Airspeed: Sales conversation intelligence and coaching platform (formerly Glyphic) that records and analyzes calls, scores reps, and keeps CRM data in sync. Whisperstream: Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload. Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Airspeed when revenue teams wanting every call scored and connected to account history matters most, and Whisperstream when transcribing imported audio recordings privately on-device matters most. Try them side by side on real calls before deciding — needs vary by team.
Sales conversation intelligence and coaching platform (formerly Glyphic) that records and analyzes calls, scores reps, and keeps CRM data in sync.
Whisperstream is a privacy-focused Windows dictation app that turns speech into text entirely on-device, with no cloud upload.
Airspeed, formerly known as Glyphic, is a sales conversation intelligence and revenue-team platform that records, transcribes, and analyzes calls and connects them with email and ticket history into a persistent memory of each customer account. It integrates with meeting platforms such as Zoom and Teams to capture conversations, then surfaces key themes, generates pre-call and post-call intelligence, and provides contextual answers about accounts grounded in actual interactions. For coaching, Airspeed identifies coachable moments with specific post-call scorecards, tracks metrics like talk-to-listen ratio against team benchmarks, delivers automated coaching plans before standups, and offers a practice simulator with buyer personas to build specific skills such as pricing-objection handling and champion building. It scores live calls during conversations and tracks rep improvement over time. On the workflow side, Airspeed auto-syncs data to Salesforce, HubSpot, and Outreach, works within Gmail, Outlook, and Slack, and uses agents that detect signals like champion changes or stalled deals to draft outreach for rep approval and maintain CRM hygiene. The company is based in London and New York and rebranded from Glyphic to Airspeed in 2026; it is a live, operating product. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Whisperstream is a downloadable Windows desktop application from Lanreal Technologies Inc. that converts speech to text using push-to-talk dictation. Transcription runs entirely locally on the user's PC via the NVIDIA Parakeet model, so audio is never uploaded to the cloud and no account is tied to the user's voice. It works across any application without add-ins or setup, inserting dictated text directly into tools such as Outlook, Gmail, Slack, VS Code, browsers, and Claude Code. Beyond live dictation, it can import and transcribe existing audio recordings, and it keeps a searchable transcript history with audio replay, encrypted on the device. Additional features include AI cleanup that tidies spoken input, a custom vocabulary for names, jargon, and acronyms, per-app custom AI prompts, support for 25 languages, global keyboard shortcuts, and full offline operation. It requires Windows 10 or 11 (64-bit) with at least 8GB RAM. It targets professionals and privacy-conscious knowledge workers who want fast, local voice input rather than typing.
Best suited for
Airspeed is a free tier with paid upgrades (freemium); Whisperstream is a free tier with paid upgrades (paid). Always confirm current pricing on each vendor's site before buying.
| Feature | Airspeed | Whisperstream |
|---|---|---|
| Core capability | Call and meeting recording with transcription via Zoom, Teams, and other platforms | Local, on-device speech-to-text using the NVIDIA Parakeet model (no cloud upload) |
| Standout feature | Persistent customer memory linking calls, emails, and tickets | Push-to-talk dictation that inserts text into any application |
| Team usage | Pre-call and post-call AI intelligence and key-theme extraction | Audio file import for transcribing existing recordings |
| Integrations | Rep coaching with post-call scorecards, talk-to-listen benchmarks, and coaching plans | Searchable, encrypted transcript history with audio replay |
| Languages & capture | Skill tracking on specific competencies plus a roleplay simulator with buyer personas | AI cleanup plus per-app custom AI prompts and custom vocabulary |
| Best-fit workflow | Live call scoring during conversations | 25-language support with full offline operation |
Airspeed
Choose Airspeed if you need revenue teams wanting every call scored and connected to account history — strengths include combines conversation intelligence with structured rep scorecards and skill tracking.
Whisperstream
Choose Whisperstream if you need dictating emails, messages, and documents faster than typing — strengths include fully local processing keeps audio private and works offline.
Airspeed
Whisperstream
It depends on your workflow. Airspeed is strong for revenue teams wanting every call scored and connected to account history, while Whisperstream is strong for dictating emails, messages, and documents faster than typing. Both transcribe and summarize meetings.
Airspeed is a free tier with paid upgrades and Whisperstream is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Often yes: teams combine tools when one handles capture and another handles analysis.
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