ClaudevsGemini

Claude Sonnet 5 vs Gemini 3.5 Flash-Lite

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

Claude Sonnet 5

Mid-tier

Gemini 3.5 Flash-Lite

Fast / Budget
Input $/MTok
$2.00
$0.30
Output $/MTok
$10.00
$2.50
Cache discount
90% off
90% off
Context
1M
1.0M

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
68
vs
58
Code Review
96
vs
52
Summarization
64
vs
67
Q&A
89
vs
78
Extraction
70
vs
69
Reasoning
89
vs
60
Classification
86
vs
85
Creative Writing
62
vs
67
Claude Sonnet 5
Gemini 3.5 Flash-Lite

Guidance

When to use Claude Sonnet 5 vs Gemini 3.5 Flash-Lite

Choose Claude Sonnet 5 when...

  • -You need strong code review (confidence 96 vs 52)
  • -You need strong q&a (confidence 89 vs 78)
  • -You need strong reasoning (confidence 89 vs 60)
  • -You need strong classification (confidence 86 vs 85)

Choose Gemini 3.5 Flash-Lite when...

  • -You need strong summarization (confidence 67 vs 64)
  • -You need strong creative writing (confidence 67 vs 62)
  • -Cost matters: 85% cheaper on input tokens
  • -You need a larger context window (1.0M vs 1M)

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Sonnet 5
Gemini 3.5 Flash-Lite
100K tokens
$0.44
$0.10Cheaper
1M tokens
$4.40
$0.96Cheaper
10M tokens
$44.00
$9.60Cheaper

FAQ

When should I use Claude Sonnet 5 instead of Gemini 3.5 Flash-Lite?

Claude Sonnet 5 outperforms Gemini 3.5 Flash-Lite for Code Generation, Code Review, Q&A. It costs $2.00/$10.00 per million tokens (input/output).

Is Gemini 3.5 Flash-Lite cheaper than Claude Sonnet 5?

Yes. Gemini 3.5 Flash-Lite input costs $0.30/MTok vs $2.00/MTok for Claude Sonnet 5, saving 85% on input.

What are the context window sizes for Claude Sonnet 5 and Gemini 3.5 Flash-Lite?

Claude Sonnet 5 has a 1M token context window. Gemini 3.5 Flash-Lite has a 1.0M token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.