Gemini 2.5 Pro vs Gemini 3 Pro Image

Gemini 2.5 Pro (Google) versus Gemini 3 Pro 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 2 Credits / M for Gemini 2.5 Pro and 3.2 Credits / M for Gemini 3 Pro Image, so Gemini 2.5 Pro is 38% cheaper. Context windows are 1M and 64K.

Gemini 2.5 Progemini-2.5-pro
Google
Input (prompt)
2Credits / M
≈ $0.302
Output (completion)
16Credits / M
≈ $2.41
1M context · 64K output76% off
Gemini 2.5 Pro details
Gemini 3 Pro Imagegemini-3-pro-image
Google
Input (prompt)
3.2Credits / M
≈ $0.483
Output (completion)
19.2Credits / M
≈ $2.90
64K context · 32K output76% off
Gemini 3 Pro Image details
Lower input price
Gemini 2.5 Pro
38% cheaper
Larger context
Gemini 2.5 Pro
1M · 64K
More exclusive capabilities
Gemini 2.5 Pro
Function Calling, Prompt Caching, Response Schema

Specs side by side

Item
Gemini 2.5 Progemini-2.5-pro
Gemini 3 Pro Imagegemini-3-pro-image
Input (prompt) · Credits / M2≈ $0.3023.2≈ $0.483
Output (completion) · Credits / M16≈ $2.4119.2≈ $2.90
Cache read · Credits / M0.2—
Context window1M64K
Max output64K32K
7-day uptime——
Latest probe latency——
Measured throughput76.9 t/s41.7 t/s
ProtocolsAnthropic Messages / Gemini generateContentAnthropic Messages / Gemini generateContent
Sample monthly cost (10M in + 2M out)52≈ $7.8570.4≈ $10.63

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 2.5 ProGemini 3 Pro Image
Vision
Reasoning
Streaming
Web Search
Function Calling
Prompt Caching
Response Schema
Audio
Video
File Input
Realtime
Session
Media
Multipart Form
Binary Response

FAQ

Which is cheaper, Gemini 2.5 Pro or Gemini 3 Pro Image?

At the SoleAPI default channel price, Gemini 2.5 Pro input costs 2 Credits / M and Gemini 3 Pro Image input costs 3.2 Credits / M, so Gemini 2.5 Pro is 38% cheaper. Output and cache prices are in the specs table above.

Which has the larger context window, Gemini 2.5 Pro or Gemini 3 Pro Image?

Gemini 2.5 Pro offers 1M tokens, Gemini 3 Pro Image offers 64K tokens.

Can I switch between Gemini 2.5 Pro and Gemini 3 Pro 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 2.5 Pro and Gemini 3 Pro Image differ?

Only Gemini 2.5 Pro: Function Calling, Prompt Caching, Response Schema, Audio, Video, File Input. Every other capability is either supported by both or by neither; see the capability table above.

More comparisons

One API key for both Gemini 2.5 Pro and Gemini 3 Pro Image

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