How do their growth rates compare?

Callr has a month-over-month growth rate of -45.2%; Speko has -7.9%.

How does pricing compare?

Callr: Free Trial, Paid. Free trial available; paid usage-based plans. The site lists the option to get started for free and a pricing page; per-interaction figures published by the vendor are around €0.012 for voice, €0.040 for SMS and €0.001 for email. Enterprise/white-label pricing is quoted on request. Speko: Paid, Contact for Pricing. Two models. On Speko infrastructure, a flat $0.09 per minute bundles STT, LLM and TTS; calls bill from answer to hang-up and unanswered calls cost nothing. With managed routing, you pay the selected provider's published rate plus 5%. $10 in signup credit applies to every account. Phone numbers cost $1 setup and $2 per month for most numbers, and calls on Speko numbers add the carrier charge plus 20%.

What are alternatives to Callr and Speko?

Other tools in related categories include OpenAI Platform, ElevenLabs, OpenRouter, Cartesia, Deepgram Voice AI.

Callr vs Speko — Traffic (2.66K vs 20.95K), Pricing & Verdict

Open AI Tools

Callr vs Speko — Traffic (2.66K vs 20.95K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Callr	Speko
Official Domain	callr.com	speko.ai
Pricing Model	Free Trial, Paid	Paid, Contact for Pricing
Monthly Visits	2.66K (2,657)	20.95K (20,954)
MoM Traffic Delta	-2.19K (-45.2%)	-1.8K (-7.9%)
Primary Market & Share	🇮🇳 India (68.8%)	🇺🇸 United States (62.2%)
Direct Visits / mo	1.04K	5.93K
User Rating	4.2	4.4
Supported Platforms	Website	Website

Callr

API-first voice, SMS and AI conversation intelligence platform

Programmable voice and SMS API

REST API, webhooks and serverless flows for inbound and outbound voice, SMS, email and IVR across 220+ countries on Callr's own carrier network.

Conversation intelligence

Automatic transcripts, AI summaries, sentiment, intent, satisfaction scoring and campaign attribution generated from each call with prompts you control.

AI voice agents

Low-code flow builder for agents that answer, qualify, book and resolve calls end to end, escalating to a human when it matters.

Bring your own model

Connect GPT, Claude, Mistral, Llama or a private in-house model so extraction logic and data residency stay under your control.

Strengths & Pros

+Owns its carrier network, which keeps pricing and quality under direct control
+Genuinely API-first with thorough documentation, webhooks and a low-code flow designer
+Combines raw telephony with AI transcription, sentiment, intent and attribution in one platform
+Model-agnostic AI layer lets teams choose their own LLM or self-hosted stack