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Gemini 1.5 Flash 8B vs o3: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Gemini 1.5 Flash 8B and o3 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 1.5 Flash 8Bo3
ProviderGoogleOpenAI
Input Price / 1M tokens$0.037$10.00
Output Price / 1M tokens$0.150$40.00
Context Window
1M
200K
Max Output Tokens
8,192
100,000
Arena ELO
1,150
1,340
Coding ELON/A1,320
TTFT (ms)
150
600
Tokens/sec
100
15
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Gemini 1.5 Flash 8B

Gemini 1.5 Flash 8B excels at cost-effective, fast-inference, multimodal tasks.

Strengths:

  • Cheapest multimodal option
  • Fast inference
  • 1M context

Best for:

cost-effectivefast-inferencemultimodal
When to Use o3

o3 excels at reasoning, coding, math tasks.

Strengths:

  • Highest reasoning capability
  • Best math performance
  • Code execution

Best for:

reasoningcodingmath

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