GPT-4o mini vs Gemini 2.5 Flash: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
OpenAI
GPT-4o mini
Pricing (per 1M tokens)
Input$0.1500
Output$0.6000
Cached Input$0.0750
Batch Input$0.0750
Batch Output$0.3000
Context & Output
Context Window128K tokens
Max Output16.4K tokens
Capabilities
Categorybudget
Multimodaltext + image
Fine-tuningYes
StreamingYes
Gemini 2.5 Flash
Pricing (per 1M tokens)
Input$0.3000
Output$2.50
Cached Input$0.0300
Batch Input$0.1500
Batch Output$1.25
Context & Output
Context Window1M tokens
Max Output65.5K tokens
Capabilities
Categorymid
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
GPT-4o mini
50.0% cheaper
Cheaper Output Price
GPT-4o mini
76.0% cheaper
Larger Context Window
Gemini 2.5 Flash
+872K tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
GPT-4o mini
$0.7500
$0.1500/1M input + $0.6000/1M output
Gemini 2.5 Flash
$2.80
$0.3000/1M input + $2.50/1M output
GPT-4o mini is 73.2% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, GPT-4o mini or Gemini 2.5 Flash?
For input tokens, GPT-4o mini is cheaper at $0.1500 per 1M tokens. For output tokens, GPT-4o mini is cheaper at $0.6000 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of GPT-4o mini vs Gemini 2.5 Flash?
GPT-4o mini has a context window of 128K tokens, while Gemini 2.5 Flash has 1M tokens. Gemini 2.5 Flash supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
How do GPT-4o mini and Gemini 2.5 Flash compare for batch processing?
Both models support batch processing with discounted rates. GPT-4o mini offers a better batch rate at $0.0750 per 1M input tokens. Batch processing is ideal for non-time-sensitive workloads where you can wait for processing.
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