Gemini 2.5 Flash Image vs Gemini 3.8 Flash TTS
Gemini 2.5 Flash Image (Google) versus Gemini 3.8 Flash TTS (Google): API pricing, context window, capabilities and uptime, from the same data as each model page, at the WandAPI default channel price. Input costs 0.6 Credits / M for Gemini 2.5 Flash Image and 1 Credits / M for Gemini 3.8 Flash TTS, so Gemini 2.5 Flash Image is 40% cheaper. Context windows are 64K and 8K.
Gemini 2.5 Flash Imagegemini-2.5-flash-imageGemini 3.8 Flash TTSgemini-3.8-flash-ttsSpecs side by side
| Item | Gemini 2.5 Flash Imagegemini-2.5-flash-image | Gemini 3.8 Flash TTSgemini-3.8-flash-tts |
|---|---|---|
| Input (prompt) · Credits / M | 0.6≈ $0.0912 | 1≈ $0.152 |
| Output (completion) · Credits / M | 5≈ $0.76 | — |
| Cache read · Credits / M | — | — |
| Context window | 64K | 8K |
| Max output | 32K | 16K |
| 7-day uptime | — | — |
| Latest probe latency | — | — |
| Measured throughput | 198.3 t/s | — |
| Protocols | Gemini generateContent | Gemini generateContent |
| Sample monthly cost (10M in + 2M out) | 16≈ $2.43 | — |
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
Which is cheaper, Gemini 2.5 Flash Image or Gemini 3.8 Flash TTS?
At the WandAPI default channel price, Gemini 2.5 Flash Image input costs 0.6 Credits / M and Gemini 3.8 Flash TTS input costs 1 Credits / M, so Gemini 2.5 Flash Image is 40% cheaper. Output and cache prices are in the specs table above.
Which has the larger context window, Gemini 2.5 Flash Image or Gemini 3.8 Flash TTS?
Gemini 2.5 Flash Image offers 64K tokens, Gemini 3.8 Flash TTS offers 8K tokens.
Can I switch between Gemini 2.5 Flash Image and Gemini 3.8 Flash TTS 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 2.5 Flash Image and Gemini 3.8 Flash TTS differ?
Only Gemini 2.5 Flash Image: Vision, Prompt Caching, Response Schema. Only Gemini 3.8 Flash TTS: 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 Image and Gemini 3.8 Flash TTS
Free credits on sign-up, pay as you go, no monthly fee.