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Model Comparison

step-3.5-flashvsgemini-3-flash-preview

Model Comparison

Compare performance, benchmarks, and characteristics

step-3.5-flash

openrouter

Context256K tokens

Input Price$0.1 / 1M tokens

Output Price$0.3 / 1M tokens

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gemini-3-flash-preview

gemini

Context1M tokens

Input Price$0.5 / 1M tokens

Output Price$3 / 1M tokens

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Model Comparison

Metric	step-3.5-flash openrouter	gemini-3-flash-preview gemini
Pricing
Input Price	$0.1 / 1M tokens	$0.5 / 1M tokens
Output Price	$0.3 / 1M tokens	$3 / 1M tokens
Capabilities
Context Window	256K tokens	1M tokens
Capabilities	tools, reasoning	tools, reasoning
Input type	text	text, image, audio, video
Category Scores
Overall Average	0.0	58.1
Maths	N/A	55.7
Finance	N/A	45.4
Science	N/A	81.1
Writing	N/A	62.8
Academia	N/A	62.8
Marketing	N/A	61.0
Programming	N/A	37.8
Benchmark Tests
HLE	_	14.1
GPQA	_	90.4
SciCode	_	49.9
MMLU-Pro	_	88.2
LiveCodeBench	_	79.7
AA Math Index	_	55.7
AA Coding Index	_	37.8
AAII	_	35.1

step-3.5-flash Advantages

• Lower input token cost ($0.1 / 1M tokens vs $0.5 / 1M tokens)

gemini-3-flash-preview Advantages

• Higher benchmark scores (58.1 vs 0.0)
• Larger context window (1M tokens vs 256K tokens)

Compare openrouter/step-3.5-flash vs gemini/gemini-3-flash-preview