Gemini 2.5 Flash vs Gemini 3 Pro Image
Gemini 2.5 Flash (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 0.48 Credits / M for Gemini 2.5 Flash and 3.2 Credits / M for Gemini 3 Pro Image, so Gemini 2.5 Flash is 85% cheaper. Context windows are 1M and 64K.
Gemini 2.5 Flashgemini-2.5-flashGemini 3 Pro Imagegemini-3-pro-imageSpecs side by side
| Item | Gemini 2.5 Flashgemini-2.5-flash | Gemini 3 Pro Imagegemini-3-pro-image |
|---|---|---|
| Input (prompt) · Credits / M | 0.48≈ $0.0727 | 3.2≈ $0.485 |
| Output (completion) · Credits / M | 4≈ $0.606 | 19.2≈ $2.91 |
| Cache read · Credits / M | 0.048 | — |
| Context window | 1M | 64K |
| Max output | 64K | 32K |
| 7-day uptime | — | — |
| Latest probe latency | — | — |
| Measured throughput | 80.7 t/s | 22.6 t/s |
| Protocols | Anthropic Messages / Gemini generateContent | Anthropic Messages / Gemini generateContent |
| Sample monthly cost (10M in + 2M out) | 12.8≈ $1.94 | 70.4≈ $10.66 |
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
FAQ
Which is cheaper, Gemini 2.5 Flash or Gemini 3 Pro Image?
At the SoleAPI default channel price, Gemini 2.5 Flash input costs 0.48 Credits / M and Gemini 3 Pro Image input costs 3.2 Credits / M, so Gemini 2.5 Flash is 85% cheaper. Output and cache prices are in the specs table above.
Which has the larger context window, Gemini 2.5 Flash or Gemini 3 Pro Image?
Gemini 2.5 Flash offers 1M tokens, Gemini 3 Pro Image offers 64K tokens.
Can I switch between Gemini 2.5 Flash 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 Flash and Gemini 3 Pro Image differ?
Only Gemini 2.5 Flash: Function Calling, Prompt Caching, Response Schema, 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 2.5 Flash and Gemini 3 Pro Image
Free credits on sign-up, pay as you go, no monthly fee.