Gemini 2.5 Flash vs o3

Gemini 2.5 Flash costs 3.2x less per output token.

Which Is Cheaper?

At 1M tokens/mo

Gemini 2.5 Flash: $1

o3: $5

At 10M tokens/mo

Gemini 2.5 Flash: $14

o3: $50

At 100M tokens/mo

Gemini 2.5 Flash: $140

o3: $500

Which Performs Better?

TestGemini 2.5 Flasho3
Structured Output——
Strategic Analysis——
Constrained Rewriting——
Creative Problem Solving——
Tool Calling——
Faithfulness——
Classification——
Long Context——
Safety Calibration——
Persona Consistency——
Agentic Planning——
Multilingual——
Full Gemini 2.5 Flash profile →Full o3 profile →
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