token.app › Compare › Gemini 3.1 Flash Lite Preview vs Claude Opus 5

Gemini 3.1 Flash Lite Preview vs Claude Opus 5

Claude Opus 5 leads on 3 of 3 shared benchmarks. Gemini 3.1 Flash Lite Preview is 18× cheaper per token on a blended 3:1 basis. Gemini 3.1 Flash Lite Preview accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Gemini 3.1 Flash Lite PreviewClaude Opus 5
ProviderGoogleAnthropic
Input $/1M$0.250$5.00
Output $/1M$1.50$25.00
Blended $/1M$0.563$10.00
Context window1.0M1M
Max output66K128K
ReleasedMar 2026Jul 2026
LicenceProprietaryProprietary
GPQA Diamond 81.8% 93.9%
FrontierMath T1–3 27.7% 85.6%
OTIS Mock AIME 80.0% 98.9%
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 Gemini 3.1 Flash Lite Preview if…
  • Costs less per token — $0.563 vs $10.00 blended
  • Larger context window (1.0M)
Choose Claude Opus 5 if…
  • Higher GPQA Diamond (93.9% vs 81.8%)
  • Higher FrontierMath T1–3 (85.6% vs 27.7%)
  • Higher OTIS Mock AIME (98.9% vs 80.0%)
  • Newer model (released Jul 2026)
FAQ
Which is better, Gemini 3.1 Flash Lite Preview or Claude Opus 5?
Across the 3 benchmarks both models have independently-run scores for, Gemini 3.1 Flash Lite Preview leads on 0 and Claude Opus 5 leads on 3. Benchmarks are one input — price and context window are on this page too.
Is Gemini 3.1 Flash Lite Preview cheaper than Claude Opus 5?
Gemini 3.1 Flash Lite Preview is cheaper: $0.563 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.250 vs $5.00. Output alone: $1.50 vs $25.00.
What context windows do Gemini 3.1 Flash Lite Preview and Claude Opus 5 have?
Gemini 3.1 Flash Lite Preview: 1,048,576 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Gemini 3.1 Flash Lite Preview and Claude Opus 5?
Gemini 3.1 Flash Lite Preview is made by Google. Claude Opus 5 is made by Anthropic.
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