Gemini 3.6 Flash vs GPT-5.5 Pro: Pricing Comparison
Compare pricing, capabilities, and costs for your LLM workloads.
Gemini 3.6 Flash
Pricing (per 1M tokens)
Input$1.50
Output$7.50
Cached Input$0.1500
Batch Input$0.7500
Batch Output$3.75
Context & Output
Context Window1M tokens
Max Output65.5K tokens
Capabilities
Categorymid
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
OpenAI
GPT-5.5 Pro
Pricing (per 1M tokens)
Input$30.00
Output$180.00
Context & Output
Context Window1M tokens
Max Output128K tokens
Capabilities
Categoryflagship
Multimodaltext + image + audio
Fine-tuningNo
StreamingYes
Quick Verdict
Cheaper Input Price
Gemini 3.6 Flash
95.0% cheaper
Cheaper Output Price
Gemini 3.6 Flash
95.8% cheaper
Larger Context Window
GPT-5.5 Pro
+0 tokens
Cost Comparison
Sample workload: 1,000,000 input tokens + 1,000,000 output tokens
Gemini 3.6 Flash
$9.00
$1.50/1M input + $7.50/1M output
GPT-5.5 Pro
$210.00
$30.00/1M input + $180.00/1M output
Gemini 3.6 Flash is 95.7% cheaper for this workload.
Frequently Asked Questions
Which is cheaper, Gemini 3.6 Flash or GPT-5.5 Pro?
For input tokens, Gemini 3.6 Flash is cheaper at $1.50 per 1M tokens. For output tokens, Gemini 3.6 Flash is cheaper at $7.50 per 1M tokens. The overall cost depends on your workload's input/output ratio.
What is the context window size of Gemini 3.6 Flash vs GPT-5.5 Pro?
Gemini 3.6 Flash has a context window of 1M tokens, while GPT-5.5 Pro has 1M tokens. Gemini 3.6 Flash supports a larger context window of 1M tokens, which is beneficial for processing longer documents.
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