Gemini 3.1 Flash-Lite Image vs Gemini 3.8 Flash TTS

Gemini 3.1 Flash-Lite Image (Google) versus Gemini 3.8 Flash TTS (Google): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price. Input costs 0.5 Credits / M for Gemini 3.1 Flash-Lite Image and 1 Credits / M for Gemini 3.8 Flash TTS, so Gemini 3.1 Flash-Lite Image is 50% cheaper.

Gemini 3.1 Flash-Lite Imagegemini-3.1-flash-lite-image
Google
Input (prompt)
0.5Credits / M
≈ $0.076
Output (completion)
3Credits / M
≈ $0.456
— context · — output70% off
Gemini 3.1 Flash-Lite Image details
Gemini 3.8 Flash TTSgemini-3.8-flash-tts
Google
Input (prompt)
1Credits / M
≈ $0.152
Output (completion)
—Credits / M
8K context · 16K output70% off
Gemini 3.8 Flash TTS details
Lower input price
Gemini 3.1 Flash-Lite Image
50% cheaper
More exclusive capabilities
Gemini 3.1 Flash-Lite Image
Vision

Specs side by side

Item
Gemini 3.1 Flash-Lite Imagegemini-3.1-flash-lite-image
Gemini 3.8 Flash TTSgemini-3.8-flash-tts
Input (prompt) · Credits / M0.5≈ $0.0761≈ $0.152
Output (completion) · Credits / M3≈ $0.456—
Cache read · Credits / M——
Context window—8K
Max output—16K
7-day uptime——
Latest probe latency——
Measured throughput304.9 t/s—
ProtocolsGemini generateContentGemini generateContent
Sample monthly cost (10M in + 2M out)11≈ $1.67—

Prices are the WandAPI default channel price in Credits (1 Credit = ¥1); green marks the better side. Uptime and latency come from WandAPI probes; a dash means the model is not probed yet.

Capabilities

CapabilityGemini 3.1 Flash-Lite ImageGemini 3.8 Flash TTS
Streaming
Vision
Audio
Function Calling
Reasoning
Prompt Caching
Response Schema
Video
File Input
Web Search
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, Gemini 3.1 Flash-Lite Image or Gemini 3.8 Flash TTS?

At the WandAPI default channel price, Gemini 3.1 Flash-Lite Image input costs 0.5 Credits / M and Gemini 3.8 Flash TTS input costs 1 Credits / M, so Gemini 3.1 Flash-Lite Image is 50% cheaper. Output and cache prices are in the specs table above.

Can I switch between Gemini 3.1 Flash-Lite Image and Gemini 3.8 Flash TTS at any time?

Yes. WandAPI calls every model with the same API key; switching is just changing the model field in the request, and billing is split per model in one console.

How do the capabilities of Gemini 3.1 Flash-Lite Image and Gemini 3.8 Flash TTS differ?

Only Gemini 3.1 Flash-Lite Image: Vision. Only Gemini 3.8 Flash TTS: Audio. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

One API key for both Gemini 3.1 Flash-Lite Image and Gemini 3.8 Flash TTS

Free credits on sign-up, pay as you go, no monthly fee.

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