TalkJS vs Stream
Choosing between TalkJS and Stream? This guide compares both platforms on chat features, UI customization, pricing, and integration effort, so you can find the right fit for your use case.
TalkJS and Stream are both chat API platforms for adding real-time messaging to web and mobile apps. TalkJS ships a complete, drop-in chat UI that lives in your own codebase, charges per MAU only, and gives you direct engineer support on every plan. Stream provides individual UI components you assemble into a full chat product, backed by a global edge network and stronger compliance certifications for healthcare and US enterprise. For most teams that primarily need in-app chat and want to ship fast without billing surprises, TalkJS typically offers faster time-to-market, more UI ownership, and more predictable pricing at scale. Stream is worth evaluating if you need HIPAA compliance, SOC 2 certification, a dedicated moderation dashboard, or a global edge network for latency-sensitive workloads.
TalkJS is a chat API and SDK platform that lets teams add white-label in-app messaging to web or mobile applications. It ships a fully rendered, production-ready chat UI as a single component that drops into your existing codebase, customizable with your own HTML, CSS, and JavaScript, version-controlled like any other frontend code. With MAU-based pricing, built-in notification delivery across push, email, and SMS, and direct engineer support on every plan, TalkJS is designed for product teams who want to ship chat fast and scale it predictably.
- You need in-app chat live fast. Many teams ship in 2–5 days.
- You want a complete, drop-in chat UI you can fully customize, or go fully headless via the Data API
- You want your chat UI to live in your own codebase with full version control
- You need rich notifications out of the box: push, email, SMS, and reply-via-email
- You want predictable, MAU-only pricing that doesn't spike with message volume, channel count, or API usage
- You need ISO 27001 compliance with European data residency
- You want direct support from engineers on every plan, not just enterprise
Stream is a chat API and SDK platform built around a global edge network, offering a broad set of UI components. It is designed for teams that need to assemble a fully custom chat experience from individual components (such as message list, channel list) and who need enterprise-grade compliance certifications or dedicated moderation tooling. Stream's pricing model meters usage across multiple dimensions including message storage, channels, API calls, and bandwidth alongside MAU, giving flexibility for varied workloads at the cost of billing predictability.
- You require HIPAA compliance or SOC 2 certification for US enterprise procurement
- Your product needs a dedicated moderation dashboard and built-in AI moderation tooling
- You need a global edge network for latency-sensitive applications with a geographically distributed user base
- Your team has the engineering capacity to assemble and maintain a full chat UI from individual SDK components
- You need thread replies as a core native feature
- You require a 99.999% uptime SLA
- Your pricing model benefits from usage-based billing rather than a flat MAU rate
Compare TalkJS and Stream
TalkJS leads on pricing predictability, UI customization, notification delivery, and support access on every plan. Stream leads on moderation tooling, compliance certifications for healthcare and US enterprise, and global infrastructure. For teams building a chat-first product who want to ship fast and scale without billing surprises, TalkJS is the stronger choice.
| TalkJS | Stream | Why it matters | ||||
|---|---|---|---|---|---|---|
Core messaging | Core messaging | |||||
| 1:1 direct messaging | Essential for private conversations. | |||||
| Group chat | Needed for community platforms and team communication. | |||||
| Unlimited conversations & messages | Capped + overage fees | Prevents unexpected costs in high-frequency chat scenarios. | ||||
| Unlimited message retention | Capped + overage fees | Prevents data loss and supports compliance requirements. | ||||
| Threads | Not built-in, tutorial available | Keeps conversations organized in busy channels. | ||||
| Message search | Growth plan or higher | Elevate plan or higher | Essential for compliance, support workflows, and active communities. | |||
| Typing indicators | Improves perceived responsiveness and makes conversations feel natural. | |||||
| Read receipts | Critical for time-sensitive communications and engagement. | |||||
| Delivery receipts | Essential for high-reliability use cases requiring delivery confirmation. | |||||
| Emoji reactions | Quick sentiment acknowledgment without composing a full reply. | |||||
| @Mentions | Alerts specific people in group conversations, reducing noise. | |||||
| Link previews | Gives users context without leaving the chat, improving engagement. | |||||
| Message drafts | Ensures users don't lose composed messages when switching conversations. | |||||
| Message edit & delete | Reduces friction when users make mistakes, keeps conversations clean. | |||||
| User presence | Shows online/offline status to gauge real-time availability. | |||||
