vioscale
Comparison

Novu vs Stream

On the evidence we track, Novu leads this comparison with a composite score of 78/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Novu full profile →Stream full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Attribute comparison across 2 tools
Attribute78NovuLeader73Stream
Vioscale score78 / 100medium · 64%73 / 100medium · 62%
Options{"cloud":true,"on_prem":true,"self_hosted":true}{"cloud":true}
LongOpen-source notifications infrastructure for managing notifications and agent conversations across multiple channels including Email, SMS, Push, Chat, Slack, Microsoft Teams, and Telegram.Platform providing real-time chat messaging, video calling, livestreaming, activity feeds, and AI moderation APIs with SDKs for building multi-modal applications at scale.
Capabilities{"sms":true,"chat":true,"email":true,"global_coverage":"global","deliverability_tools":true,"usage_pricing_transparent":true}{"chat":true,"video":true,"voice":true,"two_way":true,"global_coverage":"global","usage_pricing_transparent":true}
Count71
List[{"name":"Slack"},{"name":"Microsoft Teams"},{"name":"Telegram"},{"name":"Email"},{"name":"SMS"},{"name":"Push"},{"name":"Chat"}][{"name":"Datadog"}]
Support{"web":true}{"cli":true,"ios":true,"web":true,"android":true}
Pricing{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"$0/month","features":["10,000 workflow runs/month","All channels: Email, In-app, SMS, Chat, Push","US + EU data residency","Up to 20 workflows","2 environments (Dev + Prod)","Activity feed retention: 24 hours","Up to 3 team members"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"A complete starter toolkit for exploring Novu and sending your first notifications. No credit card required.","contactSales":false,"includedLimits":{"workflows":"20","environments":"2","team_members":"3","workflow_runs":"10,000/mo","activity_feed_retention":"24h"}},{"free":false,"name":"Pro","summary":"Starting from $30/month","features":["30,000+ workflow runs/month","Everything in Free, plus:","7-day activity feed retention","Remove Novu branding","Advanced email editor (blocks, layouts)","Higher rate limits & faster processing"],"components":[{"kind":"fixed","amount":30,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"workflow_runs"},"kind":"metered","amount":1.2,"currency":"USD"}],"description":"More scale and flexibility - ideal for teams moving beyond experimentation.","contactSales":false,"includedLimits":{"workflow_runs":"30,000/mo","activity_feed_retention":"7 days"}},{"free":false,"name":"Team","summary":"Starting from $250/month","features":["250,000+ workflow runs/month","Everything in Pro, plus:","Up to 10 environments (Staging, QA, Pre-prod, etc.)","90-day activity feed retention","Unlimited team members","More workflows","Role-Based Access Control (RBAC)","Expanded rate limits (600 RPS triggers)"],"components":[{"kind":"fixed","amount":250,"period":"month","currency":"USD"},{"per":{"qty":1000,"unit":"workflow_runs"},"kind":"metered","amount":1.2,"currency":"USD"}],"description":"Built for growing engineering teams sending meaningful volume into production.","contactSales":false,"includedLimits":{"environments":"10","team_members":"Unlimited","workflow_runs":"250,000/mo","throughput_rps":"600","activity_feed_retention":"90 days"}},{"free":false,"name":"Enterprise","summary":"Custom pricing, contact sales","features":["10M+ workflow runs/month (custom volume tiers)","Everything in Team, plus:","Unlimited environments","Custom retention policies (feed, audit, logs)","Custom delay & digest windows","HIPAA BAA","Dedicated SSO (SAML / OIDC)","Directory Sync (SCIM)","Private Slack/Teams support channel","Advanced data residency (Singapore, UK, Australia, Japan, South Korea, custom regions)","Self-hosted deployment options"],"description":"Enterprise-grade scale, compliance, support, and hosting options.","contactSales":true,"includedLimits":{"workflow_runs":"10M+","custom_volumes":"True"}}],"summary":"From $30/month. Free tier with 10,000 workflow runs/month.","currency":"USD","freeTier":true,"sourceUrl":"https://novu.co","retrievedAt":"2026-08-03T14:27:48.362Z","startingPrice":{"amount":1.2,"period":"month","currency":"USD"},"billingPeriods":["month"]}{"type":"hybrid","plans":[{"free":true,"name":"Build","summary":"Free","features":["All Chat features","Community Support","No credit card required"],"description":"Free tier for makers","contactSales":false,"includedLimits":{"mau":"1,000","channels":"up to 500K","message_storage":"up to 5M messages","concurrent_connections":"100"}},{"free":false,"name":"Start","summary":"$399/mo billed annually, $499/mo monthly","features":["Advanced Moderation & Filters","Global EDGE Network","Offline Support","Data Export"],"components":[{"kind":"fixed","amount":399,"period":"month","currency":"USD"}],"description":"Robust Chat features","contactSales":false,"includedLimits":{"mau":"10,000","channels":"up to 1M","message_storage":"up to 10M messages","concurrent_connections":"500"}},{"free":false,"name":"Elevate","summary":"$599/mo billed annually, $675/mo monthly","features":["All Start features","Multi Tenancy/Teams","Advanced Search","HIPAA","Message Translations"],"components":[{"kind":"fixed","amount":599,"period":"month","currency":"USD"}],"description":"Start features plus multi-tenancy and advanced capabilities","contactSales":false,"includedLimits":{"mau":"10,000","concurrent_connections":"500"}},{"free":false,"name":"Enterprise","summary":"Contact for pricing","features":["Scale to millions of users","AI Moderation","99.999% SLA","Dedicated Servers","Shared Slack Channel","Onboarding Services","Migration Guarantee","24/7 Support","SAML/SSO","Datadog Integration"],"description":"Enterprise-grade service with volume discounts and premium support","contactSales":true}],"addOns":[{"name":"MAU Overage","components":[{"per":{"qty":1,"unit":"user"},"kind":"metered","amount":0.09,"currency":"USD"}]},{"name":"Concurrent Connections Overage","components":[{"per":{"qty":1,"unit":"concurrent"},"kind":"metered","amount":0.99,"currency":"USD"}]},{"name":"Stored Message Overage","components":[{"per":{"qty":1000000,"unit":"messages"},"kind":"metered","amount":6,"currency":"USD"}]}],"summary":"From $399/mo billed annually. Free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://getstream.io","retrievedAt":"2026-08-04T08:34:00.374Z","startingPrice":{"amount":399,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}
Free tierYesYes
Modelfreemiumcommercial
Price levellowhigh
Starting gbp1.2399
TransparentYesYes
Sla pct99.999.999
Status pageYesYes
Disclosure policy-Yes
GdprYesYes
HipaaYesYes
Iso27001YesYes
Soc2YesYes

Capabilities

Feature-by-feature on the axes that matter for communication apis. “-” means undocumented, not absent.

Capability comparison for Communication APIs
CapabilityNovuStream
Channels
SMS✓-
Voice-✓
WhatsApp--
RCS--
Transactional email✓-
Video / real-time-✓
In-app chat✓✓
Verify / OTP / 2FA--
Messaging
Two-way messaging-✓
Reach
Geographic coverageGlobalGlobal
Delivery
Email deliverability tools✓-
Commercial
Published per-unit pricing✓✓

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.