Celeste AI: Brazilian Portuguese-focused AI voice and transcription platform offering on-demand transcription plus a meeting assistant and AI notes, with credit-based and subscription plans. Simmie: AI sales roleplay platform where reps practice realistic buyer conversations and get automated scoring and coaching. This comparison weighs them on pricing, features, and everyday workflow fit.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Celeste AI when brazilian teams transcribing meetings and calls in portuguese matters most, and Simmie when drilling pricing and other objection-handling responses against an ai buyer matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
Brazilian Portuguese-focused AI voice and transcription platform offering on-demand transcription plus a meeting assistant and AI notes, with credit-based and subscription plans.
AI sales roleplay platform where reps practice realistic buyer conversations and get automated scoring and coaching.
Celeste AI is a Brazilian voice AI and transcription platform that specializes in Portuguese, particularly Brazilian Portuguese, while also processing audio in additional languages such as English, Spanish, German, Italian, and French. Originally known for automated audio-to-text transcription that the company positions as far more efficient than manual transcription, Celeste AI has expanded into a broader suite that includes a Meeting Assistant (Assistente de Reunião) and AI Notes (Notas de IA), alongside transcription and quality-monitoring offerings. The platform uses machine learning speech models tuned for Portuguese and is offered both as an on-demand service and via an API, so users and businesses can transcribe content as needed. Its on-demand model lets customers pay only for the hours they actually use by purchasing credits, with flexible subscription plans available for those who have recurring transcription needs. As a Brazilian company connected to local institutions such as FGV Ventures and the São José dos Campos technology park, Celeste AI is oriented toward the Brazilian market and Portuguese-language workflows, and it reports a growing user base. The service is currently operating, with a functioning login, demo requests, and support, and is suited to professionals and companies that need accurate Portuguese transcription and meeting documentation. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Simmie is an AI roleplay platform built for sales teams that want to scale conversation practice and coaching without relying on manager availability. Reps engage in simulated conversations with realistic AI personas that push back, raise objections, and adapt to what the rep says, allowing practice of cold calls, discovery, objection handling, demos, and other call types on demand. Every conversation is graded against a configurable rubric so teams apply one consistent bar for readiness, and an AI coaching layer delivers post-call analysis and targeted feedback or drill assignments. A builder tool converts existing scripts, playbooks, and call recordings into practice scenarios automatically, reducing the manual setup that traditionally limits roleplay programs. Simmie can be accessed through the web as well as through ChatGPT, Claude, Slack, and Microsoft Teams via MCP integrations, and it offers manager dashboards for visibility into rep readiness and skill gaps. The platform is SOC 2 Type II certified, includes regulatory-adherence detection features, and operates on a credit-based model where one credit equals roughly one minute of simulation. It is offered across individual, team, and enterprise infrastructure tiers and is actively operating in 2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Simmie is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Simmie |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | AI roleplay with realistic personas that push back and adapt |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Automated scoring of every conversation against a configurable rubric |
| Team usage | AI Notes for organizing transcribed content | AI coaching layer with post-call feedback and drill assignments |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Scenario builder that converts scripts, playbooks, and recordings into practice |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Access via web, ChatGPT, Claude, Slack, and Microsoft Teams (MCP) |
| Best-fit workflow | API access for integrating transcription into other workflows | Manager dashboards for rep readiness and skill gaps |
Celeste AI
Choose Celeste AI if you need brazilian teams transcribing meetings and calls in portuguese — strengths include strong focus on brazilian portuguese transcription accuracy.
Simmie
Choose Simmie if you need onboarding new sales reps with repeatable practice scenarios before live calls — strengths include lets reps practice objection handling and discovery on demand without a manager.
Celeste AI
Simmie
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Simmie is strong for onboarding new sales reps with repeatable practice scenarios before live calls. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Simmie is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
You can — some teams pair them when each covers a different part of the meeting workflow.
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