token.app โ€บ Compare โ€บ Claude Sonnet 5 vs Gemini 3.5 Flash Lite

Claude Sonnet 5 vs Gemini 3.5 Flash Lite

Claude Sonnet 5 leads on 4 of 4 shared benchmarks. Gemini 3.5 Flash Lite is 4.7ร— cheaper per token on a blended 3:1 basis. Gemini 3.5 Flash Lite accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Claude Sonnet 5Gemini 3.5 Flash Lite
ProviderAnthropicGoogle
Input $/1M$2.00$0.300
Output $/1M$10.00$2.50
Blended $/1M$4.00$0.850
Context window1M1.0M
Max output128K66K
ReleasedJun 2026Jul 2026
LicenceProprietaryProprietary
GPQA Diamond 90.5% 83.3%
FrontierMath T1โ€“3 65.6% 26.0%
FrontierMath T4 29.3% 0.0%
OTIS Mock AIME 94.7% 71.1%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Claude Sonnet 5 ifโ€ฆ
  • Higher GPQA Diamond (90.5% vs 83.3%)
  • Higher FrontierMath T1โ€“3 (65.6% vs 26.0%)
  • Higher FrontierMath T4 (29.3% vs 0.0%)
  • Higher OTIS Mock AIME (94.7% vs 71.1%)
Choose Gemini 3.5 Flash Lite ifโ€ฆ
  • Costs less per token โ€” $0.850 vs $4.00 blended
  • Larger context window (1.0M)
  • Newer model (released Jul 2026)
FAQ
Which is better, Claude Sonnet 5 or Gemini 3.5 Flash Lite?
Across the 4 benchmarks both models have independently-run scores for, Claude Sonnet 5 leads on 4 and Gemini 3.5 Flash Lite leads on 0. Benchmarks are one input โ€” price and context window are on this page too.
Is Claude Sonnet 5 cheaper than Gemini 3.5 Flash Lite?
Gemini 3.5 Flash Lite is cheaper: $0.850 versus $4.00 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.300. Output alone: $10.00 vs $2.50.
What context windows do Claude Sonnet 5 and Gemini 3.5 Flash Lite have?
Claude Sonnet 5: 1,000,000 tokens. Gemini 3.5 Flash Lite: 1,048,576 tokens.
Who makes Claude Sonnet 5 and Gemini 3.5 Flash Lite?
Claude Sonnet 5 is made by Anthropic. Gemini 3.5 Flash Lite is made by Google.
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