Top AI Tools - Rank

DeepSeek is an AI chat assistant from a Chinese research company, offered as a mobile app, web chat and desktop client. The official site calls the app free to use; the API is billed per token.

Grok is an AI assistant for chat, image creation, coding help and answers drawn from the web and X. Free to try on web and mobile apps; the SuperGrok plan raises usage limits.

Perplexity is an AI answer engine with a free tier of basic searches and a few Pro Searches a day. Paid Pro and Max plans add advanced models and image generation; Max is $200 a month.

Microsoft Copilot is Microsoft's AI chat assistant, free with limits at copilot.microsoft.com. Higher usage comes with Microsoft 365 plans: Personal is $9.99 a month, Family $12.99 and Premium $19.99.

WellSaid is an AI text-to-speech platform for voiceovers built with professional voice actors, with an API and 50+ languages and accents. The free trial gives 3 minutes a month; Starter is $19 a month.

Typecast is an AI voice generator with 700+ voices, voice cloning, a web studio, iOS and Android apps and an API. The Free plan gives about 5 minutes of lifetime downloads; Basic is $5 a month.

Cartesia provides text-to-speech (Sonic), speech-to-text (Ink) and voice agent APIs for developers, with voice cloning on paid plans. Free plan has 20K credits a month; Pro is $5 a month.

Dreamina is a web platform for generating images, video and talking avatars, with the Seedance video models. It offers free daily credits; subscription prices could not be read on the official pricing page.

The OpenAI API is OpenAI's developer platform for text, image and audio models, billed per use and separate from ChatGPT. Speech-to-text is listed from $0.0045 per minute; no free credit is mentioned on the pricing page.

Rev offers AI transcription, human transcription and captions, plus legal and evidence tools. The free plan includes 45 AI minutes per user per month; Essentials is $29.99 a month and human transcripts are $1.99 per minute.

MacWhisper is a Mac app that transcribes audio, video and meetings on your own computer using local AI models. A free tier is listed; Pro is a one-time purchase of 64 euros with lifetime updates.

Happy Scribe transcribes audio and video with AI or optional human review in 150+ languages, makes subtitles, and offers an AI notetaker for Zoom, Meet and Teams. Free plan is a 10-minute trial.

Sonix is a web-based AI transcription, translation and subtitle service for audio and video in 54+ languages, with an API and integrations. New accounts get 30 free minutes; subscriptions start at $25 a month.

Deepgram offers speech-to-text, text-to-speech and Voice Agent APIs for developers, in the cloud or self-hosted. It advertises $200 in free credit, then pay as you go from about $0.0043 per minute for pre-recorded audio.

AssemblyAI provides speech-to-text and voice agent APIs for developers, with pre-recorded and real-time transcription in 99 languages. Free tier covers up to 185 hours of pre-recorded audio; pay as you go from $0.15 per hour.

Leonardo.Ai is a web platform for generating images and short video from prompts, with editing, upscaling and several third-party models. The Free plan gives 150 tokens a day; paid plans start at $12 a month.

Recraft is an AI image generator and design platform known for editable vector output, logos, icons and text inside images. It has web, iOS and Android apps and an API. Free-plan images are not licensed for commercial use.

Google Antigravity is Google's agent-first development platform with a desktop app, IDE, CLI and SDK. The Individuals plan is free with weekly rate limits; higher limits come with Google AI Pro or Ultra.

Windsurf is an AI code editor with the Cascade agent and Tab completion, also offered as a JetBrains plugin. Cognition now brands the editor as Devin Desktop; the Windsurf site still lists a free plan and Pro at $15 a month.

Codex is OpenAI's coding agent, available in ChatGPT on the web, desktop and mobile apps, a CLI and an IDE extension. A limited allowance is included in the free ChatGPT plan; paid plans start at $8 a month.

Claude Code is Anthropic's coding agent that reads a codebase, edits files and runs commands from a terminal, editors, web or desktop app. Not included in the free Claude plan; paid plans start at $20 a month.

AI coding environment with agents, a CLI and cloud agents, plus Bugbot for pull request review on Teams plans. The Hobby plan is free; Pro is $20 a month and Teams is $40 per user.

Code review platform synced with GitHub that combines stacked pull requests, a merge queue, a PR inbox and AI reviews. The Hobby plan is free for personal repos; paid plans start at $20 per user billed annually.

Anthropic's managed pull request reviewer for GitHub that uses multiple agents and posts severity-tagged inline comments. It is a research preview for Team and Enterprise plans, billed by token usage.

Code review and quality platform with multi-agent pull request review, rules and IDE tools for teams. There is no permanent free tier: a 14-day trial, then Pro Team at $30 a month for 2,500 credits.

AI code reviewer that indexes the whole repository and uses agents to check each pull request for bugs and standards violations. A free Starter tier gives 50 credits a month; Pro is $30 per seat.

GitHub's AI coding assistant with code completion, chat, agent mode, a CLI and pull request review inside GitHub and major IDEs. The Free plan has 2,000 completions; Pro is $10 a month.

AI reviewer that comments on pull requests in GitHub, GitLab, Bitbucket and Azure DevOps and from the CLI. Reviews of public repositories are free; paid plans start at $24 per developer a month on annual billing.

Platform for building AI agents that work across business tools, with 35+ models and MCP connectors. A 14-day free trial is offered and the Pro plan starts at $37 a month.

Consumer-oriented automation service that links apps and smart-home devices with trigger-and-action Applets, now with AI-generated automations. The Free plan allows 2 Applets.