kitio.aiInworld AI vs SpeechGen.io
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Inworld AI starts at $25/mo and SpeechGen.io starts at See pricing page. Check both pricing pages for current plans.
Realtime text-to-speech, speech-to-text and LLM inference for consumer apps
Freemium · $25/moAt a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Realtime TTS-2 and TTS-2 Flash
- Speech-to-text
- Speech-to-speech
- Voice cloning and design
- Open LLM inference
- Credit rollover
- 5,000+ voices in 150 languages
- SSML editing controls
- Voice cloning
- Subtitles to audio
- Transcription
- API
| Feature | Inworld AI | SpeechGen.io |
|---|---|---|
| Best for | Realtime text-to-speech, speech-to-text and LLM inference for consumer apps | Text-to-speech with 5,000+ voices, SSML control and pay-as-you-go credits |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | $25/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Inworld AI | SpeechGen.io |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Inworld AI starts at $25/mo and SpeechGen.io starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
6 plans
On-Demand
$25 / 1M characters (TTS-2)
- Pay as you go
- Up to 70 min TTS included
- 2 professional voice clones
Creator
$25/mo
- $25 in credits per month
- Up to 33% off TTS and STT
- 4 professional voice clones
Builder
$100/mo
- $100 in credits per month
- Up to 40% off TTS and STT
- 10 professional voice clones
Developer
$300/mo
- $300 in credits per month
- Up to 47% off TTS and STT
- Priority email support
Growth
$1500/mo
- $1,500 in credits per month
- Up to 53% off TTS and STT
- Higher API limits
Enterprise
Custom
- TTS-2 from $5 per 1M characters
- SLA and data residency
4 plans
10,000 credits
₹199 one-time
- About 24 minutes of speech
- TTS or transcription
40,000 credits
₹699 one-time
- About 95 minutes of speech
200,000 credits
₹2,499 one-time
- About 476 minutes of speech
2,000,000 credits
₹14,999 one-time
- About 4,762 minutes of speech
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Inworld AI
- Very low latency for live voice
- Pay-as-you-go option
- Unused credits roll over
- Best rates need large commitments
- HIPAA and ZDR are add-ons
- Developer-oriented, no consumer app
SpeechGen.io
- No subscription required
- Credits last up to a year
- Free repeats via cache
- Very wide voice selection
- Evidence shows prices in rupees only
- Free trial covers only 1,000 characters
- Editor can feel technical
Which one should you choose?
Choose Inworld AI if you want:
- Very low latency for live voice
- Pay-as-you-go option
- Unused credits roll over
Watch out: best rates need large commitments.
Choose SpeechGen.io if you want:
- No subscription required
- Credits last up to a year
- Free repeats via cache
Watch out: evidence shows prices in rupees only.
Inworld AI vs SpeechGen.io FAQ
What is the difference between Inworld AI and SpeechGen.io?
Inworld AI: Realtime text-to-speech, speech-to-text and LLM inference for consumer apps. SpeechGen.io: Text-to-speech with 5,000+ voices, SSML control and pay-as-you-go credits. Both are audio & voice tools.
Is Inworld AI or SpeechGen.io cheaper?
Inworld AI starts at $25/mo and SpeechGen.io starts at See pricing page. Check both pricing pages for current plans.
Do Inworld AI and SpeechGen.io have free plans?
Inworld AI: Yes. SpeechGen.io: Yes.
Who makes Inworld AI?
Inworld AI is made by Inworld AI, based in United States.
Who makes SpeechGen.io?
SpeechGen.io is made by SpeechGen.io.
Which should I choose, Inworld AI or SpeechGen.io?
Choose Inworld AI if you value very low latency for live voice and pay-as-you-go option. Choose SpeechGen.io if you value no subscription required and credits last up to a year.