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Gemini 2.5 Flash vs o1: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Gemini 2.5 Flash and o1 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 2.5 Flasho1
ProviderGoogleOpenAI
Input Price / 1M tokens$0.150$15.00
Output Price / 1M tokens$0.600$60.00
Context Window
1M
200K
Max Output Tokens
8,192
100,000
Arena ELO
1,270
1,310
Coding ELO
1,260
1,310
TTFT (ms)
150
500
Tokens/sec
100
20
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Gemini 2.5 Flash

Gemini 2.5 Flash excels at multimodal, general-purpose, coding tasks.

Strengths:

  • Latest Gemini model
  • Improved reasoning
  • Strong multimodal

Best for:

multimodalgeneral-purposecoding
When to Use o1

o1 excels at reasoning, coding, math tasks.

Strengths:

  • Best reasoning model
  • Code execution
  • Extended thinking

Best for:

reasoningcodingmath

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