modelgrep

Anthropic: Claude Opus 4.8 vs Google: Gemini 3.6 Flash

anthropic logoAnthropic: Claude Opus 4.8anthropic/claude-opus-4.8VSgoogle logoGoogle: Gemini 3.6 Flashgoogle/gemini-3.6-flash

Google: Gemini 3.6 Flash wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.

MetricAnthropic: Claude Opus 4.8Google: Gemini 3.6 Flash
Intelligence Index55.7✓50.1
Coding Index74.3✓69.2
GPQA Diamond92%93%✓
Design Arena Elo1275✓—
Speed (tokens/sec)—126✓
Latency—1.8s✓
Input price /M$5.00$1.50✓
Output price /M$25.00$7.50✓
Context window1M1.0M✓
CapabilitiesReasoningToolsJSONVisionReasoningToolsJSONVisionAudio
Anthropic: Claude Opus 4.8 details →Google: Gemini 3.6 Flash details →