modelgrep

Anthropic: Claude Sonnet 5 vs Google: Gemini 3.5 Flash

anthropic logoAnthropic: Claude Sonnet 5anthropic/claude-sonnet-5VSgoogle logoGoogle: Gemini 3.5 Flashgoogle/gemini-3.5-flash

Google: Gemini 3.5 Flash wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.

MetricAnthropic: Claude Sonnet 5Google: Gemini 3.5 Flash
Intelligence Index53.4✓50.2
Coding Index71.5✓70.1
GPQA Diamond91%92%✓
Design Arena Elo1328✓1313
Speed (tokens/sec)69134✓
Latency2.9s1.4s✓
Input price /M$2.00$1.50✓
Output price /M$10.00$9.00✓
Context window1M1.0M✓
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVisionAudio
Anthropic: Claude Sonnet 5 details →Google: Gemini 3.5 Flash details →