Gemini 2.5 Flash vs Gemini 3 Flash Preview
Side-by-side comparison of pricing and capabilities
Gemini 2.5 Flash
Gemini 3 Flash Preview
Input Price Comparison
| Attribute | Gemini 2.5 Flash | Gemini 3 Flash Preview |
|---|---|---|
| Provider | ||
| Input Price | $0.3 /1M tokens | $0.5 /1M tokens |
| Output Price | $2.5 /1M tokens | $3 /1M tokens |
| Cached Input | $0.030 /1M tokens | $0.050 /1M tokens |
| Context Window | 1.0M | 1.0M |
| Type | chat | chat |
| Status | current | preview |
Capability Comparison
| Capability | Gemini 2.5 Flash | Gemini 3 Flash Preview |
|---|---|---|
| coding | ||
| vision | ||
| multilingual |
Which should you choose?
Budget-conscious: Gemini 2.5 Flash is 40% cheaper on input tokens ($0.3 vs $0.5 per 1M tokens).
Context-heavy tasks: Both models offer the same context window size.
Capability fit: Gemini 2.5 Flash supports 3 capabilities (coding, vision, multilingual), while Gemini 3 Flash Preview supports 3 (coding, vision, multilingual).
Frequently Asked Questions
Which is cheaper: Gemini 2.5 Flash or Gemini 3 Flash Preview?
Gemini 2.5 Flash costs $0.3/1M input vs Gemini 3 Flash Preview at $0.5/1M input. Gemini 2.5 Flash is 40% cheaper on input tokens.
How do output prices compare between Gemini 2.5 Flash and Gemini 3 Flash Preview?
Gemini 2.5 Flash output: $2.5/1M, Gemini 3 Flash Preview output: $3/1M. Gemini 2.5 Flash is more economical for generation-heavy workloads.
What is Gemini 2.5 Flash best used for?
Gemini 2.5 Flash is best for budget-conscious applications, high-volume chatbots, and tasks where cost efficiency is the primary concern.
What is Gemini 3 Flash Preview best used for?
Gemini 3 Flash Preview is suited for complex reasoning, analysis, and tasks that benefit from its coding and vision capabilities.