Anthropic Claude Sonnet 5 VS Google Gemini 3 Flash
Decision Recommendation
⚖️ Editorial Verdict: In our analysis, Gemini 3 Flash is the premium intelligence choice, scoring 28.6% higher on coding benchmarks. It also maintains strong cost efficiency. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Claude Sonnet 5 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of Gemini 3 Flash fully justifies the cost.
Was this recommendation helpful?
Model Specs
Claude Sonnet 5
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+28.6%)
63.2%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)
N/Agraduate-level science QA
Cost & Performance
Cost (per 1M tokens)
$4.00Input: $2.00 | Output: $10.00Context WindowLarger
1.05M tokensModel Specs
Gemini 3 Flash
Benchmarks & Scores
Coding (swe-bench-pro)
34.6%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)
90.4%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)3.6x cheaper
$1.13Input: $0.50 | Output: $3.00Context Window
1M tokensFrequently Asked Questions about Claude Sonnet 5 vs Gemini 3 Flash comparison
Gemini 3 Flash is cheaper than Claude Sonnet 5. Gemini 3 Flash has a blended cost of $1.13/1M tokens, which is about 3.6x cheaper than Claude Sonnet 5 at $4.00/1M tokens.
Claude Sonnet 5 is better for coding tasks on this benchmark. It scores 63.2% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to Gemini 3 Flash which scores 34.6%.
Related Matchups
Explore similar comparisons for Claude Sonnet 5 and Gemini 3 Flash.