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 SoleAPI default channel price. Input costs 0.8 Credits / M for Gemini 3.1 Flash Image and 0.4 Credits / M for Gemini 3.1 Flash Lite Image, so Gemini 3.1 Flash Lite Image is 50% cheaper. Context windows are 128K and 64K.

Gemini 3.1 Flash Imagegemini-3.1-flash-image
Google
Input (prompt)
0.8Credits / M
≈ $0.121
Output (completion)
4.8Credits / M
≈ $0.727
128K context · 32K output76% off
Gemini 3.1 Flash Image details
Gemini 3.1 Flash Lite Imagegemini-3.1-flash-lite-image
Google
Input (prompt)
0.4Credits / M
≈ $0.0606
Output (completion)
2.4Credits / M
≈ $0.363
64K context · 4K output76% off
Gemini 3.1 Flash Lite Image details
Lower input price
Gemini 3.1 Flash Lite Image
50% cheaper
Larger context
Gemini 3.1 Flash Image
128K · 64K
More exclusive capabilities
Gemini 3.1 Flash Image
File Input, Web Search

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 / M0.8≈ $0.1210.4≈ $0.0606
Output (completion) · Credits / M4.8≈ $0.7272.4≈ $0.363
Cache read · Credits / M——
Context window128K64K
Max output32K4K
7-day uptime——
Latest probe latency——
Measured throughput78.9 t/s—
ProtocolsAnthropic Messages / Gemini generateContentAnthropic Messages / Gemini generateContent
Sample monthly cost (10M in + 2M out)17.6≈ $2.678.8≈ $1.33

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

Capabilities

CapabilityGemini 3.1 Flash ImageGemini 3.1 Flash Lite Image
Vision
Reasoning
Video
Streaming
Function Calling
File Input
Web Search
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 SoleAPI default channel price, Gemini 3.1 Flash Image input costs 0.8 Credits / M and Gemini 3.1 Flash Lite Image input costs 0.4 Credits / M, so Gemini 3.1 Flash Lite Image is 50% cheaper. Output and cache prices are in the specs table above.

Which has the larger context window, Gemini 3.1 Flash Image or Gemini 3.1 Flash Lite Image?

Gemini 3.1 Flash Image offers 128K tokens, Gemini 3.1 Flash Lite Image offers 64K tokens.

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

Yes. SoleAPI 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: File Input, Web Search. Only Gemini 3.1 Flash Lite Image: Function Calling. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

Gemini 3.1 Flash Image vs Gemini 2.5 FlashGemini 3.1 Flash Image vs Gemini 2.5 Flash ImageGemini 3.1 Flash Image vs Gemini 2.5 ProGemini 3.1 Flash Image vs Gemini 3 Flash PreviewGemini 3.1 Flash Image vs Gemini 3 Pro ImageGemini 3.1 Flash Image vs Gemini 3.1 Pro PreviewGemini 3.1 Flash Image vs Gemini 3.7 FlashGemini 3.1 Flash Lite Image vs Gemini 2.5 FlashGemini 3.1 Flash Lite Image vs Gemini 2.5 Flash ImageGemini 3.1 Flash Lite Image vs Gemini 2.5 ProGemini 3.1 Flash Lite Image vs Gemini 3 Flash PreviewGemini 3.1 Flash Lite Image vs Gemini 3 Pro Image

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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