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OpenAI: GPT-5.5 vs Google: Gemini 3.5 Flash

OpenAI

OpenAI: GPT-5.5

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GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, ...

Gemini

Google: Gemini 3.5 Flash

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Gemini 3.5 Flash is Google's efficient multimodal model delivering near-Pro leve...

Basic Info
Mode
Chat
Chat
Released
2026-04-24
2026-05-20
Context Window
1M
1M
Max Output
128K
66K
Pricing
Input Price
$5/M
$1.5/M
Output Price
$30/M
$9/M
Audio Input
-
$3/M
Cache Read
$0.5/M
$0.15/M
Cache Write
-
$0.83/M
Cached Audio
-
$0.3/M
Web Search
$0.01/R
$0.014/R
Capabilities
Vision
Function Calling
Reasoning
Prompt Caching
Web Search
Web Fetch
Audio Input
Video Input
PDF Input
Protocols & Providers
Protocols
OpenAIopenaiAnthropicanthropic
OpenAIopenaiGeminigemini
Provider Count
1
1
Providers
Azure
Vertex