| Announcements | Broadcasts operational messages to users without a sender identity. | |||||
Media & content | Media & content | |||||
| File & media sharing | Optional CDN add-on | Document exchange and image sharing within chat context. | ||||
| Voice messages | Async voice notes for mobile users and accessibility needs. | |||||
| Location sharing | Enables location-based use cases such as delivery and logistics. | |||||
| Auto message translation | Growth plan or higher | Elevate plan or higher, additional charges | Removes friction in multilingual applications. | |||
| UI localization | Accelerates international launch without custom development. | |||||
Notifications | Notifications | |||||
| Push notifications | Core feature for mobile engagement and re-engagement. | |||||
| Email notifications | Keeps users engaged even when they're not active in the app. | |||||
| SMS notifications | Critical for high-urgency notifications requiring guaranteed delivery. | |||||
| Reply-via-email (syncs to chat) | — | Users can reply from their inbox without opening another app. | ||||
| Custom HTML/CSS notification emails | Growth plan or higher | — | Full brand control over notification emails. | |||
| Custom email sender domain | Growth plan or higher | — | Email appears from your domain, improving deliverability and brand trust. | |||
Customization & developer experience | Customization & developer experience | |||||
| Pre-built chat UI | Build from UI components | A ready-made UI means days to integrate, not weeks. | ||||
| Full HTML/CSS/JS UI customization | Limited theming and component overrides | Enables white-label deployment and brand matching. | ||||
| Free development mode | Limited free plan | Unlimited prototyping for thorough evaluation before committing. | ||||
| Frontend SDKs | Broad framework support reduces integration friction. | |||||
| Webhooks | Enables real-time event handling and backend integrations. | |||||
| REST API | Programmatic control over users, conversations, and messages. | |||||
| Data API (real-time) | — | Build a fully headless custom chat UI by subscribing to chat data directly, without using prebuilt UI components. | ||||
| Developer dashboard | Visibility into activity and configuration without touching code. | |||||
Moderation | Moderation | |||||
| Profanity filter/Keyword blocklist | Automated content safety reduces manual moderation overhead. | |||||
| Mute, ban & block users | Essential for maintaining safe communities and handling bad actors. | |||||
| Dedicated moderation dashboard | — | Lets moderators act without needing full admin access. | ||||
| AI Moderation | Integrate your own | Enterprise add-on | Automatically catch harmful content at scale. | |||
Security & infrastructure | Security & infrastructure | |||||
| Uptime SLA | Enterprise (included) | Enterprise add-on | Contractual uptime guarantees are critical when downtime impacts revenue. | |||
| Global edge network | — | Reduces latency for globally distributed users. | ||||
| Offline support | Messages composed offline sync when reconnected. | |||||
| On-premise/Private cloud | Enterprise add-on | Enterprise add-on | Required for strict data residency or air-gapped environments. | |||
| Regional data hosting | EU data hosting | Enterprise add-on | Controls where user data is stored, critical for regulatory compliance. | |||
| GDPR | Data protection for companies operating in the Europe Union. | |||||
| ISO 27001 | Internationally recognized security standard, required in many enterprise procurement processes. | |||||
| SOC 2 | — | Expected by many US enterprise customers as a security baseline. | ||||
| HIPAA | — | Elevate plan or higher | Required for handling patient data in US healthcare applications. | |||
| SSO/SAML | Coming soon | Enterprise plan | Simplifies access management, often required for enterprise IT procurement. | |||
Pricing model | Pricing model | |||||
| Pricing based on MAU only | MAU + multiple usage-based variables | Predictable pricing protects margins as your user base grows. | ||||
| Unlimited message storage | Capped + overage fees | Per-message fees generate unexpected costs in high-frequency chat scenarios. | ||||
| Unlimited channels | Capped + overage fees | Channel fees compound quickly on community platforms. | ||||
| Unlimited API calls | Capped + additional charges | API fees add unpredictability for products with heavy backend integrations. | ||||
| Unlimited API bandwidth | Capped + additional charges | Bandwidth costs scale with usage in ways that are hard to forecast at the start of a project. | ||||
Support | Support | |||||
| Chat support | Ticketed system | Faster resolution of technical issues without tier-gating. | ||||
| Email support | Ticketed system | Direct engineering access accelerates technical problem-solving. | ||||
| Pre-launch support | Enterprise add-on | Getting help before you go live reduces integration risk. | ||||
| Access to core engineering team | Enterprise add-on | Escalation to the people who built the platform is critical when you hit edge cases in production. | ||||
| Phone support | Enterprise plan | Enterprise add-on | Live escalation for critical production issues. | |||
Why TalkJS?
