Gemini 3.1 Flash Image vs Gemini 3.1 Flash-Lite Image

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

Gemini 3.1 Flash Imagegemini-3.1-flash-image
Google
Input (prompt)
1Credits / M
≈ $0.152
Output (completion)
6Credits / M
≈ $0.912
128K context · 32K output70% off
Gemini 3.1 Flash Image details
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
Lower input price
Gemini 3.1 Flash-Lite Image
50% cheaper
More exclusive capabilities
Gemini 3.1 Flash Image
Reasoning, Video, File Input

Specs side by side

Item
Gemini 3.1 Flash Imagegemini-3.1-flash-image
Gemini 3.1 Flash-Lite Imagegemini-3.1-flash-lite-image
Input (prompt) · Credits / M1≈ $0.1520.5≈ $0.076
Output (completion) · Credits / M6≈ $0.9123≈ $0.456
Cache read · Credits / M——
Context window128K—
Max output32K—
7-day uptime——
Latest probe latency——
Measured throughput125.7 t/s304.9 t/s
ProtocolsGemini generateContentGemini generateContent
Sample monthly cost (10M in + 2M out)22≈ $3.3411≈ $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 ImageGemini 3.1 Flash-Lite Image
Vision
Streaming
Reasoning
Video
File Input
Web Search
Function Calling
Prompt Caching
Response Schema
Audio
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

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

At the WandAPI default channel price, Gemini 3.1 Flash Image input costs 1 Credits / M and Gemini 3.1 Flash-Lite Image input costs 0.5 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 Image and Gemini 3.1 Flash-Lite Image 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 Image and Gemini 3.1 Flash-Lite Image differ?

Only Gemini 3.1 Flash Image: Reasoning, Video, File Input, Web Search. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

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

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

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