No endless tables — just the differences that matter, and a clear call. Pick two tools and see who takes it.
ChatGPT
AI Assistants
OpenAI's general-purpose AI assistant now powered by GPT-5.4 with 1M token context and computer-use capability for desktop automation. Supports text, voice, image, file, and code workflows in one interface. Used by 400M+ weekly active users across professional and consumer contexts.
Otter.ai is an AI meeting notes and transcription service that produces live transcripts and automated summaries for Zoom, Google Meet, and Microsoft Teams meetings. It is popular in education, journalism, and corporate settings for its real-time transcription accuracy and the ability to search, highlight, and annotate transcripts. Otter Pilot joins meetings automatically when connected to a calendar.
OpenAI's general-purpose AI assistant now powered by GPT-5.4 with 1M token context and computer-use capability for desktop automation. Supports text, voice, image, file, and code workflows in one interface. Used by 400M+ weekly active users across professional and consumer contexts.
Category:AI Assistants
Features
GPT-5.4 model with 1M token context window
Computer-use feature for desktop task automation
Codex App integration for autonomous coding agents
Voice mode with real-time conversation
DALL-E image generation built in as GPT Image
+3 more
Pros
Largest installed base means most third-party integrations and community resources
GPT-5.4 scores top-3 on most public benchmarks as of Q1 2026
Computer-use reduces need for separate automation tools for desktop workflows
Custom GPTs allow non-developers to build specialized assistants without code
Cons
Plus plan ($20/mo) imposes daily message limits on GPT-5.4; heavy users hit caps before noon
Computer-use feature is US-only and requires desktop app install as of March 2026
Context window degrades in quality above 600K tokens — 1M is theoretical max, not practical
Free tier locks users to older GPT-4o mini model, not GPT-5.4
Codex App autonomous tasks can consume credits unpredictably, reaching $50+ in a single session
Otter.ai is an AI meeting notes and transcription service that produces live transcripts and automated summaries for Zoom, Google Meet, and Microsoft Teams meetings. It is popular in education, journalism, and corporate settings for its real-time transcription accuracy and the ability to search, highlight, and annotate transcripts. Otter Pilot joins meetings automatically when connected to a calendar.
Category:AI Meetings
Features
Otter Pilot: automatic bot attendee for Zoom, Meet, and Teams
Live transcript with speaker labels appearing in real time during the call
AI Chat: ask questions against the transcript during or after a meeting
AI Channels: async voice note threads tied to meeting transcripts
Automated meeting summary with key points and action items
+3 more
Pros
Real-time transcription during a live call is the most responsive in the category — near-zero lag
Vocabulary customisation for technical jargon and proper nouns significantly improves accuracy in specialist domains
AI Chat mid-meeting allows a participant to catch up on a missed segment without interrupting the speaker
Free tier (600 minutes/month) covers multiple weekly team meetings for individual users
Cons
Fewer advanced analytics than Fireflies.ai — no sentiment analysis or topic tracking on any plan
AI summaries are generic — less structured than Fireflies' action item extraction for sales contexts
Otter Pilot is capped at 3 meetings/month on the free plan
CRM integrations are limited — no native Salesforce push on standard plans
Audio file transcription is slower than real-time and has a 10x duration cap
OpenAI's general-purpose AI assistant now powered by GPT-5.4 with 1M token context and computer-use capability for desktop automation. Supports text, voice, image, file, and code workflows in one interface. Used by 400M+ weekly active users across professional and consumer contexts.
Otter.ai is an AI meeting notes and transcription service that produces live transcripts and automated summaries for Zoom, Google Meet, and Microsoft Teams meetings. It is popular in education, journalism, and corporate settings for its real-time transcription accuracy and the ability to search, highlight, and annotate transcripts. Otter Pilot joins meetings automatically when connected to a calendar.
Features
GPT-5.4 model with 1M token context window
Computer-use feature for desktop task automation
Codex App integration for autonomous coding agents
Voice mode with real-time conversation
DALL-E image generation built in as GPT Image
File upload and analysis (PDF, CSV, images, code)
Custom GPTs marketplace with 3M+ published agents
Projects feature for persistent context across sessions
Otter Pilot: automatic bot attendee for Zoom, Meet, and Teams
Live transcript with speaker labels appearing in real time during the call
AI Chat: ask questions against the transcript during or after a meeting
AI Channels: async voice note threads tied to meeting transcripts
Automated meeting summary with key points and action items
Vocabulary expansion: custom terms and proper nouns for improved accuracy
Export to PDF, DOCX, SRT (captions), and TXT formats
Team workspace with shared transcript library
Pros
Largest installed base means most third-party integrations and community resources
GPT-5.4 scores top-3 on most public benchmarks as of Q1 2026
Computer-use reduces need for separate automation tools for desktop workflows
Custom GPTs allow non-developers to build specialized assistants without code
Real-time transcription during a live call is the most responsive in the category — near-zero lag
Vocabulary customisation for technical jargon and proper nouns significantly improves accuracy in specialist domains
AI Chat mid-meeting allows a participant to catch up on a missed segment without interrupting the speaker
Free tier (600 minutes/month) covers multiple weekly team meetings for individual users
Cons
Plus plan ($20/mo) imposes daily message limits on GPT-5.4; heavy users hit caps before noon
Computer-use feature is US-only and requires desktop app install as of March 2026
Context window degrades in quality above 600K tokens — 1M is theoretical max, not practical
Free tier locks users to older GPT-4o mini model, not GPT-5.4
Codex App autonomous tasks can consume credits unpredictably, reaching $50+ in a single session
Fewer advanced analytics than Fireflies.ai — no sentiment analysis or topic tracking on any plan
AI summaries are generic — less structured than Fireflies' action item extraction for sales contexts
Otter Pilot is capped at 3 meetings/month on the free plan
CRM integrations are limited — no native Salesforce push on standard plans
Audio file transcription is slower than real-time and has a 10x duration cap