Best 1817 Assistant(28) Tools in 2025

Engaging conversations
Task automation
Content generation
Problem-solving assistance

Free $0 USD/month Access to GPT-4o mini and reasoning, Standard voice mode, Real-time data from the web with search, Limited access to GPT-4o and o4-mini, Limited access to file uploads, advanced data analysis, and image generation, Use custom GPTs
Plus $20 USD/month Everything in Free, Extended limits on messaging, file uploads, advanced data analysis, and image generation, Standard and advanced voice mode, Access to deep research, multiple reasoning models (o4-mini, o4-mini-high, and o3), and a research preview of GPT-4.5, Create and use tasks, projects, and custom GPTs, Limited access to Sora video generation, Opportunities to test new features
Pro $200 USD/month Everything in Plus, Unlimited access to all reasoning models and GPT-4o, Unlimited access to advanced voice, Extended access to deep research, which conducts multi-step online research for complex tasks, Access to research previews of GPT-4.5 and Operator, Access to o1 pro mode, which uses more compute for the best answers to the hardest questions, Extended access to Sora video generation, Access to a research preview of Codex agent, I need help with a billing issue, Unlimited subject to abuse guardrails. Learn more
Team $25 USD/month Everything in Plus, with higher message limits for GPT-4o, Customize ChatGPT to your workflows with file uploads, custom projects, GPTs, and persistent memory, Delegate routine work to ChatGPT with tasks and solve complex problems with deep research, freeing your team for high-value work, Create and innovate with multimodal AI—including Sora, image generation, canvas, and integrated coding tools, Protect your data with multi-factor authentication, data encryption, and data excluded from training by default. Learn more, Collaborate seamlessly with shared GPTs and an admin console for bulk user management, Access to a research preview of Codex agent (coming soon), For 2+ users, billed annually

Users can interact with ChatGPT by typing prompts or questions into the chat interface. The AI will then generate responses based on its training data.

Shop Pay: Secure one-tap checkout
Shop Cash rewards program
Package tracking
Buy now, pay later options

Users can download the Shop app on iOS or Android, or access it via the web. They can browse products, make purchases using Shop Pay for fast checkout, earn Shop Cash rewards, and track their orders within the app.

Natural language interaction for task assistance

You can talk to Claude, an AI assistant from Anthropic, and instruct it in natural language to help you with many tasks.

AI-powered reasoning and analysis
Deep thinking capabilities
Contextual understanding
Long context window
Multi-language translation
Code debugging
Content creation

Ask Kimi any question to solve your problems. You can start a new conversation by clicking '新建会话 Ctrl K'.

AI assistant
AI-generated image creation
Voice conversation interface
Built on Llama 4 models

Users can interact with Meta AI through the new Meta AI app using voice conversations. They can ask questions, request assistance with tasks, or prompt the creation of AI-generated images.

AI Chatbot
Copywriting templates
Text explanation, translation, and rephrasing
Image, video, and PDF processing tools

Pro US$8.3/month 1500 Advanced Credits
Unlimited US$16.6/month 4500 Advanced Credits
Free US$0 40 accesses to basic models daily

Install the Chrome extension, then use Monica to chat, compose text on web pages, explain selected text, translate, or rephrase.

AI-powered summarization of various content types
Note-taking with automated snapping
Notes management with folders and sharing
AI-powered Q&A and chatting
Mind map generation
Presentation creation

Free Plan Free Includes 15 quotas per month to try all features.
Unlimited Plan Contact for Pricing Unlock unlimited access and boost your productivity. Enjoy 50% off within 24 hours after signing up.
Team Plan Contact for Pricing Save more when you subscribe with friends. Perfect for schools, research groups, and teams.

Users can directly use the website's workspace for summaries or utilize standalone summarizers and generators. Chrome extensions are available for YouTube, Udemy, Coursera, Vimeo, BiliBili, and Google. Simply input the content or URL, and NoteGPT will generate summaries, notes, or other AI-powered outputs.

ChatGPT Sidebar
GPT-4 Support
AI Reader
AI Writer
ChatPDF Integration
Image Tools
Group AI Chat

Install the Sider Chrome/Edge extension to seamlessly integrate AI assistance into your browsing, reading, and writing tasks. Select any text to explain, translate, summarize, or rewrite it using the ChatGPT sidebar.

Grammar checking
Spelling correction
Style improvement
Punctuation checking
Rephrasing tool
Multi-language support

Premium Only with LanguageTool Premium, you can use the spell checking for longer texts, get more corrections of style and enjoy more features for your proofreading.

Paste your text or start typing in the editor to check grammatical errors and spelling mistakes. Use the browser add-on for real-time suggestions while writing online.

AI-powered meeting recording, transcription, and summarization
Integration with Zoom, Google Meet, and Microsoft Teams
Automated CRM data entry
Shareable call highlights and clips

Free Free Unlimited recording, transcription, and summarization
Premium $15/month per user (annual billing) Includes advanced AI features like AI-generated action items and 14 different meeting summary templates.
Team Edition $19/month per user (annual billing) Designed to provide additional features for teams and managers that use Fathom.
Team Edition Pro $29/month per user (annual billing) Includes Single Sign-on Integration, Custom Data Retention Policies, and Advanced Security Controls

Fathom integrates with Zoom, Google Meet, and Microsoft Teams. Once connected, it automatically joins your meetings, records the audio and video, transcribes the conversation in real-time, and generates a summary after the meeting ends. Users can highlight key moments during the call and share clips with others.