Lowest price
Choose Gemini 3.8 Flash-Lite TTS
Gemini 3.8 Flash-Lite TTS costs $6.00 / 1M audio tokens, against $12.00 / 1M audio tokens for GPT-4o Mini TTS.
Gemini 3.8 Flash-Lite TTS vs GPT-4o Mini TTS: price, context and capabilities
Choose Gemini 3.8 Flash-Lite TTS for the lowest price and the latest release; on the other points the two are level or the data is missing.
In short
- Gemini 3.8 Flash-Lite TTS is 50% cheaper than GPT-4o Mini TTS at the headline price ($6.00 / 1M audio tokens vs $12.00 / 1M audio tokens).
- Gemini 3.8 Flash-Lite TTS is the newer model (September 2026, against Mar 20, 2025).
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Latest release
Choose Gemini 3.8 Flash-Lite TTS
Gemini 3.8 Flash-Lite TTS is the newer release (September 2026, against Mar 20, 2025 for GPT-4o Mini TTS).
Specifications side by side
| Gemini 3.8 Flash-Lite TTS | GPT-4o Mini TTS | |
|---|---|---|
| Provider | OpenAI | |
| Category | Text to speech | Text to speech |
| Status | Generally available | Generally available |
| Headline price | $6.00 / 1M audio tokens | $12.00 / 1M audio tokens |
| Context window | 8k | No data |
| Max output | 16k | No data |
| Released | September 2026 | Mar 20, 2025 |
| Knowledge cutoff | No data | No data |
| Licence | Proprietary | Proprietary |
| Capabilities | No data | No data |
| API model id | gemini-3.8-flash-lite-tts | gpt-4o-mini-tts |
Frequently asked questions
Should I choose Gemini 3.8 Flash-Lite TTS or GPT-4o Mini TTS?
Choose Gemini 3.8 Flash-Lite TTS for the lowest price and the latest release; on the other points the two are level or the data is missing.
Which is cheaper, Gemini 3.8 Flash-Lite TTS or GPT-4o Mini TTS?
Gemini 3.8 Flash-Lite TTS is 50% cheaper than GPT-4o Mini TTS at the headline price ($6.00 / 1M audio tokens vs $12.00 / 1M audio tokens).
What is the difference between Gemini 3.8 Flash-Lite TTS and GPT-4o Mini TTS?
Gemini 3.8 Flash-Lite TTS is made by Google and GPT-4o Mini TTS by OpenAI. Gemini 3.8 Flash-Lite TTS is 50% cheaper than GPT-4o Mini TTS at the headline price ($6.00 / 1M audio tokens vs $12.00 / 1M audio tokens). Gemini 3.8 Flash-Lite TTS is the newer model (September 2026, against Mar 20, 2025).
Which is newer, Gemini 3.8 Flash-Lite TTS or GPT-4o Mini TTS?
Gemini 3.8 Flash-Lite TTS was released on September 2026 and GPT-4o Mini TTS on Mar 20, 2025.