modelgrep

Anthropic: Claude Opus 4.6 vs Google: Gemini 3.5 Flash

Google: Gemini 3.5 Flash wins on more metrics (7 of 9), but the right pick depends on what you optimize for — see the breakdown below.

MetricAnthropic: Claude Opus 4.6Google: Gemini 3.5 Flash
Intelligence Index52.954.8
Coding Index48.143.9
GPQA Diamond90%92%
Design Arena Elo13571329
Speed (tokens/sec)44165
Latency2.0s1.8s
Input price /M$5.00$1.50
Output price /M$25.00$9.00
Context window1M1.0M
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVisionAudio