Gemini 3 Flash vs Gemini 2.5 Pro: Pricing Comparison

Compare pricing, capabilities, and costs for your LLM workloads.

Google

Gemini 3 Flash

Pricing (per 1M tokens)

Input$0.5000
Output$3.00
Cached Input$0.0500
Batch Input$0.2500
Batch Output$1.50

Context & Output

Context Window1M tokens
Max Output65.5K tokens

Capabilities

Categorymid
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes

Google

Gemini 2.5 Pro

Pricing (per 1M tokens)

Input$1.25
Output$10.00
Cached Input$0.1250
Batch Input$0.6250
Batch Output$5.00

Context & Output

Context Window1M tokens
Max Output65.5K tokens

Capabilities

Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes

Quick Verdict

Cheaper Input Price

Gemini 3 Flash

60.0% cheaper

Cheaper Output Price

Gemini 3 Flash

70.0% cheaper

Larger Context Window

Gemini 2.5 Pro

+0 tokens

Cost Comparison

Sample workload: 1,000,000 input tokens + 1,000,000 output tokens

Gemini 3 Flash

$3.50

$0.5000/1M input + $3.00/1M output

Gemini 2.5 Pro

$11.25

$1.25/1M input + $10.00/1M output

Gemini 3 Flash is 68.9% cheaper for this workload.

Frequently Asked Questions

Which is cheaper, Gemini 3 Flash or Gemini 2.5 Pro?
For input tokens, Gemini 3 Flash is cheaper at $0.5000 per 1M tokens. For output tokens, Gemini 3 Flash is cheaper at $3.00 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Gemini 3 Flash vs Gemini 2.5 Pro?
Gemini 3 Flash has a context window of 1M tokens, while Gemini 2.5 Pro has 1M tokens. Gemini 3 Flash supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
How do Gemini 3 Flash and Gemini 2.5 Pro compare for batch processing?
Both models support batch processing with discounted rates. Gemini 3 Flash offers a better batch rate at $0.2500 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.

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