Syllable
Agent62Agent Readiness: 62/100. Top 25%. Measured by StartupHub.ai. Median 41.Trust86Data Trust: 86/100. Top 25%. Measured by StartupHub.ai. Median 61.Agentic platform for building, running, and optimizing AI agents across voice, SMS, chat, and web.
About
Syllable provides an Agentic Platform for building, deploying, and optimizing AI agents using code or no-code tools. Their platform supports mission-critical AI workloads across voice, SMS, chat, and web channels, enabling organizations to run production AI agents with reliability and compliance. Syllable serves teams and organizations across all industries and technology backgrounds.
Listed competitors
LangChain is a framework for developing applications powered by language models, while Syllable offers a more comprehensive agentic platform with carrier-grade infrastructure for deployment across multiple channels and both code-based and no-code options.
Google Cloud offers extensive AI and ML tools, but Syllable's specialization in agentic platforms and multi-channel deployment provides a more tailored solution for building and managing AI agents.
Azure AI provides a broad suite of AI services, whereas Syllable focuses specifically on building, running, and optimizing AI agents with a dedicated platform and infrastructure.
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Key facts
- Website
- syllable.ai
- Headquarters
- San Francisco, United States
- Founded
- 2016
- Employees
- 55
- Total funding
- $94M (Series A)
- Business model
- B2B
Syllable pricing
| Plan | Price |
|---|---|
| Free TrialLimited-minute allowance, Max 3 minutes per call, No credit card required | $0 |
| Metered Pay-As-You-GoPay only for what you use, Auto-recharges $100 when balance drops below $50, No annual commitment | $150 / prepayment |
Metered rates cover Syllable platform hosting. Third-party AI services passed through at cost with zero markup. No hidden fees. All fees in USD.
Plans as published by Syllable, checked September 2026. Current prices on syllable.ai
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 1 Mar 2023 | Series A | $20M | Lightspeed Venture Partners |
| 25 Apr 2022 | Series C | $40M | TCV |
| 1 Jan 2022 | Seed | $2M | Founders Fund |
| 30 Jun 2021 | Series B | $28M | OAK HC/FT |
| 1 Mar 2017 | Seed | $4M |
Tech stack
Detected on syllable.ai, last scanned 7 Nov 2026. Run your own scan
- Compliance
- SOC 2, GDPR
- Analytics
- Google Tag Manager
- CDN
- Cloudflare
- Email provider
- Google Workspace, SendGrid
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Frequently asked
Is Syllable trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Syllable is 86 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Syllable raised?
Syllable has raised a total of $94M in funding. The most recent round on record is Series A.
How many employees does Syllable have?
Syllable has approximately 55 people on record.
SEC filings, insider activity, nonprofit links and pay benchmarks for Syllable:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules
