Claude 4.5 Sonnet (Reasoning) vs Gemini 3.8 Flash (Medium)
Which is better for the money: Claude 4.5 Sonnet (Reasoning) by Anthropic or Gemini 3.8 Flash (Medium) by Google? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Gemini 3.8 Flash (Medium)
Gemini 3.8 Flash (Medium) vs Claude 4.5 Sonnet (Reasoning): 92.3% more intelligence, 26.7% less cost to run the AA benchmark, and end-to-end time not fully reported.
| Metric | Claude 4.5 Sonnet (Reasoning) | Gemini 3.8 Flash (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.7 | 39.8 | +92.3% Gemini 3.8 Flash (Med… is 92.3% more intelligent |
| Total AA cost (lower is better) | $1,501.22 | $1,100.06 | −26.7% Gemini 3.8 Flash (Med… is 26.7% cheaper |
| End-to-end time (lower is better) | 20.86s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $3.00 / $15.0 | $0.75 / $3.75 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Today's Pareto frontier
Against the frontier
- Claude 4.5 Sonnet (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Gemini 3.8 Flash (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude 4.5 Sonnet (Reasoning)Gemini 3.8 Flash (Medium)Today's Pareto frontierEvery other model
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