Teams that choose TalkJS get a complete chat product live in days, not weeks. No component assembly, no usage-based billing surprises, and direct engineer support from day one through launch and beyond.
The management was really happy when I was able to demo a working end-to-end chat conversation in 2-3 days.
We wanted good system stability and were also looking at Sendbird. Went with TalkJS because it was cost efficient compared to the market.
The support was incredibly helpful. It's now the major reason we'll continue to stick with TalkJS.
TalkJS allowed our team to focus entirely on core marketplace features instead of maintaining chat infrastructure.
TalkJS pricing vs Stream
TalkJS pricing is based on Monthly Active Users (MAU) only, with unlimited messages, channels, and API calls included on all plans. Stream's pricing includes MAU plus separate metered limits on message storage, channels, API calls, and bandwidth, each billed at overage rates when exceeded.
How many MAU?
TalkJS
Stream
Migrate to Talkjs from Stream in less than 30 days
Our migration team will help you handle the transition with zero downtime.
- Step-by-step migration guide
- Data import tools
- Dedicated migration support by a TalkJS engineer
FAQs
For most chat use cases, TalkJS will be more predictable and often cheaper at scale. TalkJS charges per Monthly Active User (MAU) only, so your costs grow with your user base, not with how much your users chat. Stream charges per MAU but also meters message storage, channels, API calls, API bandwidth, and CDN usage separately, each with its own cap and overage rate. A product with high message volume, many channels, or heavy media sharing can generate significant Stream costs even with a modest user base. TalkJS's MAU-only model means none of those usage dimensions affect your bill.
TalkJS. Many teams ship to production in 2–5 days, and a working proof of concept can be built in under an hour. TalkJS ships a fully rendered chat UI as a single React component or web component that drops into your existing codebase. Stream provides individual UI components (such as message list, channel list, message composer) that you assemble into a complete UI yourself, which requires significantly more frontend work before you have something shippable.
Stream provides individual UI components for React, iOS, Android, Flutter, and Angular, but not a complete ready-to-use chat UI. You assemble those components into a working product yourself. TalkJS ships a fully rendered inbox, chatbox, conversation list, and popup out of the box, each fully customizable with HTML, CSS, and JavaScript. If your team wants to minimize frontend build time, TalkJS gets you to a working chat significantly faster.
Both platforms support deep UI customization, but the model is fundamentally different. With TalkJS, your chat UI code lives in your own codebase as a React or web component. You style it with your own CSS, version-control it like any other frontend code, and it behaves like any other part of your application. With Stream, customization works by overriding components within their SDK framework, bound by their component architecture and upgrade cycle. TalkJS's approach gives you more ownership; Stream's approach gives you a prebuilt structure to work within.
Yes. TalkJS includes email notifications, SMS notifications, and push notifications on all plans. It also includes a reply-via-email feature where users can reply to a notification email and have their response sync back into the chat. On Growth plans and higher, you can customize notification emails with full HTML and CSS and send them from your own domain. Stream supports push notifications but email and SMS notification capabilities are not confirmed in their public documentation.
Stream has the stronger built-in moderation tooling. It includes a dedicated moderation dashboard, moderator user roles, message flagging, pre-send message hooks, and AI moderation as an Enterprise add-on. TalkJS includes a profanity filter with regex-based keyword blocklists and mute, ban, and block controls, but doesn't have a dedicated moderation dashboard. TalkJS does support integration with third-party moderation vendors if you need more advanced capabilities. If moderation is a core requirement of your product, Stream's tooling is more complete out of the box.
It depends on your requirements. Both are ISO 27001 certified and GDPR compliant. Stream additionally holds SOC 2 and offers HIPAA compliance on Elevate plans and higher, making it the stronger choice for US-based healthcare applications or enterprise procurement processes that require SOC 2. TalkJS offers EU data residency and on-premise/private cloud options as Enterprise add-ons. If HIPAA or SOC 2 are hard requirements, Stream is the right choice. If ISO 27001 and GDPR cover your needs, TalkJS is the stronger option for chat.
Not on standard plans. Stream caps message storage at 5 million messages on the Start plan and 10 million on Elevate, with overages charged at $6 per million messages. TalkJS includes unlimited message retention on all plans with no overage fees.
Yes. TalkJS supports full data migration including message history and conversation state. Our migration team provides dedicated support throughout the process to minimize disruption to your users.
Not as a built-in feature, but TalkJS provides a tutorial for adding threaded replies yourself. Stream includes threads natively. If threads are a core requirement for your product, this is worth factoring into your evaluation.