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Market around Voice Controlled Interface

A reusable specification and implementation pattern for voice-first applications using OpenAI Realtime API, WebRTC, function calling, and optional MCP tools.

Visit voice-controlled-interface.vercel.app ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at
Voice Controlled Interface · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
Voice Controlled Interface doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
32nd pctile
28 strong substitutes
Price momentum · 30d
Flat
APIs · Pro median
$49/mo
3 priced · $29–$74 mid 50%
Platforms · Pro median
$36/mo
1 priced · $36–$36 mid 50%
Other · Pro median
$50/mo
1 priced · $50–$50 mid 50%
Price spectrum · Pro plans · 5 of 8 providers priced · log scale · $9 → $99/mo
APIs Platforms Other◻ shaded = middle 50% · line = median (all types)Voice Controlled Interface has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches Voice Controlled Interface's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

FFrameworks20Ranked by relevance
Voice Controlled Interfacethis listing
● FRAMEWORK · relevance 100%
no public price
workflows
● FRAMEWORK · relevance 77%
no public price
jargo
● FRAMEWORK · relevance 77%
no public price
funasr
● FRAMEWORK · relevance 76%
no public price
OpenAI Realtime Toolkit
● FRAMEWORK · relevance 72%
no public price
Callforge
● FRAMEWORK · relevance 72%
no Pro plan
entry $199/mo
pipecat
● FRAMEWORK · relevance 72%
no public price
talkito
● FRAMEWORK · relevance 72%
no public price
safestclaw
● FRAMEWORK · relevance 71%
no public price
Agent Protocol
● FRAMEWORK · relevance 69%
no public price
utcp
● FRAMEWORK · relevance 69%
no public price
JO
jovo
● FRAMEWORK · relevance 68%
no public price
ageniti
● FRAMEWORK · relevance 68%
no public price
voiceclaw
● FRAMEWORK · relevance 68%
no public price
agent_voice_chat
● FRAMEWORK · relevance 67%
no public price
utah
● FRAMEWORK · relevance 67%
no public price
deep_research
● FRAMEWORK · relevance 66%
no public price
cogriaagent
● FRAMEWORK · relevance 66%
no public price
AutoGen
● FRAMEWORK · relevance 66%
no public price
aicss
● FRAMEWORK · relevance 66%
no Pro plan
entry $190/mo
AAPIs9Ranked by relevance
outspeed
● API · relevance 77%
no public price
assemblyai
● API · relevance 72%
no public price
smallest
● API · relevance 71%
no public price
recall_ai
● API · relevance 70%
no public price
ElevenLabs Voice
● API · relevance 69%
$99/mo Pro
+102% vs Pro median
utilix
● API · relevance 69%
$9/mo Pro
-82% vs Pro median
cartesia_sonic
● API · relevance 67%
$49/mo Pro
0% vs Pro median
voicegate
● API · relevance 67%
no public price
bailian_cli
● API · relevance 66%
no public price
PPlatforms10Ranked by relevance
deepgram
● PLATFORM · relevance 73%
no public price
vocode
● PLATFORM · relevance 73%
no public price
melo_2
● PLATFORM · relevance 73%
no public price
vapi
● PLATFORM · relevance 70%
no public price
video_sdk
● PLATFORM · relevance 69%
no public price
trugen
● PLATFORM · relevance 68%
$36/mo Pro
runapi
● PLATFORM · relevance 68%
no public price
signalwire_ai_agent
● PLATFORM · relevance 68%
no public price
beyond_presence
● PLATFORM · relevance 66%
no Pro plan
entry $57/mo
nexus_vox
● PLATFORM · relevance 66%
no public price
OOther4Ranked by relevance
LiveKit
● OTHER · relevance 73%
no public price
Duplex Call
● OTHER · relevance 70%
no public price
nango
● OTHER · relevance 67%
$50/mo Pro
openclaw_voice_call_realtime
● OTHER · relevance 67%
no public price
MMCP servers3Ranked by relevance
yc_plum_hackathon_mcp
● MCP · relevance 72%
no public price
Chamade
● MCP · relevance 70%
no public price
mcp_speak
● MCP · relevance 68%
no public price
AAgents4Ranked by relevance
ai_assistant_vui
● AGENT · relevance 71%
no public price
ai_voice_agent_2
● AGENT · relevance 69%
no public price
melo
● AGENT · relevance 68%
no public price
matrix_voip_agent
● AGENT · relevance 67%
no public price

Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.