Inworld AI vs Cartesia vs OpenAI API

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Inworld AI
vs
Competitor 1
Cartesia
Competitor 2
OpenAI API
Competitor 3
Suggested competitors for Inworld AI: ElevenLabs85% Universal-3 Pro by AssemblyAI84% Speechmatics | AI Voice Agents82% Deepgram82% Hume EVI80% Rime78% Gpt Realtime 272% Soniox70%
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3 tools · best value per row highlighted
Your tool Inworld AI
inworld.ai
NPCs that actually think
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Competitor Cartesia
cartesia.ai
Cartesia is a voice AI company that provides one API for speech generation, transcription and production voice agents fast enough for live conversation.
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Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
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Traffic estimated monthly website traffic
Monthly visits
392.1Kvisits/mo
—
15.2Mvisits/mo
MoM change
▼ 19.8%
—
▲ 4.6%
6-month growth
-9.5%
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-2.4%
Global rank web
#85,951
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—
Avg. last 3 months
458K
—
15.2M
Bounce rate lower is better
43%
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34%
Pages / visit
4.5
—
5.4
Visit duration
2m 04s
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3m 56s
Traffic sources
● Direct 90% · ● Referral 9%
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● Direct 82% · ● Referral 15%
Inworld AICartesiaOpenAI API
04.7M9.4M14.1M18.7MInworld AI · 211.9KInworld AI · 693.5KInworld AI · 846.6KInworld AI · 558.9KInworld AI · 433.3KInworld AI · 461.9KInworld AI · 489.3KInworld AI · 493.4KInworld AI · 488.6KInworld AI · 392.1KOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2M100K1M10M100MInworld AI · 211.9KInworld AI · 693.5KInworld AI · 846.6KInworld AI · 558.9KInworld AI · 433.3KInworld AI · 461.9KInworld AI · 489.3KInworld AI · 493.4KInworld AI · 488.6KInworld AI · 392.1KOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Starting price
$25per month
$5per month · free tier available
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Free tier
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Free trial
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API access
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Plans
On-Demand Custom/freeCreator $25/moBuilder $100/moDeveloper $300/mo+1 more
Free FreePro $5/moStartup $49/moScale $299/mo+1 more
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Capabilities input → output
Input
AudioText
AudioText
DocumentsTextImagesAudio
Output
AudioText
AudioText
VideoTextImagesCodeAudio
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeVoice & SpeechAI APIAI Text-to-Speech+2 more
Business & MarketingVoice & SpeechAI Call CenterAI Text-to-Speech+2 more
Development & CodeAI APILarge Language Models (LLMs)
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
10
10
6
APIs
Text to speech
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Voice agents
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Transcription
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Developer tools
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Voice assistance
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Call agents
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Chatting with NPCs
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Game characters
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LLM development
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Large language models
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Speech synthesis
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Voice
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API integrations
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Call center automation
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Chatbot building
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Development
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Gaming
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Speech recognition
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.