vioscale
Comparison

Bird vs Plivo

On the evidence we track, Plivo leads this comparison with a composite score of 73/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Bird full profile →Plivo full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Attribute comparison across 2 tools
Attribute73Bird73PlivoLeader
Vioscale score73 / 100low · 30%73 / 100medium · 62%
Options{"cloud":true}{"cloud":true}
LongMulti-channel communications platform enabling email, SMS, voice, WhatsApp, and real-time messaging through a single API designed for developers and AI agents.Platform for building and deploying voice AI agents with transparent usage-based pricing, offering both code-based and no-code development paths on carrier-grade telephony infrastructure.
Capabilities{"rcs":true,"sms":true,"email":true,"voice":true,"two_way":true,"whatsapp":true,"verify_otp":true,"global_coverage":"global","deliverability_tools":true,"usage_pricing_transparent":true}{"sms":true,"chat":true,"voice":true,"two_way":true,"whatsapp":true,"verify_otp":true,"global_coverage":"global","usage_pricing_transparent":true}
Count-9
List-[{"name":"LiveKit"},{"name":"Pipecat"},{"name":"OpenAI"},{"name":"Google Gemini"},{"name":"Deepgram"},{"name":"Cartesia"},{"name":"ElevenLabs"},{"name":"Vapi"},{"name":"OpenAI Realtime"}]
Availability-{"primaryMarkets":["US","IN","GB"],"availabilityScope":"global","availableCountries":["US","IN","GB"],"notAvailableCountries":[]}
Support{"cli":true,"web":true}{"cli":true,"web":true}
Pricing{"type":"usage","plans":[{"free":true,"name":"Free","summary":"1000 emails/month, no credit card required","features":["1 webhook endpoint","1 sending domain","Shared sending IP"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"emails":"1000/month","daily_cap":"50/day"}},{"free":false,"name":"Startup","summary":"$15/month for 50K emails or $30/month for 100K","features":["1 webhook endpoint","10 sending domains","Shared sending IP"],"components":[{"kind":"fixed","amount":15,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"emails":"50000-100000/month"}},{"free":false,"name":"Growth","summary":"From $80/month at 100K emails. Per-message rate declines to $0.42 per 1000 at 2.5M volume","features":["10 webhook endpoints","1000 sending domains","Dedicated IPs available as add-on"],"components":[{"per":{"qty":1000,"unit":"email"},"kind":"metered","amount":0.8,"currency":"USD"}],"contactSales":false,"includedLimits":{"emails":"100000-2500000/month"}},{"free":false,"name":"Enterprise","summary":"Custom pricing for 2.5M+ monthly emails","features":["Negotiated per-message rates","Multi-year invoiced billing","Overage cap lifted by agreement"],"commitment":"annual","contactSales":true,"includedLimits":{"emails":"2500000+/month"}}],"addOns":[{"name":"Dedicated IP","components":[{"kind":"fixed","amount":24.95,"period":"month","currency":"USD"}]}],"summary":"Free tier with 1000 emails/month. Startup from $15/month. Growth from $80/month with volume-based pricing declining to $0.42 per 1000 emails.","currency":"USD","freeTier":true,"sourceUrl":"https://bird.com","retrievedAt":"2026-08-03T13:21:15.007Z","startingPrice":{"amount":0.8,"period":"month","currency":"USD"},"billingPeriods":["month"]}{"type":"usage","plans":[{"free":true,"name":"Pay as you go","summary":"From $0.003/min (inbound) to $0.04/min (AI agents). $10 free credits.","features":["Voice AI agents","SIP Trunking (outbound & inbound)","Audio Streaming","Phone Numbers","Verify API"],"components":[{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.04,"currency":"USD"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.0072,"currency":"USD"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.003,"currency":"USD"},{"per":{"qty":1,"unit":"message"},"kind":"metered","amount":0.0372,"currency":"USD"},{"per":{"qty":1,"unit":"message"},"kind":"metered","amount":0.0242,"currency":"USD"},{"per":{"qty":1,"unit":"minute"},"kind":"metered","amount":0.004,"currency":"USD"}],"description":"Flexible usage-based pricing with free trial credits","contactSales":false,"includedLimits":{"concurrency":"2 RPS & 50 call concurrency","monthly_cap":"$2,500","free_credits":"$10"}},{"free":false,"name":"Enterprise","summary":"Starts at $1,000/month with custom pricing and volume discounts.","features":["All Pay as you go features","SMS","WhatsApp","Verify API","Shortcodes & custom sender IDs","Volume discounts","Custom billing intervals","Custom concurrency","HIPAA compliance","BAA compliance","SSO"],"components":[{"kind":"fixed","amount":1000,"period":"month","currency":"USD"}],"description":"Custom pricing for high-volume needs","contactSales":true,"includedLimits":{"coverage":"190+ countries"}}],"summary":"From $0.003/min to $0.04/min for voice. $10 free credits. Enterprise from $1,000/month.","currency":"USD","freeTier":true,"sourceUrl":"https://www.plivo.com","retrievedAt":"2026-08-05T14:10:48.822Z"}
Free tierYesYes
Modelcommercialfreemium
Price levellowlow
Starting gbp0.8-
TransparentYesYes
Sla pct-99.99
Status pageYesYes
Disclosure policyYes-
Gdpr-Yes
Hipaa-Yes
Soc2-Yes

Capabilities

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

Capability comparison for Communication APIs
CapabilityBirdPlivo
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.

Bird vs Plivo: an evidence-based comparison · Vioscale