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Claude Opus 5 vs Google: 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.

MetricClaude Opus 5Google: Gemini 3.5 Flash
Intelligence Index60.750.2
Coding Index78.070.1
GPQA Diamond93%92%
Design Arena Elo1296
Speed (tokens/sec)49
Latency1.2s
Input price /M$5.00$1.50
Output price /M$25.00$9.00
Context window1M1.0M
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVisionAudio

Frequently asked

Is Claude Opus 5 better than Google: 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.

What are the biggest differences between Claude Opus 5 and Google: Gemini 3.5 Flash?

The table on this page compares Claude Opus 5 and Google: Gemini 3.5 Flash metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.