LLMversus

Gemini 1.5 Flash 8B vs Gemini 2.5 Flash: Pricing, Benchmarks & Verdict (2026)

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

⚡ Quick Answer

Compare Gemini 1.5 Flash 8B and Gemini 2.5 Flash across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 1.5 Flash 8BGemini 2.5 Flash
ProviderGoogleGoogle
Input Price / 1M tokens$0.037$0.300
Output Price / 1M tokens$0.150$2.50
Context Window
1M
1M
Max Output Tokens
8,192
8,192
Arena ELO
1,150
1,270
Coding ELON/A1,260
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesYes
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 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

Related Comparisons

Claude Opus 4 vs Gemini 2.5 FlashClaude Opus 4 vs Gemini 1.5 Flash 8BClaude Sonnet 4 vs Gemini 2.5 FlashClaude Sonnet 4 vs Gemini 1.5 Flash 8BGemini 2.5 Flash vs Gemini 2 5 ProGemini 1.5 Flash 8B vs Gemini 2 5 ProClaude Haiku 4 vs Gemini 2.5 FlashClaude Haiku 4 vs Gemini 1.5 Flash 8BDeepseek R1 vs Gemini 2.5 FlashDeepseek R1 vs Gemini 1.5 Flash 8BGemini 2.5 Flash vs Qwen 2 5 MaxGemini 1.5 Flash 8B vs Qwen 2 5 MaxGemini 2 0 Flash vs Gemini 2.5 FlashGemini 1.5 Flash 8B vs Gemini 2 0 FlashDeepseek V3 vs Gemini 2.5 FlashDeepseek V3 vs Gemini 1.5 Flash 8BGemini 2.5 Flash vs O3 MiniGemini 1.5 Flash 8B vs O3 MiniGemini 2.5 Flash vs O3Gemini 1.5 Flash 8B vs O3