GoogleGemini 3 FlashVSOpenAIGPT-5.5 Pro
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Gemini 3 Flash and GPT-5.5 Pro directly in their respective provider playgrounds to see which fits your specific prompt styles best.
Was this recommendation helpful?
Benchmarks & Scores
Coding (swe-bench-verified)
78%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)
90.4%graduate-level science QA
Cost & Context
Cost (per 1M tokens)60.0x cheaper
$1.13Input: $0.50 | Output: $3.00Context Window
1.05M tokensBenchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)Winner (+5.8%)
96.2%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$67.50Input: $30.00 | Output: $180.00Context WindowLarger
1.05M tokensFrequently Asked Questions about Gemini 3 Flash vs GPT-5.5 Pro
Gemini 3 Flash is cheaper than GPT-5.5 Pro. Gemini 3 Flash has a blended cost of $1.13/1M tokens, which is about 60.0x cheaper than GPT-5.5 Pro at $67.50/1M tokens.
Related Matchups
Explore similar comparisons for Gemini 3 Flash and GPT-5.5 Pro.
Do you want to find a model for your constraints?
Use our interactive model finder to filter LLMs by reasoning capability, coding performance, cost, and context length.