LLMversus

Gemini 1.5 Flash 8B vs Grok 3-mini: Pricing, Benchmarks & Verdict (2026)

Pricing verified Sep 14, 2026By LLMversusUpdated September 17, 2026View methodology

⚡ Quick Answer

Compare Gemini 1.5 Flash 8B and Grok 3-mini across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 1.5 Flash 8BGrok 3-mini
ProviderGooglexAI
Input Price / 1M tokens$0.037$0.300
Output Price / 1M tokens$0.150$0.500
Context Window
1M
128K
Max Output Tokens
8,192
4,096
Arena ELO
1,150
1,175
Coding ELON/A1,190
TTFT (ms)
150
130
Tokens/sec
100
140
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 Grok 3-mini

Grok 3-mini excels at cost-effective, general-purpose tasks.

Strengths:

  • Very cheap
  • Fast
  • Large context

Best for:

cost-effectivegeneral-purpose

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