All models

Gemini 2.5 Flash vs Gemini 2.5 Flash Preview (09-2025)

Side-by-side comparison of pricing and capabilities

Input Price Comparison

Gemini 2.5 Flash (Input)
$0.3
Gemini 2.5 Flash Preview (09-2025) (Input)
$0.3
Gemini 2.5 Flash (Output)
$2.5
Gemini 2.5 Flash Preview (09-2025) (Output)
$2.5
AttributeGemini 2.5 FlashGemini 2.5 Flash Preview (09-2025)
ProviderGoogleGoogle
Input Price$0.3 /1M tokens$0.3 /1M tokens
Output Price$2.5 /1M tokens$2.5 /1M tokens
Cached Input$0.030 /1M tokens$0.030 /1M tokens
Context Window1.0M1.0M
Typechatchat
Statuscurrentpreview

Capability Comparison

CapabilityGemini 2.5 FlashGemini 2.5 Flash Preview (09-2025)
coding
vision
multilingual

Which should you choose?

Budget-conscious: Gemini 2.5 Flash is 0% cheaper on input tokens ($0.3 vs $0.3 per 1M tokens). Both models have the same input price.

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 2.5 Flash Preview (09-2025) supports 3 (coding, vision, multilingual).

Frequently Asked Questions

Which is cheaper: Gemini 2.5 Flash or Gemini 2.5 Flash Preview (09-2025)?

Gemini 2.5 Flash costs $0.3/1M input vs Gemini 2.5 Flash Preview (09-2025) at $0.3/1M input. Gemini 2.5 Flash is 0% cheaper on input tokens.

How do output prices compare between Gemini 2.5 Flash and Gemini 2.5 Flash Preview (09-2025)?

Gemini 2.5 Flash output: $2.5/1M, Gemini 2.5 Flash Preview (09-2025) output: $2.5/1M. Gemini 2.5 Flash Preview (09-2025) 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 2.5 Flash Preview (09-2025) best used for?

Gemini 2.5 Flash Preview (09-2025) is suited for complex reasoning, analysis, and tasks that benefit from its coding and vision capabilities.

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