 12, 2026.