Gemini 3 Pro Image vs Gemini 3.1 Pro (Preview)
Gemini 3 Pro Image (Google) versus Gemini 3.1 Pro (Preview) (Google): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price. Input costs 4 Credits / M for Gemini 3 Pro Image and 4 Credits / M for Gemini 3.1 Pro (Preview).
Gemini 3 Pro Imagegemini-3-pro-imageGemini 3.1 Pro (Preview)gemini-3.1-pro-previewSpecs side by side
| Item | Gemini 3 Pro Imagegemini-3-pro-image | Gemini 3.1 Pro (Preview)gemini-3.1-pro-preview |
|---|---|---|
| Input (prompt) · Credits / M | 4≈ $0.608 | 4≈ $0.608 |
| Output (completion) · Credits / M | 24≈ $3.65 | 24≈ $3.65 |
| Cache read · Credits / M | — | 0.4 |
| Context window | — | 1M |
| Max output | — | 64K |
| 7-day uptime | — | 93.1% |
| Latest probe latency | — | 3.4s |
| Measured throughput | 67.6 t/s | 5.1 t/s |
| Protocols | Gemini generateContent | Gemini generateContent / OpenAI Responses |
| Sample monthly cost (10M in + 2M out) | 88≈ $13.37 | 88≈ $13.37 |
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
FAQ
Can I switch between Gemini 3 Pro Image and Gemini 3.1 Pro (Preview) 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 Pro Image and Gemini 3.1 Pro (Preview) differ?
Only Gemini 3 Pro Image: Web Search. Only Gemini 3.1 Pro (Preview): Function Calling, Reasoning, Prompt Caching, Response Schema, Audio, Video. 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 Pro Image and Gemini 3.1 Pro (Preview)
Free credits on sign-up, pay as you go, no monthly fee.