modelgrep

Anthropic: Claude Opus 4.8 vs Google: Gemini 3.5 Flash

Google: Gemini 3.5 Flash wins on more metrics (5 of 7), but the right pick depends on what you optimize for — see the breakdown below.

MetricAnthropic: Claude Opus 4.8Google: Gemini 3.5 Flash
Intelligence Index55.750.2
Coding Index74.370.1
GPQA Diamond92%92%
Design Arena Elo12781296
Speed (tokens/sec)
Latency
Input price /M$5.00$1.50
Output price /M$25.00$9.00
Context window1M1.0M
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVisionAudio

Frequently asked

Is Anthropic: Claude Opus 4.8 better than Google: Gemini 3.5 Flash?

Google: Gemini 3.5 Flash wins on more metrics (5 of 7), but the right pick depends on what you optimize for — see the breakdown below.

What are the biggest differences between Anthropic: Claude Opus 4.8 and Google: Gemini 3.5 Flash?

The table on this page compares Anthropic: Claude Opus 4.8 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.