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Gemini Pro vs Gemini Flash

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This page puts Google: Gemini Pro and Google: Gemini Flash next to each other so you can check specs and run both in one place on Rewind.ai.

Specs compared

Gemini ProGemini Flash
ProviderGoogleGoogle
Categorychatchat
Context window1048576 tokens1048576 tokens
Cost per messageRewind.ai tokens (estimate)~4,078 tokens~1,012 tokens
Free to use without purchase?No, requires purchased tokens
Token purchase required; $5 gets you 200K tokens
No, requires purchased tokens
Token purchase required; $5 gets you 200K tokens
Model page on Rewind.aiView Gemini ProView Gemini Flash
Gemini Pro

Gemini Flash

Which one fits your work?

Spec tables narrow the field. For any real task, the most reliable test is: send the same prompt to both and compare the outputs yourself.

The Rewind.ai chat lets you switch models mid-conversation so you can run that test without switching tabs. The AI Arena also collects community votes on blind responses if you want a broader data point.

Try Gemini Pro or Gemini Flash

Both models are premium external models. Each request draws from purchased tokens ($5 = 200K).

Start chatting

FAQ

Gemini Pro vs Gemini Flash is a side-by-side comparison of two AI models. Gemini Pro is built by Google, and Gemini Flash by Google. Try each one at /chat/ on Rewind.ai and judge the answers yourself.

Not free, Gemini Pro and Gemini Flash are premium external models routed through third-party providers, so they require purchased tokens (starting at $5 for 200,000 tokens). Free-tier models are also available.

Depends on your workload. Try each one at /chat/ with your own prompts, benchmarks can only tell you so much. The model pages at /apps/google-gemini-2-5-pro/ and /apps/google-gemini-2-5-flash/ list specs and pricing.

Yes, Gemini Pro and Gemini Flash are premium external models that need purchased tokens. You can create a free Rewind.ai account and buy tokens starting at $5 for 200K. Free-tier models work without an account.

Yes. The chat picker at /chat/ lets you switch between Gemini Pro, Gemini Flash, and any of 400+ other models at any time during a conversation.

Rewind.ai bills in tokens, not per-message. A typical chat turn on Gemini Pro uses about 4,078 Rewind.ai tokens per message; on Gemini Flash, about 1,012 Rewind.ai tokens per message. $5 buys 200,000 tokens and they never expire. Free-tier models are free up to your daily allowance.

Gemini Pro supports 1,048,576 tokens of context; Gemini Flash supports 1,048,576 tokens. Context window is how much text the model can read in a single conversation before older messages start being trimmed.

Models on Rewind.ai are routed through OpenRouter to the underlying provider (Google, Google, or whichever you select). We don't store prompts or use them for training.

Yes. Both Gemini Pro and Gemini Flash are accessible through the Rewind.ai API, one Bearer token, OpenAI-compatible chat/completions. Paid models require purchased tokens (no API access from the daily free pool).

Check the individual model pages, /apps/google-gemini-2-5-pro/ and /apps/google-gemini-2-5-flash/, for each model's specs. For your own workload, nothing beats sending the same prompts through /chat/.

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