Gemini 3 Flash vs o3 mini: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
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
OpenAI
o3 mini
Pricing (per 1M tokens)
Input$1.10
Output$4.40
Cached Input$0.5500
Batch Input$0.5500
Batch Output$2.20
Context & Output
Context Window200K tokens
Max Output100K tokens
Capabilities
Categorymid
Multimodaltext
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Gemini 3 Flash
54.5% cheaper
Cheaper Output Price
Gemini 3 Flash
31.8% cheaper
Larger Context Window
Gemini 3 Flash
+800K 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
o3 mini
$5.50
$1.10/1M input + $4.40/1M output
Gemini 3 Flash is 36.4% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Gemini 3 Flash or o3 mini?
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 o3 mini?
Gemini 3 Flash has a context window of 1M tokens, while o3 mini has 200K 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 o3 mini 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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