LV
LLMversus

Claude 3.5 Sonnet vs Gemini 1.5 Flash: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Claude 3.5 Sonnet and Gemini 1.5 Flash across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude 3.5 SonnetGemini 1.5 Flash
ProviderAnthropicGoogle
Input Price / 1M tokens$3.00$0.075
Output Price / 1M tokens$15.00$0.300
Context Window
200K
1M
Max Output Tokens
8,192
8,192
Arena ELO
1,270
1,190
Coding ELO1,300N/A
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Claude 3.5 Sonnet

Claude 3.5 Sonnet excels at coding, general-purpose, multimodal tasks.

Strengths:

  • Best coding
  • Large context
  • Strong reasoning

Best for:

codinggeneral-purposemultimodal
When to Use Gemini 1.5 Flash

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

Strengths:

  • Super cheap
  • 1M context window
  • Fast multimodal processing

Best for:

multimodalfast-inferencecost-effective

Related Comparisons

Claude 3.5 Sonnet vs Claude Opus 4Claude Opus 4 vs Gemini 1.5 FlashClaude 3.5 Sonnet vs Gemini 2 5 ProGemini 1.5 Flash vs Gemini 2 5 ProClaude 3.5 Sonnet vs O3Gemini 1.5 Flash vs O3Claude 3.5 Sonnet vs Deepseek R1Deepseek R1 vs Gemini 1.5 FlashClaude 3.5 Sonnet vs O1Gemini 1.5 Flash vs O1Claude 3.5 Sonnet vs Qwen 3 235bGemini 1.5 Flash vs Qwen 3 235bClaude 3.5 Sonnet vs Gemini Exp 1206Gemini 1.5 Flash vs Gemini Exp 1206Claude 3.5 Sonnet vs Gpt 4 5Gemini 1.5 Flash vs Gpt 4 5Claude 3.5 Sonnet vs Groq Deepseek R1Gemini 1.5 Flash vs Groq Deepseek R1Claude 3.5 Sonnet vs Llama 4 MaverickGemini 1.5 Flash vs Llama 4 Maverick